Entity Type
Company
Filer Snapshot
ARCH RESOURCES, INC. SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0001037676.
Total Filings
2,977
Latest Filing
15 Apr 2025
Industry
Bituminous Coal & Lignite Surface Mining
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- Open the deeper context page only when this filer actually has insider or ownership signal.
Source: SEC Schedule 13D/G
View Source Filing
SCHEDULE 13G/A filed on 15 Apr 2025 for CIK 0001037676.
- Business address
- City Place One Ste 300, Arch Mineral Corp, St Louis, MO, 63141
- State of incorporation
- DE
- Fiscal year end
- 31 December
- Former names
- ARCH COAL INC (to 05 May 2020), ARCH MINERAL CORP (to 01 Jul 1997)
Quick Takeaways
- ARCH RESOURCES, INC. is an SEC filer tracked under CIK 0001037676.
- 2,977 filings are listed on this profile.
- Common form coverage includes SCHEDULE 13G/A, 15-12G, S-8 POS and more.
What Changed
- Latest filing: SCHEDULE 13G/A filed on 15 Apr 2025.
- Report period: not specified in filing header.
Why This Matters
- You can quote filing dates and form types directly from the SEC record on this page.
- Use this profile before deeper ownership or insider analysis to confirm filing history context.
Source Evidence
Source: SEC Schedule 13D/G
View Source Filing
SCHEDULE 13G/A filed on 15 Apr 2025 for CIK 0001037676.
Return Loop
Why revisit this filer page
A newly filed SCHEDULE 13G/A can change the filing history, ownership context, or next research path for ARCH RESOURCES, INC..
- Latest source-backed update
- SCHEDULE 13G/A filed 15 Apr 2025
- Why come back
- Revisit after a new SEC filing appears to compare the updated record with prior filings.
- Latest filing on record: SCHEDULE 13G/A filed 15 Apr 2025.
- Save this filer if you want a stable place to return after the next filing cycle.
- Open the latest filing table or ownership context to verify what changed.
Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.
Latest update
What changed recently for ARCH RESOURCES, INC.
Latest financial period: Q3 2024. Open the source-backed page to inspect the fresh filing or facts context.
Update date
05 Nov 2024
Page type
Company facts
Latest period
Q3 2024
SEC-backed company facts were refreshed from filings filed on 05 Nov 2024.
Benchmark Context
Benchmark context for this company
ARCH RESOURCES, INC. has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.
Compared with
Start on the facts page for period-to-period context, then open a metric ranking when you want to compare the same reported fact across other SEC-reporting companies.
Why this is notable
Latest financial period: Q3 2024. That gives you a fresh baseline before you compare this company with peers.
- Latest company facts filing date: 05 Nov 2024.
- Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
- Open the facts page first if you want the cleanest path to verification.
Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.
Company intelligence
Research ARCH RESOURCES, INC. from filings to ownership signals
Use this company page as the hub for SEC filings, fundamentals, insider activity, large-stake holders, and institutional ownership context.
Active modules
3/5
Available company intelligence paths on this page.
Filings
2,977
SEC submissions provide the evidence trail.
Ownership context
1/3
Insider, large-stake, and institutional ownership lanes.
Return loop
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Best-of company intelligence workflow
What changed?
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Why might it matter?
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Where is evidence?
Keep SEC source documents one click away through filings, facts, insider reports, and Schedule 13D/G records.
What to watch next?
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SEC-verifiable company research path
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SEC filings
AvailableLatest company filings
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Company facts
AvailableFinancial context
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Forms 3/4/5
AvailableInsider activity
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Schedule 13D/G
ExploreLarge-stake holders
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Form 13F
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SEC-verifiable company hub
The strongest research path is the one that keeps source documents close: filings first, then ownership signals, insider context, and fundamentals.
Watchlist return triggers
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new company filing
insider Form 4
13D/G holder change
13F holder update
Filer Overview
ARCH RESOURCES, INC. has filed 2,977 SEC EDGAR filings since 14 Apr 1997. Common forms include SCHEDULE 13G/A, 15-12G, S-8 POS, 8-K and more.
Latest Filings
Recent SEC filings for ARCH RESOURCES, INC. with direct links to document and filing folders.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 15 Apr 2025 | 005-51233 | ||
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 07 Feb 2025 | 005-51233 | ||
| 15-12G | Open 15-12G document | View SEC filing for 15-12G | 15-12G | 24 Jan 2025 | 001-13105 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 15 Jan 2025 | 333-214373 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 15 Jan 2025 | 333-112537 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 15 Jan 2025 | 333-193169 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 15 Jan 2025 | 333-112536 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 15 Jan 2025 | 333-191071 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 15 Jan 2025 | 333-68131 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 15 Jan 2025 | 333-147459 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 15 Jan 2025 | 333-30565 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 15 Jan 2025 | 333-127548 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 Jan 2025 | 13 Jan 2025 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 14 Jan 2025 | 14 Jan 2025 | |
| 25-NSE | Open 25-NSE document | View SEC filing for 25-NSE | 14 Jan 2025 | 001-13105 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 10 Jan 2025 | 09 Jan 2025 | 001-13105 |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 03 Jan 2025 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 03 Jan 2025 | 001-13105 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 03 Jan 2025 | 03 Jan 2025 | 001-13105 |
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 06 Dec 2024 | 005-51233 | ||
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Nov 2024 | 26 Nov 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Nov 2024 | 26 Nov 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Nov 2024 | 26 Nov 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Nov 2024 | 26 Nov 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Nov 2024 | 26 Nov 2024 | |
| DEFM14A | Open DEFM14A document | View SEC filing for DEFM14A | DEFM14A | 26 Nov 2024 | 001-13105 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 07 Nov 2024 | 001-13105 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 07 Nov 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 06 Nov 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 06 Nov 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 05 Nov 2024 | 001-13105 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 Nov 2024 | 30 Sep 2024 | 001-13105 |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 05 Nov 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 05 Nov 2024 | 001-13105 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 05 Nov 2024 | 05 Nov 2024 | 001-13105 |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 01 Nov 2024 | |||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SEC SCHEDULE 13G | 31 Oct 2024 | 005-51233 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 25 Oct 2024 | 001-13105 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 16 Oct 2024 | 005-51233 | ||
| 4 | Open 4 document | View SEC filing for 4 | 4 | 15 Oct 2024 | 13 Oct 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 15 Oct 2024 | 13 Oct 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 15 Oct 2024 | 13 Oct 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 15 Oct 2024 | 13 Oct 2024 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 15 Oct 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 15 Oct 2024 | 001-13105 | |
| 144 | Open 144 document | View SEC filing for 144 | 15 Oct 2024 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 15 Oct 2024 | 001-13105 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 Oct 2024 | 14 Oct 2024 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 16 Sep 2024 | 13 Sep 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 16 Sep 2024 | 13 Sep 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 16 Sep 2024 | 13 Sep 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 16 Sep 2024 | 13 Sep 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 16 Sep 2024 | 13 Sep 2024 | |
