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 | $15K–$50K | 253 | $144.75 | Oct 15, 2024 |
| Slone Deck | Sr. VP - Strategy … | EXERCISE | N/A | 1K | — | Oct 15, 2024 |
| Giljum Matthew C. | Sr. VP and CFO | SELL | $15K–$50K | 169 | $144.75 | Oct 15, 2024 |
| Giljum Matthew C. | Sr. VP and CFO | EXERCISE | N/A | 2K | — | Oct 15, 2024 |
| LORSON JOHN W | VP & Chief Acctg O… | SELL | $50K–$100K | 465 | $169.65 | Feb 28, 2024 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | SELL | $1M+ | 6K | $170.21 | Feb 28, 2024 |
| Ziegler John A. | Sr. VP & Chief Adm… | SELL | $500K+ | 3K | $169.42 | Feb 27, 2024 |
| Ziegler John A. | Sr. VP & Chief Adm… | EXERCISE | N/A | 3K | — | Feb 27, 2024 |
| Ziegler John A. | Sr. VP & Chief Adm… | GRANT | N/A | 19K | — | Feb 27, 2024 |
| Giljum Matthew C. | Sr. VP and CFO | GRANT | N/A | 20K | — | Feb 27, 2024 |
| Giljum Matthew C. | Sr. VP and CFO | EXERCISE | N/A | 4K | — | Feb 27, 2024 |
| Giljum Matthew C. | Sr. VP and CFO | SELL | $100K–$500K | 2K | $169.48 | Feb 27, 2024 |
| Slone Deck | Sr. VP - Strategy … | EXERCISE | N/A | 3K | — | Feb 27, 2024 |
| Slone Deck | Sr. VP - Strategy … | SELL | $500K+ | 5K | $169.43 | Feb 27, 2024 |
| Slone Deck | Sr. VP - Strategy … | GRANT | N/A | 17K | — | Feb 27, 2024 |
| LORSON JOHN W | VP & Chief Acctg O… | SELL | $50K–$100K | 382 | $167.71 | Feb 27, 2024 |
| LORSON JOHN W | VP & Chief Acctg O… | GRANT | N/A | 2K | — | Feb 27, 2024 |
| LORSON JOHN W | VP & Chief Acctg O… | EXERCISE | N/A | 400 | — | Feb 27, 2024 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | SELL | $100K–$500K | 931 | $170.00 | Feb 13, 2024 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | EXERCISE | N/A | 3K | — | Feb 13, 2024 |
| LORSON JOHN W | VP & Chief Acctg O… | SELL | $100K–$500K | 1K | $168.50 | Feb 13, 2024 |
| LORSON JOHN W | VP & Chief Acctg O… | EXERCISE | N/A | 350 | — | Feb 13, 2024 |
| Ziegler John A. | Sr. VP & Chief Adm… | SELL | $50K–$100K | 418 | $170.59 | Feb 13, 2024 |
| Ziegler John A. | Sr. VP & Chief Adm… | EXERCISE | N/A | 3K | — | Feb 13, 2024 |
| Slone Deck | Sr. VP - Strategy … | SELL | $100K–$500K | 672 | $170.59 | Feb 13, 2024 |
| Slone Deck | Sr. VP - Strategy … | EXERCISE | N/A | 3K | — | Feb 13, 2024 |
| Giljum Matthew C. | Sr. VP and CFO | EXERCISE | N/A | 3K | — | Feb 13, 2024 |
| Giljum Matthew C. | Sr. VP and CFO | SELL | $50K–$100K | 314 | $170.63 | Feb 13, 2024 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | SELL | $500K+ | 4K | $178.40 | Feb 2, 2024 |
| Klein Rosemary L | Sr. VP | SELL | $100K–$500K | 2K | $185.00 | Jan 22, 2024 |
| Ziegler John A. | Sr. VP & Chief Adm… | SELL | $500K+ | 5K | $175.03 | Dec 1, 2023 |
| Klein Rosemary L | Sr. VP | SELL | $15K–$50K | 158 | $165.00 | Nov 27, 2023 |
| Ziegler John A. | Sr. VP & Chief Adm… | EXERCISE | N/A | 1K | — | Oct 16, 2023 |
| Ziegler John A. | Sr. VP & Chief Adm… | SELL | $15K–$50K | 189 | $155.21 | Oct 16, 2023 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | SELL | $15K–$50K | 189 | $153.25 | Oct 16, 2023 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | EXERCISE | N/A | 1K | — | Oct 16, 2023 |
| Giljum Matthew C. | Sr. VP and CFO | EXERCISE | N/A | 4K | — | Oct 16, 2023 |
| Giljum Matthew C. | Sr. VP and CFO | SELL | $50K–$100K | 421 | $155.21 | Oct 16, 2023 |
| Slone Deck | Sr. VP - Strategy … | EXERCISE | N/A | 2K | — | Oct 16, 2023 |
| Slone Deck | Sr. VP - Strategy … | SELL | $100K–$500K | 843 | $153.86 | Oct 16, 2023 |
| Klein Rosemary L | Sr. VP | SELL | $15K–$50K | 316 | $154.91 | Oct 16, 2023 |
| Klein Rosemary L | Sr. VP | EXERCISE | N/A | 1K | — | Oct 16, 2023 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | SELL | $15K–$50K | 200 | $175.00 | Oct 3, 2023 |
| Demzik Paul T. | Sr. VP-Chf Commerc… | SELL | $500K+ | 4K | $175.00 | Sep 28, 2023 |
| Klein Rosemary L | Sr. VP | SELL | $100K–$500K | 2K | $165.00 | Mar 6, 2023 |
| Ziegler John A. | Sr. VP & Chief Adm… | EXERCISE | N/A | 7K | — | Feb 28, 2023 |
| Ziegler John A. | Sr. VP & Chief Adm… | GRANT | N/A | 20K | — | Feb 28, 2023 |
| Ziegler John A. | Sr. VP & Chief Adm… | SELL | $500K+ | 4K | $151.61 | Feb 28, 2023 |
| Slone Deck | Sr. VP - Strategy … | EXERCISE | N/A | 6K | — | Feb 28, 2023 |
| Slone Deck | Sr. VP - Strategy … | GRANT | N/A | 18K | — | Feb 28, 2023 |
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