8051 E. MAPLEWOOD AVE., STE 210, GREENWOOD VILLAGE, CO
Market cap: $111.7M (1/30/2024)
Price: $3.36
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
Achieves Major Milestone with Successful Commissioning of First Granular Activated Carbon Line
Changing the Company's Accountant
Changes in Board, Management or Compensation, Shareholder votes, Other Events
Q3
Q2
Q1
FY 2024
FY 2023
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)
Additional Proxy Materials
Definitive Proxy Statement
PRE 14A
Amended Schedule 13G - Ownership Report
Statement of Changes in Beneficial Ownership
Correspondence
Submission Upload
S-8 POS
Confidential Treatment Order
Amended Tender Offer Statement by Issuer