Alpha Metallurgical Resources, Inc. — 4/A Filings
6 4/A filings on record
This page lists all 4/A filings submitted to the SEC by Alpha Metallurgical Resources, Inc. (AMR), sorted by most recent first. Each row links to the full filing on EdgarLookup. Alpha Metallurgical Resources, Inc. has filed 6 4/A documents with the SEC since 2017. To view all SEC filings by Alpha Metallurgical Resources, Inc., see the full filings list.
All
10-K
10-K/A
10-Q
144
3
3/A
4
4/A
424B3
425
5
8-A12B
8-K
8-K/A
ARS
CERT
CORRESP
DEF 14A
DRS
EFFECT
NT 10-K
PRE 14A
RW
S-1
S-1/A
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4/A | PRIMARY DOCUMENT | 0001812746-25-000005 | Dec 16, 2025 | Dec 9, 2025 |
| 4/A | 4/A | 0000950170-24-137573 | Dec 17, 2024 | Dec 13, 2024 |
| 4/A | 4/A | 0000950170-24-137562 | Dec 17, 2024 | Dec 13, 2024 |
| 4/A | FORM 4/A | 0001567619-22-006889 | Mar 14, 2022 | Mar 9, 2022 |
| 4/A | — | 0000950103-19-005381 | Apr 29, 2019 | Apr 18, 2019 |
| 4/A | — | 0000950103-19-003101 | Mar 5, 2019 | Feb 28, 2019 |