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NWPX Infrastructure, Inc. SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0001001385.
Total Filings
1,356
Latest Filing
02 Apr 2026
Industry
Steel Pipe & Tubes
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- Symbol
- NWPX on Nasdaq
- Industry
- Steel Pipe & Tubes (Office Of Manufacturing)
- Business address
- 201 Ne Park Plaza Drive, Suite 100, Vancouver, WA, 98684
- State of incorporation
- OR
- Fiscal year end
- 31 December
- Former names
- NORTHWEST PIPE CO (to 12 Jun 2025)
Quick Takeaways
- NWPX Infrastructure, Inc. is an SEC filer tracked under CIK 0001001385.
- 1,356 filings are listed on this profile.
- Common form coverage includes 4, SCHEDULE 13G/A, 3 and more.
What Changed
- Latest filing: 4 filed on 02 Apr 2026.
- Report period: 31 Mar 2026.
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.
Official SEC Source
Filer Overview
NWPX Infrastructure, Inc. has filed 1,356 SEC EDGAR filings since 08 Feb 1996. Common forms include 4, SCHEDULE 13G/A, 3, 8-K and more.
Latest Filings
Recent SEC filings for NWPX Infrastructure, Inc. with direct links to document and filing folders.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2026 | 31 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2026 | 31 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2026 | 31 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2026 | 31 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2026 | 31 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2026 | 31 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2026 | 31 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 31 Mar 2026 | 30 Mar 2026 | |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 27 Mar 2026 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 23 Mar 2026 | 23 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 23 Mar 2026 | 12 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 23 Mar 2026 | 20 Mar 2026 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 23 Mar 2026 | 12 Mar 2026 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 17 Mar 2026 | 11 Mar 2026 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Mar 2026 | 16 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Mar 2026 | 16 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Mar 2026 | 12 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Mar 2026 | 12 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Mar 2026 | 12 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Mar 2026 | 12 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Mar 2026 | 12 Mar 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Mar 2026 | 12 Mar 2026 | |
| 144 | Open 144 document | View SEC filing for 144 | 16 Mar 2026 | 000-27140 | ||
| 144 | Open 144 document | View SEC filing for 144 | 12 Mar 2026 | 000-27140 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 10 Mar 2026 | 09 Mar 2026 | |
| 144 | Open 144 document | View SEC filing for 144 | 09 Mar 2026 | 000-27140 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 06 Mar 2026 | 04 Mar 2026 | |
| 144 | Open 144 document | View SEC filing for 144 | 04 Mar 2026 | 000-27140 | ||
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 26 Feb 2026 | 31 Dec 2025 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 25 Feb 2026 | 25 Feb 2026 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 22 Jan 2026 | 15 Jan 2026 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Jan 2026 | 15 Jan 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Jan 2026 | 15 Jan 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Jan 2026 | 15 Jan 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Jan 2026 | 15 Jan 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Jan 2026 | 15 Jan 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Jan 2026 | 15 Jan 2026 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Dec 2025 | 15 Dec 2025 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 16 Dec 2025 | 10 Dec 2025 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 11 Dec 2025 | 09 Dec 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 10 Dec 2025 | 08 Dec 2025 | |
| 144 | Open 144 document | View SEC filing for 144 | 09 Dec 2025 | 000-27140 | ||
| 144 | Open 144 document | View SEC filing for 144 | 08 Dec 2025 | 000-27140 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 25 Nov 2025 | 24 Nov 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Nov 2025 | 14 Nov 2025 | |
| 144 | Open 144 document | View SEC filing for 144 | 14 Nov 2025 | 000-27140 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 13 Nov 2025 | 11 Nov 2025 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 30 Oct 2025 | 30 Sep 2025 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 29 Oct 2025 | 29 Oct 2025 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 03 Sep 2025 | 29 Aug 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 Aug 2025 | 22 Aug 2025 | |
| 144 | Open 144 document | View SEC filing for 144 | 22 Aug 2025 | 000-27140 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 19 Aug 2025 | 13 Aug 2025 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 12 Aug 2025 | 11 Aug 2025 | |
| 144 | Open 144 document | View SEC filing for 144 | 11 Aug 2025 | 000-27140 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 08 Aug 2025 | 30 Jun 2025 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 07 Aug 2025 | 07 Aug 2025 | 000-27140 |
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 22 Jul 2025 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Jun 2025 | 12 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Jun 2025 | 12 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Jun 2025 | 12 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Jun 2025 | 12 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Jun 2025 | 12 Jun 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Jun 2025 | 12 Jun 2025 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 13 Jun 2025 | 12 Jun 2025 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 12 Jun 2025 | 12 Jun 2025 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 06 Jun 2025 | 03 Jun 2025 | 000-27140 |
| SD | Open SD document | View SEC filing for SD | FORM SD | 30 May 2025 | 000-27140 | |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 15 May 2025 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 06 May 2025 | 05 May 2025 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 01 May 2025 | 31 Mar 2025 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 30 Apr 2025 | 30 Apr 2025 | 000-27140 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 30 Apr 2025 | 005-44989 | ||
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | FORM DEF 14A | 24 Apr 2025 | 31 Dec 2024 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 02 Apr 2025 | 27 Mar 2025 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2025 | 31 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2025 | 31 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2025 | 31 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2025 | 31 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2025 | 31 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2025 | 31 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 31 Mar 2025 | 27 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 31 Mar 2025 | 27 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 31 Mar 2025 | 27 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 31 Mar 2025 | 27 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 31 Mar 2025 | 27 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 31 Mar 2025 | 27 Mar 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 25 Mar 2025 | 24 Mar 2025 | |
| 144 | Open 144 document | View SEC filing for 144 | 24 Mar 2025 | 000-27140 | ||