| SD | Open SD document | Open XBRL data | View SEC filing for SD | SD | 10 Sep 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 03 Sep 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 26 Aug 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 22 Aug 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Aug 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Aug 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Aug 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Aug 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Aug 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Aug 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Aug 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Aug 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Aug 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Aug 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Aug 2024 | 001-13105 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Aug 2024 | 001-13105 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 21 Aug 2024 | 20 Aug 2024 | 001-13105 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 25 Jul 2024 | 30 Jun 2024 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 25 Jul 2024 | 25 Jul 2024 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 17 Jun 2024 | 14 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 17 Jun 2024 | 14 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 17 Jun 2024 | 14 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 17 Jun 2024 | 14 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 17 Jun 2024 | 14 Jun 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 09 May 2024 | 07 May 2024 | 001-13105 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 25 Apr 2024 | 31 Mar 2024 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 25 Apr 2024 | 25 Apr 2024 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 05 Apr 2024 | 005-51233 | ||
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 27 Mar 2024 | 001-13105 | |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | FORM DEF 14A | 27 Mar 2024 | 07 May 2024 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 21 Mar 2024 | 19 Mar 2024 | |
| 3 | Open 3 document | View SEC filing for 3 | 3 | 19 Mar 2024 | 19 Mar 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 19 Mar 2024 | 19 Mar 2024 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 18 Mar 2024 | 15 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 18 Mar 2024 | 15 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 18 Mar 2024 | 15 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 18 Mar 2024 | 15 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 18 Mar 2024 | 15 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 13 Mar 2024 | 13 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 11 Mar 2024 | 08 Mar 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 08 Mar 2024 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 08 Mar 2024 | 001-13105 | ||
| 4 | Open 4 document | View SEC filing for 4 | 4 | 08 Mar 2024 | 07 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 08 Mar 2024 | 07 Mar 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 07 Mar 2024 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 07 Mar 2024 | 001-13105 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 06 Mar 2024 | 06 Mar 2024 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 05 Mar 2024 | 04 Mar 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 04 Mar 2024 | 001-13105 | ||
| 4 | Open 4 document | View SEC filing for 4 | 4 | 28 Feb 2024 | 27 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 28 Feb 2024 | 27 Feb 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 27 Feb 2024 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 27 Feb 2024 | 001-13105 | ||
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Feb 2024 | 25 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Feb 2024 | 25 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Feb 2024 | 25 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Feb 2024 | 25 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Feb 2024 | 25 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Feb 2024 | 25 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Feb 2024 | 25 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Feb 2024 | 25 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 27 Feb 2024 | 25 Feb 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 26 Feb 2024 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 26 Feb 2024 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 26 Feb 2024 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 26 Feb 2024 | 001-13105 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 26 Feb 2024 | 26 Feb 2024 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Feb 2024 | 21 Feb 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 22 Feb 2024 | 21 Feb 2024 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 20 Feb 2024 | 16 Feb 2024 | 001-13105 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 15 Feb 2024 | 31 Dec 2023 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 Feb 2024 | 15 Feb 2024 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 13 Feb 2024 | 09 Feb 2024 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 13 Feb 2024 | 005-51233 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 13 Feb 2024 | 09 Feb 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 13 Feb 2024 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 13 Feb 2024 | 001-13105 | ||
| 4 | Open 4 document | View SEC filing for 4 | 4 | 13 Feb 2024 | 09 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 13 Feb 2024 | 09 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 13 Feb 2024 | 09 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 13 Feb 2024 | 09 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 13 Feb 2024 | 09 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 13 Feb 2024 | 09 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 13 Feb 2024 | 09 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 13 Feb 2024 | 09 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | 4 | 13 Feb 2024 | 09 Feb 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 12 Feb 2024 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 12 Feb 2024 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 09 Feb 2024 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 09 Feb 2024 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 09 Feb 2024 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 09 Feb 2024 | 001-13105 | ||
| 4 | Open 4 document | View SEC filing for 4 | 4 | 02 Feb 2024 | 01 Feb 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 01 Feb 2024 | 001-13105 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 26 Jan 2024 | 005-51233 | ||
| 4 | Open 4 document | View SEC filing for 4 | 4 | 22 Jan 2024 | 19 Jan 2024 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 22 Jan 2024 | 005-51233 | ||
| 144 | Open 144 document | View SEC filing for 144 | 19 Jan 2024 | 001-13105 | ||
| 4 | Open 4 document | View SEC filing for 4 | 4 | 08 Jan 2024 | 04 Jan 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 04 Jan 2024 | 001-13105 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Dec 2023 | 15 Dec 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Dec 2023 | 15 Dec 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Dec 2023 | 15 Dec 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Dec 2023 | 15 Dec 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 01 Dec 2023 | 001-13105 | ||
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A SUBMISSION | 01 Dec 2023 | 01 Dec 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Dec 2023 | 01 Dec 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Nov 2023 | 24 Nov 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 24 Nov 2023 | 001-13105 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 26 Oct 2023 | 30 Sep 2023 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 26 Oct 2023 | 26 Oct 2023 | 001-13105 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | ARCH_AZVALOR | 23 Oct 2023 | 005-51233 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Oct 2023 | 13 Oct 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Oct 2023 | 13 Oct 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Oct 2023 | 13 Oct 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Oct 2023 | 13 Oct 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Oct 2023 | 13 Oct 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Oct 2023 | 13 Oct 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Oct 2023 | 13 Oct 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Oct 2023 | 13 Oct 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 16 Oct 2023 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 16 Oct 2023 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 13 Oct 2023 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 13 Oct 2023 | 001-13105 | ||
