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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001704715-21-000026
Filing Date
2021-03-15
Accepted
2021-03-15 07:42:24
Documents
158
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 10-K amr-20201231.htm   iXBRL 10-K 4633854
2 SPECIMEN CERTIFICATE FOR SHARES OF COMMON STOCK a12312020exhibit41.htm EX-4.1 1488
3 DESCRIPTION OF SECURITIES REGISTERED a12312020exhibit42.htm EX-4.2 27938
4 AMENDED AND RESTATED NON-EMPLOYEE DIRECTOR COMPENSATION POLICY a12312020exhibit1043.htm EX-10.43 34963
5 LIST OF SUBSIDIARIES OF ALPHA METALLURGICAL RESOURCES, INC. a12312020exhibit211.htm EX-21.1 27473
6 CONSENT OF RSM US LLP a12312020exhibit231.htm EX-23.1 2482
7 CONSENT OF KPMG LLP a12312020exhibit232.htm EX-23.2 3188
8 CONSENT OF MARSHALL MILLER & ASSOCIATES, DATED MARCH 15, 2021 a12312020exhibit233.htm EX-23.3 6201
9 CERTIFICATIONS PURSUANT TO RULE 13A-14(A) UNDER THE SECURITIES EXCHANGE ACT a12312020exhibit31.htm EX-31 12198
10 CERTIFICATIONS PURSUANT TO 18 U.S.C. SECTION 1350 a12312020exhibit32.htm EX-32 6596
11 MINE SAFETY DISCLOSURE a12312020exhibit95.htm EX-95 242076
17 amr-20201231_g1.jpg GRAPHIC 248544
18 amr-20201231_g2.jpg GRAPHIC 805483
19 capture1.jpg GRAPHIC 299529
20 capture21.jpg GRAPHIC 106084
21 mmafooter1.jpg GRAPHIC 36028
22 mmaheader1.jpg GRAPHIC 40643
  Complete submission text file 0001704715-21-000026.txt   25191458

Data Files

Seq Description Document Type Size
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13 INLINE XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT amr-20201231_cal.xml EX-101.CAL 225665
14 INLINE XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT amr-20201231_def.xml EX-101.DEF 867686
15 INLINE XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT amr-20201231_lab.xml EX-101.LAB 1584695
16 INLINE XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT amr-20201231_pre.xml EX-101.PRE 1195799
23 EXTRACTED XBRL INSTANCE DOCUMENT amr-20201231_htm.xml XML 4394299
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)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-38735 | Film No.: 21739827
SIC: 1221 Bituminous Coal & Lignite Surface Mining