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 27 Feb 2025 | 31 Dec 2024 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 26 Feb 2025 | 26 Feb 2025 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 13 Feb 2025 | 12 Feb 2025 | |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 05 Feb 2025 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2025 | 15 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2025 | 15 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2025 | 15 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2025 | 15 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2025 | 15 Jan 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2025 | 15 Jan 2025 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 16 Dec 2024 | 10 Dec 2024 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 13 Dec 2024 | 11 Dec 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 09 Dec 2024 | 06 Dec 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Nov 2024 | 18 Nov 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 18 Nov 2024 | 000-27140 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SC 13G | 14 Nov 2024 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 12 Nov 2024 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 04 Nov 2024 | 005-44989 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 31 Oct 2024 | 30 Sep 2024 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 30 Oct 2024 | 30 Oct 2024 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 17 Oct 2024 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 17 Oct 2024 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Oct 2024 | 15 Oct 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 15 Oct 2024 | 000-27140 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Sep 2024 | 16 Sep 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 16 Sep 2024 | 000-27140 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 06 Sep 2024 | 04 Sep 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 04 Sep 2024 | 000-27140 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 01 Aug 2024 | 30 Jun 2024 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 31 Jul 2024 | 31 Jul 2024 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jun 2024 | 13 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jun 2024 | 13 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jun 2024 | 13 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jun 2024 | 13 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jun 2024 | 13 Jun 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jun 2024 | 13 Jun 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 14 Jun 2024 | 13 Jun 2024 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 13 Jun 2024 | 13 Jun 2024 | 000-27140 |
| SD | Open SD document | View SEC filing for SD | FORM SD | 31 May 2024 | 000-27140 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 20 May 2024 | 000-27140 | ||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 16 May 2024 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 07 May 2024 | 000-27140 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 02 May 2024 | 31 Mar 2024 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 01 May 2024 | 01 May 2024 | 000-27140 |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | FORM DEF 14A | 25 Apr 2024 | 31 Dec 2023 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 03 Apr 2024 | 01 Apr 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 03 Apr 2024 | 01 Apr 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 03 Apr 2024 | 01 Apr 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 03 Apr 2024 | 01 Apr 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 03 Apr 2024 | 01 Apr 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 03 Apr 2024 | 01 Apr 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 03 Apr 2024 | 28 Mar 2024 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 01 Apr 2024 | 28 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 01 Apr 2024 | 28 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 01 Apr 2024 | 28 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 01 Apr 2024 | 28 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 01 Apr 2024 | 28 Mar 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 01 Apr 2024 | 28 Mar 2024 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 05 Mar 2024 | 31 Dec 2023 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 Mar 2024 | 04 Mar 2024 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 09 Feb 2024 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 24 Jan 2024 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 23 Jan 2024 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2024 | 15 Jan 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2024 | 15 Jan 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2024 | 15 Jan 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2024 | 15 Jan 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2024 | 15 Jan 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2024 | 15 Jan 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 19 Dec 2023 | 13 Dec 2023 | 000-27140 |
| EFFECT | Open EFFECT document | View SEC filing for EFFECT | 04 Dec 2023 | 333-275691 | ||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 29 Nov 2023 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 28 Nov 2023 | |||
| S-3 | Open S-3 document | View SEC filing for S-3 | FORM S-3 | 21 Nov 2023 | 333-275691 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 03 Nov 2023 | 30 Sep 2023 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 02 Nov 2023 | 02 Nov 2023 | 000-27140 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 03 Aug 2023 | 30 Jun 2023 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 02 Aug 2023 | 02 Aug 2023 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 07 Jul 2023 | 005-44989 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 03 Jul 2023 | 29 Jun 2023 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 Jun 2023 | 22 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 Jun 2023 | 22 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 Jun 2023 | 22 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 Jun 2023 | 22 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 Jun 2023 | 22 Jun 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 Jun 2023 | 22 Jun 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 23 Jun 2023 | 22 Jun 2023 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 22 Jun 2023 | 22 Jun 2023 | 000-27140 |
| SD | Open SD document | View SEC filing for SD | FORM SD | 31 May 2023 | 000-27140 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 04 May 2023 | 31 Mar 2023 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 03 May 2023 | 03 May 2023 | 000-27140 |
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | FORM DEF 14A | 27 Apr 2023 | 000-27140 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 21 Apr 2023 | 21 Apr 2023 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 13 Apr 2023 | 08 Apr 2023 | 000-27140 |
| 8-K/A | Open 8-K/A document | Open XBRL data | View SEC filing for 8-K/A | FORM 8-K/A | 13 Apr 2023 | 22 Feb 2023 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 11 Apr 2023 | 08 Apr 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 11 Apr 2023 | 08 Apr 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 11 Apr 2023 | 08 Apr 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 11 Apr 2023 | 08 Apr 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 11 Apr 2023 | 08 Apr 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 11 Apr 2023 | 08 Apr 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 11 Apr 2023 | 08 Apr 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Apr 2023 | 31 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Apr 2023 | 31 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Apr 2023 | 31 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Apr 2023 | 31 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Apr 2023 | 31 Mar 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Apr 2023 | 31 Mar 2023 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 16 Mar 2023 | 31 Dec 2022 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 Mar 2023 | 15 Mar 2023 | 000-27140 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 28 Feb 2023 | 22 Feb 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 28 Feb 2023 | 22 Feb 2023 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 10 Feb 2023 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 24 Jan 2023 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 24 Jan 2023 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jan 2023 | 16 Jan 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jan 2023 | 16 Jan 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jan 2023 | 16 Jan 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jan 2023 | 16 Jan 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jan 2023 | 16 Jan 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jan 2023 | 16 Jan 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 12 Dec 2022 | 06 Dec 2022 | 000-27140 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 09 Nov 2022 | 30 Sep 2022 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 08 Nov 2022 | 08 Nov 2022 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 31 Oct 2022 | 27 Oct 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Oct 2022 | 20 Oct 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Oct 2022 | 18 Oct 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Oct 2022 | 18 Oct 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 02 Sep 2022 | 02 Sep 2022 | 000-27140 |
| 424B5 | Open 424B5 document | View SEC filing for 424B5 | FORM 424B5 | 02 Sep 2022 | 333-249637 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 09 Aug 2022 | 30 Jun 2022 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 08 Aug 2022 | 08 Aug 2022 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 29 Jun 2022 | 23 Jun 2022 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 23 Jun 2022 | 16 Jun 2022 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 21 Jun 2022 | 16 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 21 Jun 2022 | 16 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 21 Jun 2022 | 16 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 21 Jun 2022 | 16 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 21 Jun 2022 | 16 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 21 Jun 2022 | 16 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jun 2022 | 16 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jun 2022 | 16 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jun 2022 | 16 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jun 2022 | 16 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jun 2022 | 15 Jun 2022 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | 16 Jun 2022 | 333-265658 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 16 Jun 2022 | 16 Jun 2022 | 000-27140 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 09 Jun 2022 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 06 Jun 2022 | 06 Jun 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 01 Jun 2022 | 31 May 2022 | |
