0001950047-23-005565.txt : 20231201 0001950047-23-005565.hdr.sgml : 20231201 20231201162226 ACCESSION NUMBER: 0001950047-23-005565 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231201 DATE AS OF CHANGE: 20231201 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ARCH RESOURCES, INC. CENTRAL INDEX KEY: 0001037676 STANDARD INDUSTRIAL CLASSIFICATION: BITUMINOUS COAL & LIGNITE SURFACE MINING [1221] IRS NUMBER: 430921172 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-13105 FILM NUMBER: 231459850 BUSINESS ADDRESS: STREET 1: CITY PLACE ONE STE 300 STREET 2: ARCH MINERAL CORP CITY: ST LOUIS STATE: MO ZIP: 63141 BUSINESS PHONE: 3149942700 MAIL ADDRESS: STREET 1: CITYPLACE ONE SUITE 300 STREET 2: ARCH MINERAL CORP CITY: CREVE COEUR STATE: MO ZIP: 63141 FORMER COMPANY: FORMER CONFORMED NAME: ARCH COAL INC DATE OF NAME CHANGE: 19970715 FORMER COMPANY: FORMER CONFORMED NAME: ARCH MINERAL CORP DATE OF NAME CHANGE: 19970411 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Ziegler John A. CENTRAL INDEX KEY: 0001546424 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: ONE CITYPLACE DRIVE STREET 2: SUITE 300 CITY: ST. LOUIS STATE: MO ZIP: 63141 144 1 primary_doc.xml 144 0001546424 XXXXXXXX LIVE 0001037676 ARCH RESOURCES INC CL A 001-13105 One City Place Drive, Suite 300 St. Louis MO 63141 3149942700 JOHN ZIEGLER Jr. Officer COMMON Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 38th Fl. New York NY 10004

5000 829800.00 18369000 12/01/2023 NYSE Common 11/23/2019 Restricted Stock Units Issuer N 5000 11/23/2019 N/A N 10b5-1 Sales Plan for JOHN A ZIEGLER JR.

One City Place Drive, Suite 300 St. Louis MO 63141

Common 10/13/2023 189 29334.69 The securities to be sold were acquired upon the vesting of restricted stock units during the period of 11/23/2019 through 02/27/2023 12/01/2023 12/09/2022 /s/ John Ziegler Jr