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A SUBMISSION | 03 Oct 2023 | 29 Sep 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Oct 2023 | 29 Sep 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 02 Oct 2023 | 02 Oct 2023 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2023 | 28 Sep 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 28 Sep 2023 | 001-13105 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Sep 2023 | 15 Sep 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Sep 2023 | 15 Sep 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Sep 2023 | 15 Sep 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Sep 2023 | 15 Sep 2023 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Sep 2023 | 005-51233 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | AZVALOR_ARCH | 07 Aug 2023 | 005-51233 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 27 Jul 2023 | 30 Jun 2023 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 27 Jul 2023 | 27 Jul 2023 | 001-13105 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 24 Jul 2023 | 21 Jul 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 24 Jul 2023 | 21 Jul 2023 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Jun 2023 | 15 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Jun 2023 | 15 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Jun 2023 | 15 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Jun 2023 | 15 Jun 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 16 May 2023 | 12 May 2023 | 001-13105 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 27 Apr 2023 | 31 Mar 2023 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 27 Apr 2023 | 27 Apr 2023 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | FORM SC 13G/A | 10 Apr 2023 | 005-51233 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 31 Mar 2023 | 001-13105 | |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | DEF 14A | 31 Mar 2023 | 001-13105 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Mar 2023 | 15 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Mar 2023 | 15 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Mar 2023 | 15 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Mar 2023 | 15 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 06 Mar 2023 | 03 Mar 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 03 Mar 2023 | 001-13105 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2023 | 25 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2023 | 25 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2023 | 25 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2023 | 25 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2023 | 25 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2023 | 25 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2023 | 25 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2023 | 25 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2023 | 25 Feb 2023 | |
| 144 | Open 144 document | View SEC filing for 144 | 27 Feb 2023 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 27 Feb 2023 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 27 Feb 2023 | 001-13105 | ||
| 144 | Open 144 document | View SEC filing for 144 | 27 Feb 2023 | 001-13105 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Feb 2023 | 16 Feb 2023 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 16 Feb 2023 | 31 Dec 2022 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 16 Feb 2023 | 16 Feb 2023 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2023 | 005-51233 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2023 | 005-51233 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2023 | 09 Feb 2023 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | FORM SC 13G | 13 Feb 2023 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 09 Feb 2023 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 09 Feb 2023 | 005-51233 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | MS AMENDMENT | 08 Feb 2023 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 06 Feb 2023 | 005-51233 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 01 Feb 2023 | 005-51233 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 16 Dec 2022 | 12 Dec 2022 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 15 Dec 2022 | 15 Dec 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 15 Dec 2022 | 15 Dec 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 15 Dec 2022 | 15 Dec 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 15 Dec 2022 | 15 Dec 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 30 Nov 2022 | 30 Nov 2022 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Nov 2022 | 005-51233 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 27 Oct 2022 | 30 Sep 2022 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 27 Oct 2022 | 27 Oct 2022 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Oct 2022 | 13 Oct 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Oct 2022 | 13 Oct 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Oct 2022 | 13 Oct 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Oct 2022 | 13 Oct 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Oct 2022 | 13 Oct 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Oct 2022 | 13 Oct 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Oct 2022 | 13 Oct 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Oct 2022 | 13 Oct 2022 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A SUBMISSION | 17 Oct 2022 | 25 Feb 2022 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A SUBMISSION | 17 Oct 2022 | 25 Oct 2021 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A SUBMISSION | 17 Oct 2022 | 27 Feb 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 23 Sep 2022 | 20 Sep 2022 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 19 Sep 2022 | 15 Sep 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 19 Sep 2022 | 15 Sep 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 19 Sep 2022 | 15 Sep 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 19 Sep 2022 | 15 Sep 2022 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 10 Aug 2022 | 005-51233 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Aug 2022 | 01 Aug 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Aug 2022 | 01 Aug 2022 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 28 Jul 2022 | 30 Jun 2022 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 28 Jul 2022 | 28 Jul 2022 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Jun 2022 | 15 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Jun 2022 | 15 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Jun 2022 | 15 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Jun 2022 | 15 Jun 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 26 May 2022 | 25 May 2022 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 23 May 2022 | 18 May 2022 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 16 May 2022 | 13 May 2022 | 001-13105 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | AZVALOR_ARCH | 13 May 2022 | 005-51233 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 26 Apr 2022 | 31 Mar 2022 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 26 Apr 2022 | 26 Apr 2022 | 001-13105 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 30 Mar 2022 | 001-13105 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 30 Mar 2022 | 13 May 2022 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 09 Mar 2022 | 09 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Mar 2022 | 04 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Mar 2022 | 25 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Mar 2022 | 25 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Mar 2022 | 25 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Mar 2022 | 25 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Mar 2022 | 25 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Mar 2022 | 25 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Mar 2022 | 25 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Mar 2022 | 25 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Mar 2022 | 25 Feb 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 28 Feb 2022 | 28 Feb 2022 | 001-13105 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 16 Feb 2022 | 31 Dec 2021 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 Feb 2022 | 15 Feb 2022 | 001-13105 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | MAPLE ROCK CAPITAL PARTNERS INC. | 14 Feb 2022 | 005-51233 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Feb 2022 | 10 Feb 2022 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Feb 2022 | 005-51233 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | MS AMENDMENT | 10 Feb 2022 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ARCH RESOURCES, INC. | 10 Feb 2022 