| SD | Open SD document | View SEC filing for SD | FORM SD | 31 May 2022 | 000-27140 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 May 2022 | 23 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 May 2022 | 23 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 May 2022 | 18 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 May 2022 | 18 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 May 2022 | 16 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 12 May 2022 | 10 May 2022 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 06 May 2022 | 31 Mar 2022 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 May 2022 | 04 May 2022 | 000-27140 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 28 Apr 2022 | 16 Jun 2022 | 000-27140 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 14 Apr 2022 | 07 Apr 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 13 Apr 2022 | 07 Apr 2022 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Apr 2022 | 31 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Apr 2022 | 31 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Apr 2022 | 31 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Apr 2022 | 31 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Apr 2022 | 31 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Apr 2022 | 31 Mar 2022 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 16 Mar 2022 | 31 Dec 2021 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 Mar 2022 | 15 Mar 2022 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 09 Mar 2022 | 03 Mar 2022 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 14 Feb 2022 | 09 Feb 2022 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 10 Feb 2022 | 09 Feb 2022 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 08 Feb 2022 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 01 Feb 2022 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 25 Jan 2022 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Jan 2022 | 18 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Jan 2022 | 17 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Jan 2022 | 17 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Jan 2022 | 17 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Jan 2022 | 17 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Jan 2022 | 17 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Jan 2022 | 17 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Jan 2022 | 13 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 12 Jan 2022 | 10 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 10 Jan 2022 | 06 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 05 Jan 2022 | 03 Jan 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 03 Jan 2022 | 29 Dec 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 29 Dec 2021 | 27 Dec 2021 | |
| 8-K/A | Open 8-K/A document | Open XBRL data | View SEC filing for 8-K/A | FORM 8-K/A | 22 Dec 2021 | 05 Oct 2021 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Dec 2021 | 16 Dec 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Dec 2021 | 14 Dec 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 Dec 2021 | 09 Dec 2021 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 10 Dec 2021 | 09 Dec 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 07 Dec 2021 | 06 Dec 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 30 Nov 2021 | 29 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 30 Nov 2021 | 26 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Nov 2021 | 23 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Nov 2021 | 22 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Nov 2021 | 15 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Nov 2021 | 15 Nov 2021 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 09 Nov 2021 | 30 Sep 2021 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 08 Nov 2021 | 08 Nov 2021 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 28 Oct 2021 | 22 Oct 2021 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 06 Oct 2021 | 05 Oct 2021 | 000-27140 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 05 Aug 2021 | 30 Jun 2021 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 Aug 2021 | 04 Aug 2021 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Aug 2021 | 02 Aug 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Jul 2021 | 26 Jul 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 21 Jul 2021 | 19 Jul 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 08 Jul 2021 | 06 Jul 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 07 Jul 2021 | 30 Jun 2021 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 30 Jun 2021 | 28 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 23 Jun 2021 | 21 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Jun 2021 | 14 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Jun 2021 | 14 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 14 Jun 2021 | 10 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 14 Jun 2021 | 10 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 14 Jun 2021 | 10 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 14 Jun 2021 | 10 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 14 Jun 2021 | 10 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 14 Jun 2021 | 10 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 14 Jun 2021 | 10 Jun 2021 | |
| 8-K/A | Open 8-K/A document | Open XBRL data | View SEC filing for 8-K/A | FORM 8-K/A | 11 Jun 2021 | 06 May 2021 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 11 Jun 2021 | 10 Jun 2021 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 10 Jun 2021 | 08 Jun 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 10 Jun 2021 | 10 Jun 2021 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 08 Jun 2021 | 07 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 08 Jun 2021 | 04 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Jun 2021 | 02 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Jun 2021 | 01 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Jun 2021 | 28 May 2021 | |
| SD | Open SD document | View SEC filing for SD | FORM SD | 01 Jun 2021 | 000-27140 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 May 2021 | 26 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 May 2021 | 24 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 May 2021 | 24 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 May 2021 | 20 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 21 May 2021 | 19 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 May 2021 | 18 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 May 2021 | 17 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 May 2021 | 14 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 14 May 2021 | 12 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 12 May 2021 | 10 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 12 May 2021 | 10 May 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 11 May 2021 | 06 May 2021 | 000-27140 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 04 May 2021 | 31 Mar 2021 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 03 May 2021 | 03 May 2021 | 000-27140 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 22 Apr 2021 | 10 Jun 2021 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 08 Apr 2021 | 08 Apr 2021 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2021 | 31 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2021 | 31 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2021 | 31 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2021 | 31 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2021 | 31 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2021 | 31 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Mar 2021 | 18 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Mar 2021 | 18 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Mar 2021 | 18 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Mar 2021 | 18 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Mar 2021 | 18 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Mar 2021 | 18 Mar 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 19 Mar 2021 | 18 Mar 2021 | 000-27140 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 04 Mar 2021 | 31 Dec 2020 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 03 Mar 2021 | 03 Mar 2021 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 12 Feb 2021 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Feb 2021 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 29 Jan 2021 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Jan 2021 | 15 Jan 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Jan 2021 | 15 Jan 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Jan 2021 | 15 Jan 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Jan 2021 | 15 Jan 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Jan 2021 | 15 Jan 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Jan 2021 | 15 Jan 2021 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 06 Jan 2021 | 005-44989 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 15 Dec 2020 | 09 Dec 2020 | 000-27140 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 05 Nov 2020 | 30 Sep 2020 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 Nov 2020 | 04 Nov 2020 | 000-27140 |
