Mailing Address 275 TECHNOLOGY DRIVE SUITE #101 CANONSBURG PA 15317
Business Address 275 TECHNOLOGY DRIVE SUITE #101 CANONSBURG PA 15317 724-416-8300
Core Natural Resources, Inc. CIK#: 0001710366 (see all company filings)

SIC: 1220 - BITUMINOUS COAL & LIGNITE MINING
State location: PA | State of Inc.: DE | Fiscal Year End: 1231
formerly: CONSOL Energy Inc. (filings through 2025-01-10)
formerly: CONSOL Mining Corp (filings through 2017-11-22)
(CF Office: 01 Energy & Transportation)
Get insider transactions for this issuer.
Get insider transactions for this reporting owner.

Filter Results
Search Within Files

(YYYYMMDD)
Ownership?


Enter keywords
Items 1 - 40  0001710366 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
8-K  Documents   Interactive Data Current report, items 7.01, 8.01, and 9.01
Acc-no: 0001193125-25-066237 (34 Act)  Size: 180 KB
2025-03-28 001-38147
25781471
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001193125-25-061433 (34 Act)  Size: 12 MB
2025-03-24 001-38147
25764986
ARS  Documents Annual Report to Security Holders
Acc-no: 0001193125-25-055719 (34 Act)  Size: 12 MB
2025-03-17 001-38147
25745630
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-25-055711 (34 Act)  Size: 1 MB
2025-03-17 001-38147
25745590
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001193125-25-055703 (34 Act)  Size: 11 MB
2025-03-17 001-38147
25745528
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001193125-25-030102 (34 Act)  Size: 744 KB
2025-02-20 001-38147
25643280
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001710366-25-000010 (34 Act)  Size: 34 MB
2025-02-20 001-38147
25643258
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001710366-25-000008 (34 Act)  Size: 402 KB
2025-02-20 001-38147
25643236
8-K/A  Documents   Interactive Data [Amend] Current report, item 9.01
Acc-no: 0001193125-25-028132 (34 Act)  Size: 163 KB
2025-02-18 001-38147
25632696
SCHEDULE 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000929638-25-000812 (34 Act)  Size: 12 KB
2025-02-14 005-90208
25631236
SCHEDULE 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000932471-25-000341 (34 Act)  Size: 6 KB
2025-02-07 005-90208
25600233
SCHEDULE 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000354204-25-000469 (34 Act)  Size: 8 KB
2025-01-23 005-90208
25549978
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001104659-25-003943 (34 Act)  Size: 223 KB
2025-01-16 001-38147
25534322
8-K  Documents   Interactive Data Current report, items 1.01, 2.01, 2.03, 3.03, 5.02, 5.03, 7.01, 8.01, and 9.01
Acc-no: 0001193125-25-007135 (34 Act)  Size: 2 MB
2025-01-15 001-38147
25533749
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001193125-25-004047 (34 Act)  Size: 154 KB
2025-01-10 001-38147
25520259
SCHEDULE 13G  Documents Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000315066-25-000027 (34 Act)  Size: 11 KB
2025-01-08 005-90208
25516863
425  Documents Prospectuses and communications, business combinations
Acc-no: 0001193125-25-001053 Size: 75 KB
2025-01-03
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001193125-25-001048 (34 Act)  Size: 239 KB
2025-01-03 001-38147
25503819
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001193125-24-272496 (34 Act)  Size: 142 KB
2024-12-06 001-38147
241532721
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-24-003582 (33 Act)  Size: 1 KB
2024-11-26 13:00:00 333-282453
241506117
424B3  Documents Prospectus [Rule 424(b)(3)]
Acc-no: 0001193125-24-266188 (33 Act)  Size: 3 MB
2024-11-26 333-282453
241505170
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001193125-24-264099 Size: 8 KB
2024-11-22
S-4/A  Documents [Amend] Registration of securities, business combinations
Acc-no: 0001193125-24-261026 (33 Act)  Size: 4 MB
2024-11-18 333-282453
241472481
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001193125-24-261022 Size: 11 KB
2024-11-18
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001193125-24-255935 (34 Act)  Size: 203 KB
2024-11-12 001-38147
241448043
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000932471-24-000965 (34 Act)  Size: 6 KB
2024-11-12 005-90208
241446978
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-24-012389 Size: 39 KB
2024-11-07 001-38147
425  Documents Prospectuses and communications, business combinations
Acc-no: 0001193125-24-252202 Size: 25 KB
2024-11-06
425  Documents Prospectuses and communications, business combinations
Acc-no: 0001193125-24-251320 Size: 22 KB
2024-11-05
425  Documents Prospectuses and communications, business combinations
Acc-no: 0001193125-24-251002 Size: 2 MB
2024-11-05
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001710366-24-000031 (34 Act)  Size: 9 MB
2024-11-05 001-38147
241425590
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001710366-24-000029 (34 Act)  Size: 387 KB
2024-11-05 001-38147
241425567
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000932471-24-000326 (34 Act)  Size: 5 KB
2024-11-04 005-90208
241421912
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000932471-24-000395 (34 Act)  Size: 5 KB
2024-11-04 005-90208
241421603
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000932471-24-000394 (34 Act)  Size: 5 KB
2024-11-04 005-90208
241421600
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001193125-24-249930 Size: 20 KB
2024-11-01
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-24-011962 Size: 42 KB
2024-10-25 333-282453
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-24-011931 Size: 46 KB
2024-10-25 001-38147
425  Documents Prospectuses and communications, business combinations
Acc-no: 0001193125-24-237225 Size: 60 KB
2024-10-15
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001193125-24-237222 (34 Act)  Size: 200 KB
2024-10-15 001-38147
241369370