ARCH RESOURCES, INC.
Total Trades
98
Buys
2
Sells
49
Largest Trade
N/A
Insiders
8
Institutional Funds
1
Inst. Value
<$1K
Activist Filings
25
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Slone Deck | Sr. VP - Strategy … | SELL | $500K+ | 6K | $151.63 | Feb 28, 2023 |
| LORSON JOHN W | VP & Chief Acctg O… | EXERCISE | N/A | 817 | — | Feb 28, 2023 |
| LORSON JOHN W | VP & Chief Acctg O… | GRANT | N/A | 2K | — | Feb 28, 2023 |
| LORSON JOHN W | VP & Chief Acctg O… | SELL | $50K–$100K | 474 | $148.13 | Feb 28, 2023 |
| Giljum Matthew C. | Sr. VP and CFO | EXERCISE | N/A | 7K | — | Feb 28, 2023 |
| Giljum Matthew C. | Sr. VP and CFO | SELL | $100K–$500K | 3K | $151.53 | Feb 28, 2023 |
| Giljum Matthew C. | Sr. VP and CFO | GRANT | N/A | 19K | — | Feb 28, 2023 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | GRANT | N/A | 19K | — | Feb 28, 2023 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | EXERCISE | N/A | 7K | — | Feb 28, 2023 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | SELL | $500K+ | 4K | $151.58 | Feb 28, 2023 |
| Klein Rosemary L | Sr. VP | GRANT | N/A | 3K | — | Feb 28, 2023 |
| Klein Rosemary L | Sr. VP | EXERCISE | N/A | 6K | — | Feb 28, 2023 |
| Klein Rosemary L | Sr. VP | SELL | $100K–$500K | 2K | $158.03 | Feb 28, 2023 |
| Klein Rosemary L | Sr. VP | SELL | $50K–$100K | 623 | $150.00 | Feb 17, 2023 |
| Ziegler John A. | Sr. VP & Chief Adm… | EXERCISE | N/A | 2K | — | Feb 13, 2023 |
| Ziegler John A. | Sr. VP & Chief Adm… | SELL | $15K–$50K | 270 | $141.08 | Feb 13, 2023 |
| Slone Deck | Sr. VP - Strategy … | SELL | $50K–$100K | 433 | $141.08 | Feb 13, 2023 |
| Slone Deck | Sr. VP - Strategy … | EXERCISE | N/A | 2K | — | Feb 13, 2023 |
| LORSON JOHN W | VP & Chief Acctg O… | EXERCISE | N/A | 216 | — | Feb 13, 2023 |
| LORSON JOHN W | VP & Chief Acctg O… | SELL | $1K–$15K | 33 | $141.08 | Feb 13, 2023 |
| Giljum Matthew C. | Sr. VP and CFO | SELL | $15K–$50K | 199 | $141.08 | Feb 13, 2023 |
| Giljum Matthew C. | Sr. VP and CFO | EXERCISE | N/A | 2K | — | Feb 13, 2023 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | SELL | $15K–$50K | 260 | $141.08 | Feb 13, 2023 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | EXERCISE | N/A | 2K | — | Feb 13, 2023 |
| Ziegler John A. | Sr. VP & Chief Adm… | EXERCISE | N/A | 1K | — | Oct 17, 2022 |
| Ziegler John A. | Sr. VP & Chief Adm… | SELL | $15K–$50K | 190 | $136.00 | Oct 17, 2022 |
| Klein Rosemary L | Sr. VP | SELL | $1K–$15K | 30 | $136.00 | Oct 17, 2022 |
| Klein Rosemary L | Sr. VP | EXERCISE | N/A | 379 | — | Oct 17, 2022 |
| Giljum Matthew C. | Sr. VP and CFO | EXERCISE | N/A | 3K | — | Oct 17, 2022 |
| Giljum Matthew C. | Sr. VP and CFO | SELL | $15K–$50K | 253 | $136.00 | Oct 17, 2022 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | EXERCISE | N/A | 1K | — | Oct 17, 2022 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | SELL | $15K–$50K | 164 | $136.00 | Oct 17, 2022 |
| CHAPMAN JAMES N | Director | BUY | $100K–$500K | 1K | $123.10 | Aug 1, 2022 |