| EFFECT | Open EFFECT document | View SEC filing for EFFECT | 03 Nov 2020 | 333-249637 | ||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 29 Oct 2020 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 27 Oct 2020 | |||
| S-3 | Open S-3 document | View SEC filing for S-3 | FORM S-3 | 23 Oct 2020 | 333-249637 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 11 Sep 2020 | 10 Sep 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 11 Sep 2020 | 10 Sep 2020 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 05 Aug 2020 | 30 Jun 2020 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 04 Aug 2020 | 04 Aug 2020 | 000-27140 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 14 Jul 2020 | 07 Jul 2020 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 10 Jul 2020 | 07 Jul 2020 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 08 Jun 2020 | 04 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 08 Jun 2020 | 04 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 08 Jun 2020 | 04 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 08 Jun 2020 | 04 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 08 Jun 2020 | 04 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 05 Jun 2020 | 01 Jun 2020 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Jun 2020 | 05 Jun 2020 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 04 Jun 2020 | 04 Jun 2020 | 000-27140 |
| SD | Open SD document | View SEC filing for SD | FORM SD | 22 May 2020 | 000-27140 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 08 May 2020 | 31 Mar 2020 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 07 May 2020 | 07 May 2020 | 000-27140 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 23 Apr 2020 | 04 Jun 2020 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 20 Apr 2020 | 15 Apr 2020 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 07 Apr 2020 | 07 Apr 2020 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 03 Apr 2020 | 30 Mar 2020 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2020 | 31 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2020 | 31 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2020 | 31 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2020 | 31 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2020 | 31 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2020 | 31 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Apr 2020 | 31 Mar 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 02 Apr 2020 | 26 Mar 2020 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Apr 2020 | 26 Mar 2020 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 30 Mar 2020 | 26 Mar 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 30 Mar 2020 | 26 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 30 Mar 2020 | 26 Mar 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 30 Mar 2020 | 26 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 30 Mar 2020 | 26 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 30 Mar 2020 | 26 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 30 Mar 2020 | 26 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 30 Mar 2020 | 26 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 30 Mar 2020 | 26 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Mar 2020 | 11 Mar 2020 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 03 Mar 2020 | 31 Dec 2019 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 02 Mar 2020 | 02 Mar 2020 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 12 Feb 2020 | 005-44989 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 11 Feb 2020 | 005-44989 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 07 Feb 2020 | 07 Feb 2020 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 06 Feb 2020 | 31 Jan 2020 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 05 Feb 2020 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 29 Jan 2020 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2020 | 15 Jan 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2020 | 15 Jan 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2020 | 15 Jan 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2020 | 15 Jan 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2020 | 15 Jan 2020 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 31 Oct 2019 | 30 Sep 2019 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 30 Oct 2019 | 30 Oct 2019 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 09 Oct 2019 | 08 Oct 2019 | 000-27140 |
| 8-K/A | Open 8-K/A document | View SEC filing for 8-K/A | FORM 8-K/A | 18 Sep 2019 | 14 Aug 2019 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 Sep 2019 | 12 Sep 2019 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 22 Aug 2019 | 19 Aug 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 19 Aug 2019 | 14 Aug 2019 | 000-27140 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 07 Aug 2019 | 30 Jun 2019 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Aug 2019 | 05 Aug 2019 | 000-27140 |
| 15-12G | Open 15-12G document | View SEC filing for 15-12G | FORM 15-12G | 01 Aug 2019 | 000-27140 | |
| 25 | Open 25 document | View SEC filing for 25 | FORM 25 | 22 Jul 2019 | 000-27140 | |
| 8-A12G/A | Open 8-A12G/A document | View SEC filing for 8-A12G/A | FORM 8-A12G/A | 03 Jul 2019 | 000-27140 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 03 Jul 2019 | 28 Jun 2019 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2019 | 20 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2019 | 20 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2019 | 20 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 Jun 2019 | 20 Jun 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 21 Jun 2019 | 20 Jun 2019 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 20 Jun 2019 | 20 Jun 2019 | 000-27140 |
| SD | Open SD document | View SEC filing for SD | FORM SD | 31 May 2019 | 000-27140 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 10 May 2019 | 31 Mar 2019 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 08 May 2019 | 08 May 2019 | 000-27140 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 25 Apr 2019 | 20 Jun 2019 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 18 Apr 2019 | 18 Apr 2019 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Apr 2019 | 26 Mar 2019 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Mar 2019 | 26 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Mar 2019 | 26 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Mar 2019 | 26 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Mar 2019 | 26 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 28 Mar 2019 | 26 Mar 2019 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 15 Mar 2019 | 31 Dec 2018 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 13 Mar 2019 | 13 Mar 2019 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SC 13G/A | 13 Feb 2019 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 08 Feb 2019 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 06 Feb 2019 | 005-44989 | ||
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 30 Jan 2019 | 22 Jan 2019 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 16 Jan 2019 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 18 Dec 2018 | 14 Dec 2018 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 09 Nov 2018 | 30 Sep 2018 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 08 Nov 2018 | 07 Nov 2018 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 31 Oct 2018 | 25 Oct 2018 | 000-27140 |
| 8-K/A | Open 8-K/A document | View SEC filing for 8-K/A | FORM 8-K/A | 11 Oct 2018 | 27 Jul 2018 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 07 Sep 2018 | 06 Sep 2018 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 03 Aug 2018 | 30 Jun 2018 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 02 Aug 2018 | 02 Aug 2018 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Aug 2018 | 27 Jul 2018 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | AMENDMENT NO. 2 TO SCHEDULE 13G | 09 Jul 2018 | 005-44989 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 25 Jun 2018 | 25 Jun 2018 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 11 Jun 2018 | 06 Jun 2018 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 08 Jun 2018 | 06 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 08 Jun 2018 | 06 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 08 Jun 2018 | 06 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 08 Jun 2018 | 06 Jun 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 06 Jun 2018 | 06 Jun 2018 | 000-27140 |
