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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001104659-22-127904
Filing Date
2022-12-16
Accepted
2022-12-16 17:00:54
Documents
13
Period of Report
2022-12-12
Items
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 FORM 8-K tm2232601d1_8k.htm   iXBRL 8-K 28415
2 EXHIBIT 3.1 tm2232601d1_ex3-1.htm EX-3.1 180841
  Complete submission text file 0001104659-22-127904.txt   426397

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA arch-20221212.xsd EX-101.SCH 3033
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE arch-20221212_lab.xml EX-101.LAB 34476
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE arch-20221212_pre.xml EX-101.PRE 22595
7 EXTRACTED XBRL INSTANCE DOCUMENT tm2232601d1_8k_htm.xml XML 3725
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. (Filer) CIK: 0001037676 (see all company filings)

IRS No.: 430921172 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-13105 | Film No.: 221468694
SIC: 1221 Bituminous Coal & Lignite Surface Mining