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 09 Feb 2022 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 08 Feb 2022 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 03 Feb 2022 | 005-51233 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 31 Jan 2022 | 005-51233 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | AZVALOR_ARCH | 10 Jan 2022 | 005-51233 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 05 Jan 2022 | 03 Jan 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 03 Jan 2022 | 03 Jan 2022 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Nov 2021 | 005-51233 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A SUBMISSION | 27 Oct 2021 | 25 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2021 | 25 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2021 | 25 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2021 | 25 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2021 | 25 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2021 | 25 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2021 | 25 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2021 | 25 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2021 | 25 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2021 | 25 Oct 2021 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 26 Oct 2021 | 30 Sep 2021 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 26 Oct 2021 | 26 Oct 2021 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Oct 2021 | 13 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Oct 2021 | 13 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Oct 2021 | 13 Oct 2021 | |
| 3/A | Open 3/A document | View SEC filing for 3/A | FORM 3/A SUBMISSION | 14 Oct 2021 | 25 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Oct 2021 | 13 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Oct 2021 | 13 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Oct 2021 | 13 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Oct 2021 | 13 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 Oct 2021 | 13 Oct 2021 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 12 Oct 2021 | 005-51233 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 09 Sep 2021 | 09 Sep 2021 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 25 Aug 2021 | 25 Aug 2021 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 27 Jul 2021 | 30 Jun 2021 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 27 Jul 2021 | 27 Jul 2021 | 001-13105 |
| APP WDG | Open APP WDG document | View SEC filing for APP WDG | 25 May 2021 | 812-15085 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 06 May 2021 | 06 May 2021 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 30 Apr 2021 | 29 Apr 2021 | 001-13105 |
| APP WD | Open APP WD document | View SEC filing for APP WD | APP WD | 30 Apr 2021 | 812-15085 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 22 Apr 2021 | 31 Mar 2021 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 22 Apr 2021 | 22 Apr 2021 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 12 Apr 2021 | 005-51233 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | ARCH_AZVALOR | 29 Mar 2021 | 005-51233 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 15 Mar 2021 | 001-13105 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 15 Mar 2021 | 29 Apr 2021 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2021 | 27 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2021 | 27 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2021 | 27 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2021 | 27 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2021 | 27 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2021 | 27 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2021 | 27 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2021 | 27 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2021 | 27 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2021 | 25 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Feb 2021 | 22 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Feb 2021 | 22 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Feb 2021 | 22 Feb 2021 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A SUBMISSION | 24 Feb 2021 | 23 Feb 2020 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SC 13G | 17 Feb 2021 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 16 Feb 2021 | 005-51233 | ||
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 12 Feb 2021 | 31 Dec 2020 | 001-13105 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SEC SCHEDULE 13G | 12 Feb 2021 | 005-51233 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Feb 2021 | 11 Feb 2021 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 11 Feb 2021 | 005-51233 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ARCH RESOURCES, INC. | 11 Feb 2021 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | MS AMENDMENT | 10 Feb 2021 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Feb 2021 | 005-51233 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 09 Feb 2021 | 09 Feb 2021 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 29 Jan 2021 | 005-51233 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Dec 2020 | 30 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Dec 2020 | 30 Nov 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 Nov 2020 | 03 Nov 2020 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 03 Nov 2020 | 29 Oct 2020 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 30 Oct 2020 | 29 Oct 2020 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 29 Oct 2020 | 28 Oct 2020 | 001-13105 |
| 3/A | Open 3/A document | View SEC filing for 3/A | FORM 3/A SUBMISSION | 27 Oct 2020 | 30 Apr 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2020 | 25 Oct 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2020 | 25 Oct 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2020 | 25 Oct 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2020 | 25 Oct 2020 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 23 Oct 2020 | 30 Sep 2020 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 22 Oct 2020 | 22 Oct 2020 | 001-13105 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 14 Oct 2020 | 13 Oct 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 14 Oct 2020 | 13 Oct 2020 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 07 Oct 2020 | 05 Oct 2020 | 001-13105 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | MS INITIAL | 05 Oct 2020 | 005-51233 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 29 Sep 2020 | 29 Sep 2020 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 02 Sep 2020 | 02 Sep 2020 | 001-13105 |
| 40-APP/A | Open 40-APP/A document | View SEC filing for 40-APP/A | 40-APP/A | 17 Aug 2020 | 812-15085 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | MS AMENDMENT | 10 Aug 2020 | 005-51233 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 28 Jul 2020 | 30 Jun 2020 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 28 Jul 2020 | 28 Jul 2020 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 06 Jul 2020 | 06 Jul 2020 | 001-13105 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | ARCH RESOURCES, INC. | 22 May 2020 | 005-51233 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 19 May 2020 | 18 May 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 May 2020 | 15 May 2020 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 05 May 2020 | 30 Apr 2020 | 001-13105 |
| 40-APP/A | Open 40-APP/A document | View SEC filing for 40-APP/A | 40-APP/A | 05 May 2020 | 812-15085 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 01 May 2020 | 01 May 2020 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 30 Apr 2020 | 30 Apr 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 30 Apr 2020 | 30 Apr 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 30 Apr 2020 | 30 Apr 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 30 Apr 2020 | 30 Apr 2020 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 23 Apr 2020 | 31 Mar 2020 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 23 Apr 2020 | 23 Apr 2020 | 001-13105 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | MS INITIAL | 21 Apr 2020 | 005-51233 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 15 Apr 2020 | 001-13105 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 Apr 2020 | 15 Apr 2020 | 001-13105 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 08 Apr 2020 | 001-13105 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 24 Mar 2020 | 24 Mar 2020 | 001-13105 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 16 Mar 2020 | 001-13105 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 16 Mar 2020 | 30 Apr 2020 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 05 Mar 2020 | 04 Mar 2020 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2020 | 27 Feb 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 28 Feb 2020 | 27 Feb 2020 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 26 Feb 2020 | 26 Feb 2020 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Feb 2020 | 23 Feb 2020 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SC 13G | 21 Feb 2020 | 005-51233 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SC 13G | 14 Feb 2020 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2020 | 005-51233 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ARCH COAL, INC. | 13 Feb 2020 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 12 Feb 2020 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 12 Feb 2020 | 005-51233 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 11 Feb 2020 | 31 Dec 2019 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 06 Feb 2020 | 06 Feb 2020 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 05 Feb 2020 | 005-51233 | ||