| SD | Open SD document | View SEC filing for SD | FORM SD | 22 May 2018 | 000-27140 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 03 May 2018 | 31 Mar 2018 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 02 May 2018 | 02 May 2018 | 000-27140 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 26 Apr 2018 | 06 Jun 2018 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Apr 2018 | 05 Apr 2018 | 000-27140 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 16 Mar 2018 | 31 Dec 2017 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 28 Feb 2018 | 28 Feb 2018 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SC 13G/A | 13 Feb 2018 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 09 Feb 2018 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | AMENDMENT NO. 1 TO SCHEDULE 13G | 02 Feb 2018 | 005-44989 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 01 Feb 2018 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 23 Jan 2018 | 005-44989 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 18 Jan 2018 | 17 Jan 2018 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2018 | 15 Jan 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2018 | 15 Jan 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2018 | 15 Jan 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2018 | 15 Jan 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2018 | 16 Jan 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 17 Jan 2018 | 15 Jan 2018 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 29 Dec 2017 | 22 Dec 2017 | 000-27140 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 08 Dec 2017 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 06 Dec 2017 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 04 Dec 2017 | |||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 01 Nov 2017 | 30 Sep 2017 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 31 Oct 2017 | 31 Oct 2017 | 000-27140 |
| EFFECT | Open EFFECT document | View SEC filing for EFFECT | 15 Sep 2017 | 333-216802 | ||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 12 Sep 2017 | |||
| S-3/A | Open S-3/A document | View SEC filing for S-3/A | FORM S-3/A | 18 Aug 2017 | 333-216802 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 18 Aug 2017 | |||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 03 Aug 2017 | 30 Jun 2017 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 02 Aug 2017 | 02 Aug 2017 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 06 Jun 2017 | 01 Jun 2017 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 05 Jun 2017 | 01 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 05 Jun 2017 | 01 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 05 Jun 2017 | 01 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 05 Jun 2017 | 01 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 05 Jun 2017 | 01 Jun 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Jun 2017 | 01 Jun 2017 | 000-27140 |
| SD | Open SD document | View SEC filing for SD | FORM SD | 25 May 2017 | 000-27140 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 03 May 2017 | 31 Mar 2017 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 02 May 2017 | 02 May 2017 | 000-27140 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 27 Apr 2017 | 01 Jun 2017 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 24 Mar 2017 | 24 Mar 2017 | 000-27140 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 23 Mar 2017 | |||
| S-3 | Open S-3 document | View SEC filing for S-3 | FORM S-3 | 17 Mar 2017 | 333-216802 | |
| 10-K/A | Open 10-K/A document | View SEC filing for 10-K/A | FORM 10-K/A | 17 Mar 2017 | 31 Dec 2016 | 000-27140 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 09 Mar 2017 | 31 Dec 2016 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 09 Mar 2017 | 08 Mar 2017 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SC 13G/A | 14 Feb 2017 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 09 Feb 2017 | 005-44989 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 02 Feb 2017 | 005-44989 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2017 | 15 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2017 | 15 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2017 | 15 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2017 | 15 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Jan 2017 | 15 Jan 2017 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Jan 2017 | 005-44989 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 02 Nov 2016 | 30 Sep 2016 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 02 Nov 2016 | 01 Nov 2016 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 24 Oct 2016 | 19 Oct 2016 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 07 Oct 2016 | 05 Oct 2016 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 Sep 2016 | 22 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 Sep 2016 | 22 Sep 2016 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 23 Sep 2016 | 22 Sep 2016 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 16 Aug 2016 | 07 Aug 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 10 Aug 2016 | 09 Aug 2016 | 000-27140 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 03 Aug 2016 | 30 Jun 2016 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 03 Aug 2016 | 02 Aug 2016 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 12 Jul 2016 | 12 Jul 2016 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 08 Jul 2016 | 005-44989 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 07 Jun 2016 | 02 Jun 2016 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 03 Jun 2016 | 02 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 03 Jun 2016 | 02 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 03 Jun 2016 | 02 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 03 Jun 2016 | 02 Jun 2016 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 02 Jun 2016 | 02 Jun 2016 | 000-27140 |
| SD | Open SD document | View SEC filing for SD | FORM SD | 20 May 2016 | 000-27140 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 16 May 2016 | 12 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 12 May 2016 | 11 May 2016 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A | 12 May 2016 | 09 May 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 12 May 2016 | 09 May 2016 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 05 May 2016 | 31 Mar 2016 | 000-27140 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 May 2016 | 04 May 2016 | 000-27140 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 28 Apr 2016 | 02 Jun 2016 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Apr 2016 | 19 Apr 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Apr 2016 | 19 Apr 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Apr 2016 | 19 Apr 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Apr 2016 | 19 Apr 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 21 Apr 2016 | 19 Apr 2016 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 31 Mar 2016 | 31 Mar 2016 | 000-27140 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 04 Mar 2016 | 31 Dec 2015 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Mar 2016 | 01 Mar 2016 | 000-27140 |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A | 26 Feb 2016 | 15 Jan 2016 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SC 13G/A | 16 Feb 2016 | 005-44989 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SC 13G | 09 Feb 2016 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 09 Feb 2016 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | AMENDED SCHEDULE 13G | 08 Feb 2016 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 27 Jan 2016 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Jan 2016 | 15 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Jan 2016 | 15 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Jan 2016 | 15 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Jan 2016 | 15 Jan 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 20 Jan 2016 | 15 Jan 2016 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 20 Jan 2016 | 005-44989 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 16 Dec 2015 | 11 Dec 2015 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Nov 2015 | 09 Nov 2015 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 12 Nov 2015 | 26 May 2015 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 05 Nov 2015 | 30 Sep 2015 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 04 Nov 2015 | 04 Nov 2015 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 29 Oct 2015 | 26 Oct 2015 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 13 Oct 2015 | 09 Oct 2015 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Oct 2015 | 005-44989 | ||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 10 Sep 2015 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 01 Sep 2015 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 25 Aug 2015 | |||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 07 Aug 2015 | 30 Jun 2015 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Aug 2015 | 05 Aug 2015 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 04 Aug 2015 | 005-44989 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 21 Jul 2015 | 20 Jul 2015 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 25 Jun 2015 | 22 Jun 2015 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jun 2015 | 04 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jun 2015 | 04 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jun 2015 | 04 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jun 2015 | 04 Jun 2015 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 08 Jun 2015 | 04 Jun 2015 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 08 Jun 2015 | 04 Jun 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 08 Jun 2015 | 04 Jun 2015 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 04 Jun 2015 | 04 Jun 2015 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jun 2015 | 26 May 2015 | |
