8051 E. MAPLEWOOD AVE., STE 210, GREENWOOD VILLAGE, CO
Arq, Inc. Enters Fifth Amendment to Revolving Credit Agreement
Financial Results, Press Release
Fourth Amendment to Credit Agreement - Arq, Inc. Extends Liquidity Covenant
Material Contracts
Second Amendment to Credit Agreement - Arq, Inc. Adjusts Liquidity Covenants
Reports Third Quarter 2025 Results
Amended material disclosure
Reports Second Quarter 2025 Results
FY 2025
Q3
Q2
Q1
FY 2024
Amended Registration of Securities
Prospectus filed pursuant to Rule 424(b)(5)
Effectiveness Notice
Registration Statement for Securities Offered under a Shelf Registration
Registration Statement for Securities to be Offered to Employees
Prospectus filed pursuant to Rule 424(b)(3)
Definitive Proxy Statement
Additional Proxy Materials
PRE 14A
Statement of Changes in Beneficial Ownership
Correspondence
Submission Upload
S-8 POS