Arq, Inc. (ARQ)
NASDAQ: ARQ · Real-Time Price · USD
2.410
+0.070 (2.99%)
Jun 29, 2026, 10:33 AM EDT - Market open

Company Description

Arq, Inc., an environmental technology company, engages in the sale of consumable air, water, and soil treatment solutions based on activated carbon in the United States and Canada.

Its products include granular activated carbon, powdered activated carbon, and colloidal carbon products; and additives for air emissions control.

The company’s products are used in various applications, including water treatment, ground water remediation, soil sediments, air emissions, and asphalt additives.

The company was formerly known as Advanced Emissions Solutions, Inc. and changed its name to Arq, Inc. in February 2024.

Arq, Inc. was founded in 1997 and is headquartered in Greenwood Village, Colorado.

Arq, Inc.
Arq, Inc. logo
Country United States
Founded 1996
Industry Pollution & Treatment Controls
Sector Industrials
Employees 202
CEO Robert Rasmus

Contact Details

Address:
8051 East Maplewood Avenue, Suite 210
Greenwood Village, Colorado 80111
United States
Phone 720 598 3500
Website arq.com

Stock Details

Ticker Symbol ARQ
Exchange NASDAQ
Stock Type Common Stock
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001515156
CUSIP Number 00770C101
ISIN Number US00770C1018
Employer ID 27-5472457
SIC Code 2890

Key Executives

Name Position
Clay Smith General Counsel and Secretary

Latest SEC Filings

Date Type Title
Jun 26, 2026 S-8 Securities to be offered to employees in employee benefit plans
Jun 18, 2026 8-K Current Report
Jun 11, 2026 8-K Current Report
May 27, 2026 8-K Current Report
May 6, 2026 8-K Current Report
May 6, 2026 10-Q Quarterly Report
May 1, 2026 8-K Current Report
Apr 28, 2026 ARS Filing
Apr 28, 2026 DEFA14A Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Apr 28, 2026 DEF 14A Other definitive proxy statements