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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001104659-21-114011
Filing Date
2021-09-09
Accepted
2021-09-09 07:10:34
Documents
14
Period of Report
2021-09-09
Items
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 FORM 8-K tm2127191d1_8k.htm   iXBRL 8-K 25901
2 EXHIBIT 99.1 tm2127191d1_ex99-1.htm EX-99.1 10375
6 GRAPHIC tm2127191d1_ex99-1.jpg GRAPHIC 3256
  Complete submission text file 0001104659-21-114011.txt   219678

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA aci-20210909.xsd EX-101.SCH 3185
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE aci-20210909_lab.xml EX-101.LAB 34593
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE aci-20210909_pre.xml EX-101.PRE 22711
7 EXTRACTED XBRL INSTANCE DOCUMENT tm2127191d1_8k_htm.xml XML 3611
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.: 211243500
SIC: 1221 Bituminous Coal & Lignite Surface Mining