| 40-APP | Open 40-APP document | View SEC filing for 40-APP | 40-APP | 20 Dec 2019 | 812-15085 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 18 Dec 2019 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 16 Dec 2019 | |||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Dec 2019 | 13 Dec 2019 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 10 Dec 2019 | 005-51233 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 10 Dec 2019 | 005-51233 | ||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 05 Dec 2019 | |||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2019 | 23 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2019 | 23 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2019 | 23 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2019 | 23 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2019 | 23 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2019 | 23 Nov 2019 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 Nov 2019 | 15 Nov 2019 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2019 | 25 Oct 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2019 | 25 Oct 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2019 | 25 Oct 2019 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 28 Oct 2019 | 23 Oct 2019 | 001-13105 |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SCHEDULE 13D (AMENDMENT NO. 8) | 24 Oct 2019 | 005-51233 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 22 Oct 2019 | 30 Sep 2019 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 22 Oct 2019 | 22 Oct 2019 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 17 Sep 2019 | 17 Sep 2019 | 001-13105 |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SCHEDULE 13D (AMENDMENT NO. 7) | 13 Sep 2019 | 005-51233 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SC 13G | 09 Aug 2019 | 005-51233 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A SUBMISSION | 08 Aug 2019 | 26 Apr 2019 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 06 Aug 2019 | 06 Aug 2019 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Aug 2019 | 02 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Aug 2019 | 02 Aug 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Aug 2019 | 01 Aug 2019 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 24 Jul 2019 | 30 Jun 2019 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 24 Jul 2019 | 24 Jul 2019 | 001-13105 |
| 8-K/A | Open 8-K/A document | View SEC filing for 8-K/A | 8-K/A | 19 Jun 2019 | 18 Jun 2019 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 19 Jun 2019 | 18 Jun 2019 | 001-13105 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | ARCH COAL, INC. | 14 Jun 2019 | 005-51233 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SEC SCHEDULE 13G | 10 Jun 2019 | 005-51233 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 23 May 2019 | 23 May 2019 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 06 May 2019 | 02 May 2019 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Apr 2019 | 26 Apr 2019 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 23 Apr 2019 | 31 Mar 2019 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 23 Apr 2019 | 23 Apr 2019 | 001-13105 |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SCHEDULE 13D (AMENDMENT NO. 6) | 18 Mar 2019 | 005-51233 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 18 Mar 2019 | 001-13105 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 18 Mar 2019 | 02 May 2019 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Mar 2019 | 28 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Mar 2019 | 28 Feb 2019 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 04 Mar 2019 | 28 Feb 2019 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 04 Mar 2019 | 28 Feb 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 01 Mar 2019 | 28 Feb 2019 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 26 Feb 2019 | 26 Feb 2019 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 22 Feb 2019 | 21 Feb 2019 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 14 Feb 2019 | 31 Dec 2018 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 14 Feb 2019 | 14 Feb 2019 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Feb 2019 | 005-51233 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 08 Feb 2019 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 04 Feb 2019 | 005-51233 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Jan 2019 | 005-51233 | ||
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 07 Jan 2019 | 01 Jan 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 02 Jan 2019 | 31 Dec 2018 | 001-13105 |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SCHEDULE 13D (AMENDMENT NO. 5) | 18 Dec 2018 | 005-51233 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 06 Dec 2018 | 04 Dec 2018 | |
| SC 13D | Open SC 13D document | View SEC filing for SC 13D | SCHEDULE 13D | 03 Dec 2018 | 005-51233 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2018 | 23 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2018 | 23 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2018 | 23 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2018 | 23 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2018 | 23 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2018 | 23 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2018 | 23 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2018 | 23 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2018 | 25 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2018 | 25 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2018 | 25 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2018 | 25 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2018 | 25 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2018 | 25 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2018 | 25 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2018 | 25 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2018 | 25 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2018 | 25 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2018 | 25 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2018 | 25 Oct 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Oct 2018 | 25 Oct 2018 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 23 Oct 2018 | 30 Sep 2018 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 23 Oct 2018 | 23 Oct 2018 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 13 Sep 2018 | 12 Sep 2018 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 Aug 2018 | 08 Aug 2018 | 001-13105 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 31 Jul 2018 | 30 Jun 2018 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 31 Jul 2018 | 31 Jul 2018 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 16 May 2018 | 16 May 2018 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 May 2018 | 30 Apr 2018 | 001-13105 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 26 Apr 2018 | 31 Mar 2018 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 26 Apr 2018 | 26 Apr 2018 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 Apr 2018 | 03 Apr 2018 | 001-13105 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 19 Mar 2018 | 001-13105 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 19 Mar 2018 | 30 Apr 2018 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 13 Mar 2018 | 13 Mar 2018 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 23 Feb 2018 | 22 Feb 2018 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 23 Feb 2018 | 31 Dec 2017 | 001-13105 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 20 Feb 2018 | |||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2018 | 005-51233 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 13 Feb 2018 | 13 Feb 2018 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 12 Feb 2018 | 005-51233 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | FORM13G | 05 Feb 2018 | 005-51233 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 02 Feb 2018 | |||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 01 Feb 2018 | 005-51233 | ||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 30 Jan 2018 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 09 Jan 2018 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 21 Dec 2017 | |||
