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Mailing Address CITYPLACE ONE SUITE 300 ARCH MINERAL CORP CREVE COEUR MO 63141
Business Address CITY PLACE ONE STE 300 ARCH MINERAL CORP ST LOUIS MO 63141 3149942700
ARCH RESOURCES, INC. CIK#: 0001037676 (see all company filings)

SIC: 1221 - BITUMINOUS COAL & LIGNITE SURFACE MINING
State location: MO | State of Inc.: DE | Fiscal Year End: 1231
formerly: ARCH COAL INC (filings through 2020-05-05)
formerly: ARCH MINERAL CORP (filings through 1997-07-01)
(CF Office: 01 Energy & Transportation)
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Items 1 - 40  0001037676 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001558370-24-005745 (34 Act)  Size: 8 MB
2024-04-25 001-13105
24875637
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001104659-24-051582 (34 Act)  Size: 574 KB
2024-04-25 001-13105
24872889
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-007398 (34 Act)  Size: 13 KB
2024-04-05 005-51233
24825628
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001104659-24-039415 (34 Act)  Size: 403 KB
2024-03-27 001-13105
24785994
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001104659-24-039412 (34 Act)  Size: 4 MB
2024-03-27 001-13105
24785989
8-K  Documents   Interactive Data Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001104659-24-035915 (34 Act)  Size: 239 KB
2024-03-19 001-13105
24761172
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001104659-24-031307 (34 Act)  Size: 225 KB
2024-03-06 001-13105
24724497
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001104659-24-027295 (34 Act)  Size: 9 MB
2024-02-26 001-13105
24673591
8-K  Documents   Interactive Data Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001104659-24-026341 (34 Act)  Size: 242 KB
2024-02-22 001-13105
24662391
8-K  Documents   Interactive Data Current report, item 1.02
Acc-no: 0001104659-24-025228 (34 Act)  Size: 197 KB
2024-02-20 001-13105
24650795
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001558370-24-001229 (34 Act)  Size: 29 MB
2024-02-15 001-13105
24643495
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001104659-24-024342 (34 Act)  Size: 649 KB
2024-02-15 001-13105
24642014
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-020317 (34 Act)  Size: 13 KB
2024-02-13 005-51233
24627477
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-004695 (34 Act)  Size: 13 KB
2024-01-26 005-51233
24568211
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000093751-24-000047 (34 Act)  Size: 8 KB
2024-01-22 005-51233
24547549
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001558370-23-016831 (34 Act)  Size: 12 MB
2023-10-26 001-13105
231349930
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001104659-23-111595 (34 Act)  Size: 671 KB
2023-10-26 001-13105
231347435
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001711252-23-000004 (34 Act)  Size: 6 KB
2023-10-23 005-51233
231339762
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001104659-23-105612 (34 Act)  Size: 226 KB
2023-10-02 001-13105
231297703
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-23-002584 (34 Act)  Size: 8 KB
2023-09-11 005-51233
231246760
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001711252-23-000001 (34 Act)  Size: 6 KB
2023-08-07 005-51233
231147381
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001558370-23-012391 (34 Act)  Size: 12 MB
2023-07-27 001-13105
231117767
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001104659-23-084527 (34 Act)  Size: 677 KB
2023-07-27 001-13105
231115246
8-K  Documents   Interactive Data Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001104659-23-083196 (34 Act)  Size: 226 KB
2023-07-24 001-13105
231103721
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001104659-23-061266 (34 Act)  Size: 238 KB
2023-05-16 001-13105
23926332
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001558370-23-007035 (34 Act)  Size: 10 MB
2023-04-27 001-13105
23856439
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001104659-23-050660 (34 Act)  Size: 638 KB
2023-04-27 001-13105
23851763
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001062993-23-008968 (34 Act)  Size: 28 KB
2023-04-10 005-51233
23810096
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001104659-23-039719 (34 Act)  Size: 244 KB
2023-03-31 001-13105
23783560
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001104659-23-039713 (34 Act)  Size: 7 MB
2023-03-31 001-13105
23783547
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001558370-23-001458 (34 Act)  Size: 22 MB
2023-02-16 001-13105
23638892
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001104659-23-022590 (34 Act)  Size: 719 KB
2023-02-16 001-13105
23637085
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001172661-23-001387 (34 Act)  Size: 80 KB
2023-02-14 005-51233
23631265
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000070858-23-000075 (34 Act)  Size: 90 KB
2023-02-14 005-51233
23623205
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001062993-23-002838 (34 Act)  Size: 29 KB
2023-02-13 005-51233
23617609
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-015341 (34 Act)  Size: 13 KB
2023-02-09 005-51233
23602435
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-23-001392 (34 Act)  Size: 8 KB
2023-02-09 005-51233
23601289
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000895421-23-000077 (34 Act)  Size: 18 KB
2023-02-08 005-51233
23598861
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000093751-23-000207 (34 Act)  Size: 8 KB
2023-02-06 005-51233
23588786
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-006394 (34 Act)  Size: 13 KB
2023-02-01 005-51233
23577619