0001950047-24-000378.txt : 20240119 0001950047-24-000378.hdr.sgml : 20240119 20240119161449 ACCESSION NUMBER: 0001950047-24-000378 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240119 DATE AS OF CHANGE: 20240119 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ARCH RESOURCES, INC. CENTRAL INDEX KEY: 0001037676 STANDARD INDUSTRIAL CLASSIFICATION: BITUMINOUS COAL & LIGNITE SURFACE MINING [1221] ORGANIZATION NAME: 01 Energy & Transportation 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: 24545757 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: Klein Rosemary L CENTRAL INDEX KEY: 0001310202 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 575 MARYVILLE CENTRE DRIVE CITY: ST. LOUIS STATE: MO ZIP: 63141 144 1 primary_doc.xml 144 0001310202 XXXXXXXX LIVE 0001037676 ARCH RESOURCES INC CL A 001-13105 One City Place Drive, Suite 300 St. Louis MO 63141 3149942700 ROSEMARY L KLEIN Officer COMMON Morgan Stanley Smith Barney LLC Executive Financial Services

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

1708 303938.60 18369460 01/19/2024 NYSE Common 02/10/2023 Restricted Stock Units Issuer N 1708 02/10/2023 N/A N 10b5-1 Sales Plan for ROSEMARY L KLEIN

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

COMMON 11/24/2023 158 26070.00 The securities to be sold were acquired upon the vesting of restricted stock units during the period of 02/10/2023 through 02/27/2023 01/19/2024 12/07/2022 /s/ Rosemary L. Klein