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SCHEDULE 13D/A, #3 | 12 Dec 2017 | 005-51233 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 12 Dec 2017 | 08 Dec 2017 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 11 Dec 2017 | |||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 11 Dec 2017 | 08 Dec 2017 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Dec 2017 | 30 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Nov 2017 | 23 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Nov 2017 | 23 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Nov 2017 | 23 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Nov 2017 | 23 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Nov 2017 | 23 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Nov 2017 | 23 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Nov 2017 | 23 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Nov 2017 | 23 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Nov 2017 | 23 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Nov 2017 | 23 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Nov 2017 | 23 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Nov 2017 | 23 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Nov 2017 | 23 Nov 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 07 Nov 2017 | 07 Nov 2017 | 001-13105 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 31 Oct 2017 | 30 Sep 2017 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 31 Oct 2017 | 31 Oct 2017 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 25 Sep 2017 | 25 Sep 2017 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 19 Sep 2017 | 13 Sep 2017 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 15 Sep 2017 | 13 Sep 2017 | |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | AMENDMENT NO. 2 | 15 Sep 2017 | 005-51233 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 Aug 2017 | 08 Aug 2017 | 001-13105 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 27 Jul 2017 | 30 Jun 2017 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 27 Jul 2017 | 27 Jul 2017 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 09 May 2017 | 04 May 2017 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 May 2017 | 08 May 2017 | 001-13105 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 02 May 2017 | 31 Mar 2017 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 02 May 2017 | 27 Apr 2017 | 001-13105 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 22 Mar 2017 | 001-13105 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 22 Mar 2017 | 001-13105 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 22 Mar 2017 | 04 May 2017 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 Mar 2017 | 07 Mar 2017 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Mar 2017 | 03 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Mar 2017 | 03 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Mar 2017 | 03 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Mar 2017 | 03 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Mar 2017 | 03 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Mar 2017 | 03 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Mar 2017 | 03 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Mar 2017 | 03 Mar 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 28 Feb 2017 | 28 Feb 2017 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Feb 2017 | 23 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Feb 2017 | 23 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Feb 2017 | 23 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Feb 2017 | 23 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Feb 2017 | 23 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Feb 2017 | 23 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Feb 2017 | 23 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Feb 2017 | 23 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Feb 2017 | 23 Feb 2017 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 24 Feb 2017 | 31 Dec 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 16 Feb 2017 | 15 Feb 2017 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13G | 14 Feb 2017 | 005-51233 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 09 Feb 2017 | 005-51233 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 Feb 2017 | 08 Feb 2017 | 001-13105 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 06 Feb 2017 | 005-51233 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G | 26 Jan 2017 | 005-51233 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 30 Nov 2016 | 23 Nov 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 30 Nov 2016 | 30 Nov 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 30 Nov 2016 | 30 Nov 2016 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2016 | 23 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2016 | 23 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2016 | 23 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2016 | 23 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2016 | 23 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2016 | 23 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2016 | 23 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2016 | 23 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2016 | 23 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2016 | 23 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2016 | 23 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2016 | 23 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2016 | 23 Nov 2016 | |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | AMENDMENT NO. 1 | 22 Nov 2016 | 005-51233 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 21 Nov 2016 | 17 Nov 2016 | 001-13105 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | FORM SC 13G | 10 Nov 2016 | 005-51233 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 09 Nov 2016 | 30 Sep 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 09 Nov 2016 | 09 Nov 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 03 Nov 2016 | 01 Nov 2016 | 001-13105 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | FORM S-8 | 01 Nov 2016 | 333-214373 | |
| SC 13D | Open SC 13D document | View SEC filing for SC 13D | SCHEDULE 13D | 17 Oct 2016 | 005-51233 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 11 Oct 2016 | 05 Oct 2016 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 06 Oct 2016 | 05 Oct 2016 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 06 Oct 2016 | 05 Oct 2016 | |
| 15-12B | Open 15-12B document | View SEC filing for 15-12B | 15-12B | 06 Oct 2016 | 001-13105 | |
| CERTNYS | Open CERTNYS document | View SEC filing for CERTNYS | AUTO-GENERATED PAPER DOCUMENT | 04 Oct 2016 | 001-13105 | |
| 8-A12B | Open 8-A12B document | View SEC filing for 8-A12B | 8-A12B | 04 Oct 2016 | 001-13105 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 Oct 2016 | 28 Sep 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 30 Sep 2016 | 30 Sep 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 15 Sep 2016 | 13 Sep 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 Sep 2016 | 06 Sep 2016 | 001-13105 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 09 Aug 2016 | 30 Jun 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 22 Jul 2016 | 20 Jul 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 05 Jul 2016 | 05 Jul 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 28 Jun 2016 | 23 Jun 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 16 Jun 2016 | 10 Jun 2016 | 001-13105 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 10 May 2016 | 31 Mar 2016 | 001-13105 |
| 10-K/A | Open 10-K/A document | View SEC filing for 10-K/A | 10-K/A | 29 Apr 2016 | 31 Dec 2015 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 28 Apr 2016 | 26 Apr 2016 | 001-13105 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 15 Apr 2016 | 15 Apr 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 29 Mar 2016 | 28 Mar 2016 | 001-13105 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 15 Mar 2016 | 31 Dec 2015 | 001-13105 |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 10 Mar 2016 | 333-32777 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 10 Mar 2016 | 333-156593 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | S-8 POS | 10 Mar 2016 | 333-190861 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 Mar 2016 | 04 Mar 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 02 Mar 2016 | 25 Feb 2016 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ARCH COAL, INC. | 22 Feb 2016 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHNEIDER CAPITAL MANAGEMENT SCHEDULE 13G/A | 12 Feb 2016 | 005-51233 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | ARCH COAL, INC. | 11 Feb 2016 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2016 | 005-51233 | ||