| SD | Open SD document | View SEC filing for SD | FORM SD | 01 Jun 2015 | 000-27140 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 May 2015 | 08 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 May 2015 | 07 May 2015 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 06 May 2015 | 31 Mar 2015 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 06 May 2015 | 05 May 2015 | 000-27140 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 30 Apr 2015 | 04 Jun 2015 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 21 Apr 2015 | 15 Apr 2015 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 02 Apr 2015 | 02 Apr 2015 | 000-27140 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 16 Mar 2015 | 31 Dec 2014 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 11 Mar 2015 | 10 Mar 2015 | 000-27140 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SC 13G | 13 Feb 2015 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 05 Feb 2015 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 30 Jan 2015 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | AMENDED SCHEDULE 13G | 26 Jan 2015 | 005-44989 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jan 2015 | 01 Jan 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jan 2015 | 01 Jan 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jan 2015 | 01 Jan 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jan 2015 | 01 Jan 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jan 2015 | 01 Jan 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jan 2015 | 01 Jan 2015 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 15 Jan 2015 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | NORTHWEST PIPE CO. | 09 Jan 2015 | 005-44989 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 04 Nov 2014 | 30 Sep 2014 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 Nov 2014 | 03 Nov 2014 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Sep 2014 | 11 Sep 2014 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 15 Sep 2014 | 11 Sep 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 15 Sep 2014 | 11 Sep 2014 | 000-27140 |
| 10-Q/A | Open 10-Q/A document | View SEC filing for 10-Q/A | 10-Q/A | 04 Sep 2014 | 31 Mar 2014 | 000-27140 |
| 10-K/A | Open 10-K/A document | View SEC filing for 10-K/A | FORM 10-K/A | 04 Sep 2014 | 31 Dec 2013 | 000-27140 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 15 Aug 2014 | 30 Jun 2014 | 000-27140 |
| NT 10-Q | Open NT 10-Q document | View SEC filing for NT 10-Q | NT 10-Q | 12 Aug 2014 | 30 Jun 2014 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 04 Aug 2014 | 04 Aug 2014 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 25 Jun 2014 | 23 Jun 2014 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 04 Jun 2014 | 29 May 2014 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2014 | 29 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2014 | 29 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2014 | 29 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2014 | 15 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2014 | 29 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2014 | 29 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2014 | 29 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2014 | 29 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2014 | 29 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2014 | 29 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2014 | 29 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2014 | 29 May 2014 | |
| SD | Open SD document | View SEC filing for SD | FORM SD | 02 Jun 2014 | 000-27140 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 29 May 2014 | 29 May 2014 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2014 | 09 May 2014 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 09 May 2014 | 31 Mar 2014 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 07 May 2014 | 07 May 2014 | 000-27140 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 18 Apr 2014 | 29 May 2014 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 04 Apr 2014 | 31 Mar 2014 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Apr 2014 | 28 Mar 2014 | 000-27140 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 17 Mar 2014 | 31 Dec 2013 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 17 Mar 2014 | 17 Mar 2014 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 07 Mar 2014 | 04 Mar 2014 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 12 Feb 2014 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Feb 2014 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 30 Jan 2014 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Jan 2014 | 01 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Jan 2014 | 01 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Jan 2014 | 01 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Jan 2014 | 01 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Jan 2014 | 01 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Jan 2014 | 13 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Jan 2014 | 01 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Jan 2014 | 01 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Jan 2014 | 01 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Jan 2014 | 01 Jan 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Jan 2014 | 01 Jan 2014 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Jan 2014 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Jan 2014 | 005-44989 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 08 Jan 2014 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SC 13G/A | 07 Jan 2014 | 005-44989 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 Nov 2013 | 30 Sep 2013 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 04 Nov 2013 | 04 Nov 2013 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Oct 2013 | 30 Sep 2013 | 000-27140 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 29 Aug 2013 | 27 Aug 2013 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 29 Aug 2013 | 27 Aug 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 29 Aug 2013 | 27 Aug 2013 | 000-27140 |
| S-8 | Open S-8 document | View SEC filing for S-8 | FORM S-8 | 28 Aug 2013 | 333-190854 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 06 Aug 2013 | 30 Jun 2013 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Aug 2013 | 05 Aug 2013 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Jun 2013 | 31 May 2013 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2013 | 31 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2013 | 31 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2013 | 31 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2013 | 31 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2013 | 31 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2013 | 31 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2013 | 31 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2013 | 31 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2013 | 31 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2013 | 31 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2013 | 31 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2013 | 31 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 31 May 2013 | 28 May 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 31 May 2013 | 31 May 2013 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 24 May 2013 | 22 May 2013 | |