| BARTELS PATRICK J JR | Director | BUY | $50K–$100K | 500 | $125.58 | Aug 1, 2022 |
| Ziegler John A. | Sr. VP & Chief Adm… | SELL | $500K+ | 5K | $145.80 | Mar 9, 2022 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | SELL | $1M+ | 9K | $149.86 | Mar 4, 2022 |
| Ziegler John A. | Sr. VP & Chief Adm… | EXERCISE | N/A | 7K | — | Mar 1, 2022 |
| Ziegler John A. | Sr. VP & Chief Adm… | SELL | $1M+ | 10K | $117.63 | Mar 1, 2022 |
| Slone Deck | Sr. VP - Strategy … | EXERCISE | N/A | 5K | — | Mar 1, 2022 |
| Slone Deck | Sr. VP - Strategy … | SELL | $100K–$500K | 3K | $123.34 | Mar 1, 2022 |
| LORSON JOHN W | VP & Chief Acctg O… | SELL | $15K–$50K | 408 | $115.07 | Mar 1, 2022 |
| LORSON JOHN W | VP & Chief Acctg O… | EXERCISE | N/A | 816 | — | Mar 1, 2022 |
| Klein Rosemary L | Sr. VP | SELL | $50K–$100K | 454 | $113.86 | Mar 1, 2022 |
| Klein Rosemary L | Sr. VP | EXERCISE | N/A | 6K | — | Mar 1, 2022 |
| Giljum Matthew C. | Sr. VP and CFO | SELL | $50K–$100K | 712 | $114.97 | Mar 1, 2022 |
| Giljum Matthew C. | Sr. VP and CFO | EXERCISE | N/A | 7K | — | Mar 1, 2022 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | SELL | $100K–$500K | 880 | $115.08 | Mar 1, 2022 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | EXERCISE | N/A | 7K | — | Mar 1, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 1 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| HUNTINGTON NATIONAL BANK | 1 | <$1K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Apr 15, 2025
0.0%
0 shares
SC 13G/A · Feb 7, 2025
0.0%
0 shares
SC 13G · Dec 6, 2024
11.7%
2.1M shares
Dimensional Fund Advisors LP 30-0447847
SC 13G · Oct 31, 2024
5.5%
999K shares
STATE STREET CORPORATION 04-2456637
SC 13G · Oct 16, 2024
6.1%
1.1M shares
SC 13G/A · Apr 5, 2024
15.3%
2.8M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
11.2%
2.1M shares
SC 13G/A · Jan 26, 2024
7.3%
1.3M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Jan 22, 2024
4.6%
0 shares
I.R.S. IDENTIFICATION AZVALOR ASSET MANAGEMENT, SGIIC, SA
SC 13G · Oct 23, 2023
4941.0%
SC 13G/A · Sep 11, 2023
2.1%
378K shares
I.R.S. IDENTIFICATION AZVALOR ASSET MANAGEMENT, SGIIC, SA
SC 13G · Aug 7, 2023
5009.0%
SC 13G/A · Apr 10, 2023
0.6%
119K shares
Maple Rock Capital Partners Inc.
SC 13G/A · Feb 14, 2023
1.8%
328K shares
BANK OF AMERICA CORPORATION 56-0906609
SC 13G/A · Feb 14, 2023
2.4%
441K shares
SC 13G · Feb 13, 2023
6.0%
1.1M shares
SC 13G/A · Feb 1, 2023
5.8%
1.0M shares
The Vanguard Group - 23-1945930
SC 13G/A · Nov 10, 2022
10.2%
1.8M shares
SC 13G · Aug 10, 2022
10.5%
2.0M shares
I.R.S. IDENTIFICATION AZVALOR ASSET MANAGEMENT, SGIIC, SA
SC 13G · May 13, 2022
4924.0%
762K shares
Maple Rock Capital Partners Inc.
SC 13G · Feb 14, 2022
5.2%
790K shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Feb 11, 2022
7.9%
0 shares
Morgan Stanley I.R.S. # 36-3145972
SC 13G/A · Feb 10, 2022
8.3%
1.3M shares
BANK OF AMERICA CORPORATION 560906609
SC 13G · Jan 31, 2022
6.4%
982K shares
I.R.S. IDENTIFICATION AZVALOR ASSET MANAGEMENT, SGIIC, SA
SC 13G · Jan 10, 2022
6915.0%
1.1M shares