| 25-NSE | Open 25-NSE document | View SEC filing for 25-NSE | 29 Jan 2016 | 001-13105 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 22 Jan 2016 | 21 Jan 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 19 Jan 2016 | 13 Jan 2016 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jan 2016 | 08 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jan 2016 | 08 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jan 2016 | 08 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jan 2016 | 08 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jan 2016 | 08 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jan 2016 | 08 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jan 2016 | 08 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jan 2016 | 08 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jan 2016 | 08 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jan 2016 | 08 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jan 2016 | 08 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jan 2016 | 08 Jan 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 11 Jan 2016 | 11 Jan 2016 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 11 Jan 2016 | 10 Jan 2016 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Jan 2016 | 06 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Dec 2015 | 17 Dec 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Dec 2015 | 17 Dec 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 15 Dec 2015 | 15 Dec 2015 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 10 Dec 2015 | 04 Dec 2015 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Dec 2015 | 09 Dec 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Dec 2015 | 09 Dec 2015 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 09 Nov 2015 | 30 Sep 2015 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 09 Nov 2015 | 09 Nov 2015 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2015 | 26 Oct 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Oct 2015 | 26 Oct 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 27 Oct 2015 | 26 Oct 2015 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Oct 2015 | 30 Sep 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Oct 2015 | 30 Sep 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 24 Sep 2015 | 23 Sep 2015 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 11 Sep 2015 | 10 Sep 2015 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 31 Aug 2015 | 28 Aug 2015 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 11 Aug 2015 | 10 Aug 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 04 Aug 2015 | 03 Aug 2015 | 001-13105 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 31 Jul 2015 | 30 Jun 2015 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 30 Jul 2015 | 30 Jul 2015 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 29 Jul 2015 | 28 Jul 2015 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 20 Jul 2015 | 20 Jul 2015 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 17 Jul 2015 | 16 Jul 2015 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Jul 2015 | 005-51233 | ||
| T-3/A | Open T-3/A document | View SEC filing for T-3/A | PRE-EFFECTIVE AMENDMENT | 09 Jul 2015 | 022-29010 | |
| T-3 | Open T-3 document | View SEC filing for T-3 | T-3 | 06 Jul 2015 | 022-29010 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 02 Jul 2015 | 01 Jul 2015 | 001-13105 |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 29 Jun 2015 | 31 Dec 2014 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 26 Jun 2015 | 22 Jun 2015 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Jun 2015 | 01 Jun 2015 | |
| SD | Open SD document | View SEC filing for SD | SD | 01 Jun 2015 | 001-13105 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 22 May 2015 | 21 May 2015 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 06 May 2015 | 04 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 06 May 2015 | 04 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 06 May 2015 | 04 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 06 May 2015 | 04 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 06 May 2015 | 04 May 2015 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 30 Apr 2015 | 31 Mar 2015 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2015 | 24 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2015 | 24 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2015 | 24 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2015 | 24 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2015 | 24 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2015 | 26 Apr 2015 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 28 Apr 2015 | |||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2015 | 28 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2015 | 26 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2015 | 24 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2015 | 24 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2015 | 24 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2015 | 24 Apr 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 24 Apr 2015 | 23 Apr 2015 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Apr 2015 | 23 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Apr 2015 | 23 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Apr 2015 | 23 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Apr 2015 | 23 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Apr 2015 | 23 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Apr 2015 | 23 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Apr 2015 | 23 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Apr 2015 | 23 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Apr 2015 | 23 Apr 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Apr 2015 | 23 Apr 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 23 Apr 2015 | 23 Apr 2015 | 001-13105 |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 21 Apr 2015 | |||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 21 Apr 2015 | 21 Apr 2015 | 001-13105 |
| PX14A6G | Open PX14A6G document | View SEC filing for PX14A6G | CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM PX14A6G 4-17-2015 (ARCH COAL INC) | 17 Apr 2015 | 001-13105 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Apr 2015 | 15 Apr 2015 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 13 Apr 2015 | |||
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 10 Apr 2015 | 001-13105 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 07 Apr 2015 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 31 Mar 2015 | |||
| ARS | Open ARS document | View SEC filing for ARS | AUTO-GENERATED PAPER DOCUMENT | 24 Mar 2015 | 31 Dec 2014 | 001-13105 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 20 Mar 2015 | 23 Apr 2015 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2015 | 26 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2015 | 26 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2015 | 26 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2015 | 26 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2015 | 26 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2015 | 26 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2015 | 26 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2015 | 26 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Mar 2015 | 26 Feb 2015 | |
| PRE 14A | Open PRE 14A document | View SEC filing for PRE 14A | PRE 14A | 27 Feb 2015 | 23 Apr 2015 | 001-13105 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 27 Feb 2015 | 31 Dec 2014 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 27 Feb 2015 | 26 Feb 2015 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Feb 2015 | 25 Feb 2015 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 27 Feb 2015 | 25 Feb 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 26 Feb 2015 | 25 Feb 2015 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 25 Feb 2015 | 23 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 25 Feb 2015 | 23 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 25 Feb 2015 | 23 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 25 Feb 2015 | 23 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 25 Feb 2015 | 23 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 25 Feb 2015 | 23 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 25 Feb 2015 | 23 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 25 Feb 2015 | 23 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 25 Feb 2015 | 23 Feb 2015 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SC 13G/A | 17 Feb 2015 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ARCH COAL INC. SCHEDULE 13G/A | 13 Feb 2015 | 005-51233 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Feb 2015 | 11 Feb 2015 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ACI | 11 Feb 2015 | 005-51233 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2015 | 005-51233 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 Feb 2015 | 03 Feb 2015 | 001-13105 |