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 16 May 2013 | 31 Dec 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2013 | 13 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 May 2013 | 10 May 2013 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 07 May 2013 | 31 Mar 2013 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 06 May 2013 | 06 May 2013 | 000-27140 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEFINITIVE PROXY STATEMENT | 17 Apr 2013 | 31 May 2013 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 09 Apr 2013 | 09 Apr 2013 | 000-27140 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 18 Mar 2013 | 31 Dec 2012 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 14 Mar 2013 | 14 Mar 2013 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 05 Mar 2013 | 005-44989 | ||
| 3/A | Open 3/A document | View SEC filing for 3/A | PRIMARY DOCUMENT | 04 Mar 2013 | 21 Feb 2013 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 28 Feb 2013 | 22 Feb 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 28 Feb 2013 | 22 Feb 2013 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 27 Feb 2013 | 21 Feb 2013 | 000-27140 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 13 Feb 2013 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 11 Feb 2013 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 07 Feb 2013 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 05 Feb 2013 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 29 Jan 2013 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 17 Jan 2013 | 005-44989 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Jan 2013 | 01 Jan 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Jan 2013 | 01 Jan 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Jan 2013 | 01 Jan 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Jan 2013 | 01 Jan 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Jan 2013 | 01 Jan 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Jan 2013 | 01 Jan 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Jan 2013 | 01 Jan 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Jan 2013 | 01 Jan 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Jan 2013 | 01 Jan 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 10 Jan 2013 | 19 Dec 2012 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 20 Dec 2012 | 19 Dec 2012 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Dec 2012 | 30 Nov 2012 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Nov 2012 | 23 Nov 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Nov 2012 | 19 Nov 2012 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 09 Nov 2012 | 30 Sep 2012 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 08 Nov 2012 | 08 Nov 2012 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 29 Oct 2012 | 24 Oct 2012 | 000-27140 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 07 Sep 2012 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 05 Sep 2012 | |||
| 8-K/A | Open 8-K/A document | View SEC filing for 8-K/A | FORM 8-K AMENDMENT NO 1 | 05 Sep 2012 | 20 Aug 2012 | 000-27140 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 30 Aug 2012 | |||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 24 Aug 2012 | 20 Aug 2012 | 000-27140 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 07 Aug 2012 | 30 Jun 2012 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 06 Aug 2012 | 06 Aug 2012 | 000-27140 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 01 Aug 2012 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Jul 2012 | 19 Jul 2012 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 16 Jul 2012 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jul 2012 | 01 Jul 2012 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 29 Jun 2012 | |||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 20 Jun 2012 | 14 Jun 2012 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2012 | 14 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2012 | 14 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2012 | 14 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2012 | 14 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2012 | 14 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2012 | 14 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2012 | 14 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2012 | 14 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2012 | 14 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2012 | 14 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2012 | 14 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2012 | 14 Jun 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 14 Jun 2012 | 14 Jun 2012 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2012 | 17 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2012 | 17 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2012 | 17 May 2012 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 15 May 2012 | 31 Mar 2012 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 14 May 2012 | 14 May 2012 | 000-27140 |
| NT 10-Q | Open NT 10-Q document | View SEC filing for NT 10-Q | NOTIFICATION OF LATE FILING | 11 May 2012 | 31 Mar 2012 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 May 2012 | 04 May 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 04 May 2012 | 30 Apr 2012 | 000-27140 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEFINITIVE PROXY STATEMENT | 30 Apr 2012 | 14 Jun 2012 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 27 Apr 2012 | 27 Apr 2012 | 000-27140 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 27 Apr 2012 | 31 Dec 2011 | 000-27140 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 27 Apr 2012 | 30 Sep 2011 | 000-27140 |
| 10-Q/A | Open 10-Q/A document | Open XBRL data | View SEC filing for 10-Q/A | FORM 10-Q AMENDMENT NO. 1 | 27 Apr 2012 | 30 Jun 2011 | 000-27140 |
| 10-Q/A | Open 10-Q/A document | View SEC filing for 10-Q/A | FORM 10-Q AMENDMENT NO. 1 | 27 Apr 2012 | 31 Mar 2011 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 20 Apr 2012 | 17 Apr 2012 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 13 Apr 2012 | 13 Apr 2012 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | NORTHWEST PIPE COMPANY | 09 Apr 2012 | 005-44989 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 30 Mar 2012 | 29 Mar 2012 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 22 Mar 2012 | 16 Mar 2012 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Mar 2012 | 18 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Mar 2012 | 18 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Mar 2012 | 18 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Mar 2012 | 13 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Mar 2012 | 18 Aug 2011 | |
| NT 10-K | Open NT 10-K document | View SEC filing for NT 10-K | NOTIFICATION OF LATE FILING | 15 Mar 2012 | 31 Dec 2011 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 15 Mar 2012 | 11 Mar 2012 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 14 Feb 2012 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Feb 2012 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2012 | 005-44989 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | NORTHWEST PIPE COMPANY 12312011 | 08 Feb 2012 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 25 Jan 2012 | 005-44989 | ||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 20 Jan 2012 | |||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 19 Jan 2012 | 005-44989 | ||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 09 Jan 2012 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2012 | 02 Jan 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2012 | 02 Jan 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2012 | 02 Jan 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2012 | 02 Jan 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2012 | 02 Jan 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2012 | 02 Jan 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2012 | 02 Jan 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2012 | 02 Jan 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2012 | 02 Jan 2012 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 29 Dec 2011 | |||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 22 Dec 2011 | 19 Dec 2011 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 16 Nov 2011 | 15 Nov 2011 | 000-27140 |
