Arq, Inc. (ARQ)
NASDAQ: ARQ · Real-Time Price · USD
2.040
+0.260 (14.61%)
At close: Mar 12, 2026, 4:00 PM EDT
1.951
-0.089 (-4.38%)
After-hours: Mar 12, 2026, 6:08 PM EDT
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.
| 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 |
| ISIN Number | US00770C1018 |
| Employer ID | 27-5472457 |
| SIC Code | 2890 |
Key Executives
| Name | Position |
|---|---|
| Robert E. Rasmus | Chief Executive Officer, President and Director |
| Jeremy D. Williamson | Chief Operating Officer |
| Dr. Joseph M. Wong Ph.D. | Chief Technology Officer |
| Stacia Hansen | Chief Accounting Officer and Principal Financial Officer |
| Anthony Nathan | Investor and Corporate Relations |
| Clay Smith | General Counsel and Secretary |
| Jeanette McQueeney | Vice President of Sales and Marketing |
| Lorraine Lang | Vice President of Human Resources |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Mar 12, 2026 | SCHEDULE 13G | Filing |
| Mar 10, 2026 | 10-K | Annual Report |
| Mar 10, 2026 | 8-K | Current Report |
| Mar 3, 2026 | 8-K | Current Report |
| Jan 29, 2026 | 8-K | Current Report |
| Jan 28, 2026 | SCHEDULE 13G/A | Filing |
| Dec 11, 2025 | 8-K | Current Report |
| Nov 5, 2025 | 8-K | Current Report |
| Nov 5, 2025 | 10-Q | Quarterly Report |
| Aug 14, 2025 | 8-K/A | [Amend] Current report |