| NO ACT | Open NO ACT document | View SEC filing for NO ACT | AUTO-GENERATED PAPER DOCUMENT | 02 Feb 2015 | 23 Dec 2014 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Jan 2015 | 23 Jan 2015 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 22 Jan 2015 | 005-51233 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 31 Dec 2014 | 29 Dec 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Dec 2014 | 24 Dec 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Dec 2014 | 23 Dec 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 22 Dec 2014 | 18 Dec 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 19 Dec 2014 | 19 Dec 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 11 Dec 2014 | 10 Dec 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Dec 2014 | 26 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Nov 2014 | 12 Nov 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 12 Nov 2014 | 10 Nov 2014 | 001-13105 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Nov 2014 | 30 Sep 2014 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 30 Oct 2014 | 29 Oct 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 28 Oct 2014 | 28 Oct 2014 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 Oct 2014 | 15 Oct 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 14 Oct 2014 | 13 Oct 2014 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Oct 2014 | 01 Oct 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Oct 2014 | 30 Sep 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Sep 2014 | 17 Sep 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Sep 2014 | 03 Sep 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 04 Sep 2014 | 03 Sep 2014 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 22 Aug 2014 | 20 Aug 2014 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 08 Aug 2014 | 30 Jun 2014 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Aug 2014 | 06 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 30 Jul 2014 | 30 Jul 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 29 Jul 2014 | 29 Jul 2014 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Jul 2014 | 23 Jul 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 21 Jul 2014 | 21 Jul 2014 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Jul 2014 | 09 Jul 2014 | |
| 11-K | Open 11-K document | View SEC filing for 11-K | 11-K | 26 Jun 2014 | 31 Dec 2013 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Jun 2014 | 25 Jun 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 19 Jun 2014 | 19 Jun 2014 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Jun 2014 | 11 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Jun 2014 | 06 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Jun 2014 | 06 Jun 2014 | |
| SD | Open SD document | View SEC filing for SD | SD | 02 Jun 2014 | 001-13105 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 May 2014 | 28 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 16 May 2014 | 14 May 2014 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 12 May 2014 | 31 Mar 2014 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 May 2014 | 30 Apr 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 29 Apr 2014 | 24 Apr 2014 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2014 | 24 Apr 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2014 | 24 Apr 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2014 | 24 Apr 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2014 | 24 Apr 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2014 | 24 Apr 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2014 | 24 Apr 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2014 | 24 Apr 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2014 | 24 Apr 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Apr 2014 | 24 Apr 2014 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 25 Apr 2014 | |||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 24 Apr 2014 | 24 Apr 2014 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 22 Apr 2014 | 22 Apr 2014 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Apr 2014 | 16 Apr 2014 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 16 Apr 2014 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 03 Apr 2014 | |||
| ARS | Open ARS document | View SEC filing for ARS | AUTO-GENERATED PAPER DOCUMENT | 18 Mar 2014 | 31 Dec 2013 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Mar 2014 | 14 Mar 2014 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 14 Mar 2014 | 001-13105 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 14 Mar 2014 | 24 Apr 2014 | 001-13105 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 13 Mar 2014 | 005-51233 | |
| 3/A | Open 3/A document | View SEC filing for 3/A | FORM 3/A SUBMISSION | 07 Mar 2014 | 03 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Mar 2014 | 03 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Mar 2014 | 03 Mar 2014 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 05 Mar 2014 | 03 Mar 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 05 Mar 2014 | 27 Feb 2014 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Mar 2014 | 27 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Mar 2014 | 27 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Mar 2014 | 27 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Mar 2014 | 27 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Mar 2014 | 27 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Mar 2014 | 27 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Mar 2014 | 27 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Mar 2014 | 27 Feb 2014 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 28 Feb 2014 | 31 Dec 2013 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2014 | 24 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Feb 2014 | 24 Feb 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 19 Feb 2014 | 19 Feb 2014 | 001-13105 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEIDER CAPITAL MANAGEMENT FORM SC 13G | 14 Feb 2014 | 005-51233 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 11 Feb 2014 | 10 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 11 Feb 2014 | 10 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 11 Feb 2014 | 10 Feb 2014 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Feb 2014 | 005-51233 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | ARCH EXIT | 05 Feb 2014 | 005-51233 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 04 Feb 2014 | 04 Feb 2014 | 001-13105 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 31 Jan 2014 | 005-51233 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 21 Jan 2014 | 21 Jan 2014 | 001-13105 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 17 Jan 2014 | 13 Jan 2014 | 001-13105 |
| S-8 | Open S-8 document | View SEC filing for S-8 | S-8 | 03 Jan 2014 | 333-193169 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Jan 2014 | 31 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Jan 2014 | 31 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Jan 2014 | 31 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Jan 2014 | 31 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Jan 2014 | 31 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Jan 2014 | 31 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Jan 2014 | 31 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Jan 2014 | 31 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 31 Dec 2013 | 30 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Dec 2013 | 26 Dec 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 17 Dec 2013 | 17 Dec 2013 | 001-13105 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Dec 2013 | 13 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Dec 2013 | 13 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Dec 2013 | 13 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Dec 2013 | 13 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Dec 2013 | 13 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Dec 2013 | 13 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Dec 2013 | 13 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Dec 2013 | 13 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Dec 2013 | 13 Dec 2013 |
About this filer
ARCH RESOURCES, INC. files with the SEC under CIK 0001037676. This page aggregates EDGAR filings and related ownership activity.
Industry: Bituminous Coal & Lignite Surface Mining.
FAQ
- What is a CIK?
- A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
- Why are some filings missing?
- New filings appear as the SEC updates EDGAR, and older records can vary by availability.
- How often is this page updated?
- Updates follow new EDGAR submissions and periodic data refreshes.