| NT 10-Q | Open NT 10-Q document | View SEC filing for NT 10-Q | NOTIFICATION OF LATE FILING | 10 Nov 2011 | 30 Sep 2011 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 12 Oct 2011 | 10 Oct 2011 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Oct 2011 | 10 Oct 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Oct 2011 | 10 Oct 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Oct 2011 | 10 Oct 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Oct 2011 | 10 Oct 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Oct 2011 | 10 Oct 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Oct 2011 | 10 Oct 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Oct 2011 | 10 Oct 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Oct 2011 | 10 Oct 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Oct 2011 | 10 Oct 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2011 | 03 Oct 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Aug 2011 | 23 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Aug 2011 | 10 Aug 2011 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 08 Aug 2011 | 30 Jun 2011 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 08 Aug 2011 | 05 Aug 2011 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Jun 2011 | 14 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Jun 2011 | 14 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Jun 2011 | 14 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Jun 2011 | 14 Jun 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 17 Jun 2011 | 14 Jun 2011 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 26 May 2011 | 20 May 2011 | 000-27140 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 25 May 2011 | 23 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2011 | 18 May 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 18 May 2011 | 12 May 2011 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2011 | 12 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2011 | 12 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2011 | 16 May 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 10 May 2011 | 10 May 2011 | 000-27140 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | FORM 10-Q | 10 May 2011 | 31 Mar 2011 | 000-27140 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEFINITIVE PROXY STATEMENT | 29 Apr 2011 | 14 Jun 2011 | 000-27140 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 28 Apr 2011 | 25 Apr 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 25 Apr 2011 | 21 Apr 2011 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 14 Apr 2011 | 14 Apr 2011 | 000-27140 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 13 Apr 2011 | 005-44989 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 22 Mar 2011 | 21 Mar 2011 | 000-27140 |
| 10-K | Open 10-K document | View SEC filing for 10-K | FORM 10-K | 22 Mar 2011 | 31 Dec 2010 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Mar 2011 | 15 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Mar 2011 | 15 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Mar 2011 | 15 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Mar 2011 | 15 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Mar 2011 | 15 Mar 2011 | |
| NT 10-K | Open NT 10-K document | View SEC filing for NT 10-K | NOTIFICATION OF LATE FILING | 17 Mar 2011 | 31 Dec 2010 | 000-27140 |
| RW | Open RW document | View SEC filing for RW | REGISTRATION WITHDRAWAL | 04 Mar 2011 | 333-158616 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 23 Feb 2011 | |||
| 5 | Open 5 document | View SEC filing for 5 | PRIMARY DOCUMENT | 14 Feb 2011 | 31 Dec 2010 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G HOLDINGS REPORT AMENDMENT | 14 Feb 2011 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G | 11 Feb 2011 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | NORTHWEST PIPE COMPANY | 10 Feb 2011 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2011 | 005-44989 | ||
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 02 Feb 2011 | 20 Jan 2011 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 27 Jan 2011 | 005-44989 | ||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 26 Jan 2011 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Jan 2011 | 20 Jan 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 24 Jan 2011 | 20 Jan 2011 | 000-27140 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 18 Jan 2011 | 005-44989 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 10 Jan 2011 | 04 Jan 2011 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jan 2011 | 04 Jan 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Dec 2010 | 22 Dec 2010 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 28 Dec 2010 | 22 Dec 2010 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Dec 2010 | 22 Dec 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Dec 2010 | 22 Dec 2010 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 21 Dec 2010 | |||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 24 Nov 2010 | 23 Nov 2010 | 000-27140 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEFINITIVE PROXY STATEMENT | 22 Nov 2010 | 22 Dec 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 17 Nov 2010 | 16 Nov 2010 | 000-27140 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | FORM 10-Q | 15 Nov 2010 | 30 Sep 2010 | 000-27140 |
| NT 10-Q | Open NT 10-Q document | View SEC filing for NT 10-Q | NOTIFICATION OF LATE FILING | 10 Nov 2010 | 30 Sep 2010 | 000-27140 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | FORM 10-Q | 04 Nov 2010 | 30 Jun 2010 | 000-27140 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | FORM 10-Q | 04 Nov 2010 | 31 Mar 2010 | 000-27140 |
| 10-K | Open 10-K document | View SEC filing for 10-K | FORM 10-K | 04 Nov 2010 | 31 Dec 2009 | 000-27140 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | FORM 10-Q | 04 Nov 2010 | 30 Sep 2009 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 27 Oct 2010 | 22 Oct 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 22 Oct 2010 | 22 Oct 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 08 Oct 2010 | 05 Oct 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Oct 2010 | 29 Sep 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 13 Sep 2010 | 07 Sep 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Sep 2010 | 26 Aug 2010 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Aug 2010 | 18 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Aug 2010 | 18 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Aug 2010 | 18 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Aug 2010 | 18 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Aug 2010 | 18 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Aug 2010 | 18 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Aug 2010 | 18 Aug 2010 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 17 Aug 2010 | 11 Aug 2010 | 000-27140 |
| NT 10-Q | Open NT 10-Q document | View SEC filing for NT 10-Q | FORM 12B-25 | 10 Aug 2010 | 30 Jun 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Aug 2010 | 30 Jul 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 30 Jul 2010 | 24 Jul 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 29 Jul 2010 | 23 Jul 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 28 Jun 2010 | 22 Jun 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 24 Jun 2010 | 18 Jun 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 26 May 2010 | 21 May 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 18 May 2010 | 11 May 2010 | 000-27140 |
| NT 10-Q | Open NT 10-Q document | View SEC filing for NT 10-Q | NOTIFICATION OF LATE FILING | 11 May 2010 | 31 Mar 2010 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 May 2010 | 30 Apr 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 May 2010 | 30 Apr 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 May 2010 | 30 Apr 2010 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 26 Apr 2010 | 20 Apr 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 20 Apr 2010 | 14 Apr 2010 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2010 | 29 Mar 2010 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 02 Apr 2010 | 29 Mar 2010 | 000-27140 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 23 Mar 2010 | 17 Mar 2010 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Mar 2010 | 15 Mar 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Mar 2010 | 15 Mar 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Mar 2010 | 15 Mar 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Mar 2010 | 15 Mar 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Mar 2010 | 15 Mar 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Mar 2010 | 15 Mar 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Mar 2010 | 15 Mar 2010 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 16 Mar 2010 | 16 Mar 2010 | 000-27140 |
| NT 10-K | Open NT 10-K document | View SEC filing for NT 10-K | NOTIFICATION OF LATE FILING | 16 Mar 2010 | 31 Dec 2009 | 000-27140 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Feb 2010 | 18 Feb 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Feb 2010 | 18 Feb 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Feb 2010 | 18 Feb 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Feb 2010 | 18 Feb 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Feb 2010 | 18 Feb 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Feb 2010 | 18 Feb 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Feb 2010 | 18 Feb 2010 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 19 Feb 2010 | 12 Feb 2010 | 000-27140 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ANNUAL 13G | 16 Feb 2010 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G HOLDINGS REPORT AMENDMENT | 16 Feb 2010 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | NORTHWEST PIPE COMPANY 13G | 12 Feb 2010 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G | 08 Feb 2010 | 005-44989 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 26 Jan 2010 | 005-44989 |
About this filer
NWPX Infrastructure, Inc. files with the SEC under CIK 0001001385. This page aggregates EDGAR filings and related ownership activity.
Industry: Steel Pipe & Tubes.
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.