SEC ownership of ARCH RESOURCES, INC.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001037676.

Comparable stake leader

Paul A. Lang

Disclosed value leader

Paul A. Lang

Comparable rows

0/17

Latest evidence

31 Mar 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 1 signal
Latest parsed ownership date
31 Mar 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001037676
Issuer location
St Louis, MO

Ownership snapshot

Top shareholders of ARCH RESOURCES, INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Paul A. Lang
Disclosed value leader
Paul A. Lang
Comparable rows
0/17
Latest evidence
31 Mar 2026
3/4/5 13F Highest disclosed value: $30,958,852 17 rows are not safely comparable across share classes. Showing 1-8 of 17 holder rows.

Quick read

Paul A. Lang has the largest disclosed position value at $30.96M.

0 of 17 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Paul A. Lang's linked filing trail.
Disclosed position value Top 5
Paul A. Lang $30.96M
John W. Eaves $23.11M
Drexler John T. $16.18M
Matthew C. Giljum $5.79M
Deck Slone $4.22M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-8 of 17 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Paul A. Lang
3/4/5
CEO, Director
class O/S missing
$30,958,852
182,605 shares
14 Jan 2025
John W. Eaves
3/4/5
Executive Chairman, Director
class O/S missing
$23,112,882
124,116 shares
07 Mar 2024
Drexler John T.
3/4/5
President
class O/S missing
$16,177,478
110,911 shares
14 Jan 2025
Matthew C. Giljum
3/4/5
Sr. VP and CFO
class O/S missing
$5,790,724
40,005 shares
14 Jan 2025
Deck Slone
3/4/5
Sr. VP - Strategy & Public Pol
class O/S missing
$4,215,120
29,120 shares
14 Jan 2025
Rosemary L. Klein
3/4/5
Sr. VP, Gen Counsel and Secary
class O/S missing
$4,004,878
27,457 shares
14 Jan 2025
John A. Ziegler
3/4/5
Sr. VP & Chief Admin Officer
class O/S missing
$3,458,852
18,618 shares
14 Jan 2025
Demzik Paul T.
3/4/5
Sr. VP-Chf Commercial Officer
class O/S missing
$1,000,125
5,715 shares
14 Jan 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 28 Jun 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-17 of 17 reporting-owner rows connected to ARCH RESOURCES, INC.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
17
Largest Forms 3/4/5 holder
Paul A. Lang
Net 12M change
$0
Latest report
14 Jan 2025
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Paul A. Lang CEO, Director $30,958,852 Mixed 14 Jan 2025
John W. Eaves Executive Chairman, Director $23,112,882 Filing P/S 07 Mar 2024
Drexler John T. President $16,177,478 Mixed 14 Jan 2025
Matthew C. Giljum Sr. VP and CFO $5,790,724 Filing P/S 14 Jan 2025
Deck Slone Sr. VP - Strategy & Public Pol $4,215,120 Filing P/S 14 Jan 2025
Rosemary L. Klein Sr. VP, Gen Counsel and Secary $4,004,878 Mixed 14 Jan 2025
John A. Ziegler Sr. VP & Chief Admin Officer $3,458,852 Filing P/S 14 Jan 2025
Demzik Paul T. Sr. VP-Chf Commercial Officer $1,000,125 Filing P/S 14 Jan 2025
LORSON JOHN W VP & Chief Acctg Officer $641,616 Filing P/S 14 Jan 2025
Patrick A. Kriegshauser Director $470,976 Mixed 14 Jan 2025
Holly K. Koeppel Director $365,720 Mixed 14 Jan 2025
James N. Chapman Director $224,394 Filing P/S 08 Mar 2024
Pamela R. Butcher Director $33,000 Filing P/S 14 Jan 2025
George John Schuller Jr. Sr. VP - COO Mixed 14 Jan 2025
Patrick J. Bartels Jr. Director Mixed 09 Feb 2023
Peifang Zhang Director Mixed 14 Jan 2025
Richard A. Navarre Director Mixed 14 Jan 2025

Recent insider transactions for ARCH RESOURCES, INC.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
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