Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001704715-26-000010
Filing Date
2026-02-27
Accepted
2026-02-27 07:36:50
Documents
499
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 10-K amr-20251231.htm   iXBRL 10-K 2949930
2 DESCRIPTION OF SECURITIES REGISTERED a12312025exhibit41.htm EX-4.1 27287
3 LIST OF SUBSIDIARIES OF ALPHA METALLURGICAL RESOURCES, INC. a12312025exhibit211.htm EX-21.1 41745
4 CONSENT OF RSM US LLP a12312025exhibit231.htm EX-23.1 2293
5 CONSENT OF MARSHALL MILLER & ASSOCIATES, DATED FEBRUARY 27, 2026 a12312025exhibit232.htm EX-23.2 11501
6 CERTIFICATIONS PURSUANT TO RULE 13A-14(A) UNDER THE SECURITIES EXCHANGE ACT a12312025exhibit31.htm EX-31 11765
7 CERTIFICATIONS PURSUANT TO 18 U.S.C. SECTION 1350 a12312025exhibit32.htm EX-32 6209
8 MINE SAFETY DISCLOSURE a12312025exhibit95.htm EX-95 188225
9 TECHNICAL REPORT SUMMARY - ARACOMA COMPLEX finalaracomaasof12-31x20.htm EX-96.1 240635
10 TECHNICAL REPORT SUMMARY - KEPLER COMPLEX finalkeplerasof12-31x25.htm EX-96.2 246376
11 TECHNICAL REPORT SUMMARY - KINGSTON MINING COMPLEX finalkingstonasof12-31x2.htm EX-96.3 270881
12 TECHNICAL REPORT SUMMARY - MARFORK MINING COMPLEX finalmarforkasof12-31x20.htm EX-96.4 349294
13 TECHNICAL REPORT SUMMARY - VIRGINIA COMPLEX finalvirginiapropertiesa.htm EX-96.5 455804
14 TECHNICAL REPORT SUMMARY - ELK RUN COMPLEX finalelkrunasof12-31x202.htm EX-96.6 230122
15 TECHNICAL REPORT SUMMARY - POWER MOUNTAIN UNDERGROUND COMPLEX finalpowermountainasof12.htm EX-96.7 112681
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  Complete submission text file 0001704715-26-000010.txt   220046688

Data Files

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Mailing Address 340 MARTIN LUTHER KING JR. BLVD. BRISTOL TN 37620
Business Address 340 MARTIN LUTHER KING JR. BLVD. BRISTOL TN 37620 (423) 573-0300
Alpha Metallurgical Resources, Inc. (Filer) CIK: 0001704715 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-38735 | Film No.: 26692639
SIC: 1221 Bituminous Coal & Lignite Surface Mining
(CF Office: 01 Energy & Transportation)