Event Type
Disclosure
Mandatory
Variant
8-K
Entry into a Material Definitive Agreement. On February 27, 2026 , Arq, Inc. (the "Company") and certain of its subsidiaries, entered into the fourth amendment
Financial Statements and Exhibits. (d) Exhibits Exhibit No. Description 10.1 Amendment No. 4 , dated as of February 27 , 2026, to Credit, Security and Guaranty