8051 E. MAPLEWOOD AVE., STE 210, GREENWOOD VILLAGE, CO
Appoints Peter Owino as Chief Accounting Officer
Reports Second Quarter 2026 Results
News, Material Contracts
Stacia Hansen Resigns as Chief Accounting Officer; Separation Agreement Executed
Appointment of Peter Owino as Interim Chief Accounting Officer
Approval of 2026 Omnibus Incentive Plan at Arq, Inc. Annual Meeting
Strengthens Executive Team with Appointment of Shimon Steinmetz as Chief Financial Officer
Reports First Quarter 2026 Results
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Q1
FY 2025
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FY 2024
Registration Statement for Securities to be Offered to Employees
Amended Registration of Securities
Prospectus filed pursuant to Rule 424(b)(5)
Effectiveness Notice
Registration Statement for Securities Offered under a Shelf Registration
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Statement of Changes in Beneficial Ownership
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