Arq, Inc.
Close on Oct 19, 2026
- Market cap
- $74.94M
- P/E (TTM)
- –
- Dividend yield
- –
About Arq
Miscellaneous Chemical Products, SIC 2890
Arq, Inc. is an environmental technology company that produces and sells consumable air, water, and soil treatment solutions, primarily based on activated carbon and other specialty chemicals. Its advanced purification technologies include powdered activated carbon, granular activated carbon, and colloidal carbon products designed to remove pollutants such as mercury and per- and polyfluoroalkyl substances. The company serves industrial markets, coal-fired power generation utilities, municipal drinking water and wastewater treatment facilities, and soil and groundwater remediation operations.
The company operates primarily in North America across four facilities, including the Five Forks lignite coal mine in Saline, Louisiana, a manufacturing plant and a leased production and distribution facility in Coushatta, Louisiana, and an idled processing facility in Corbin, Kentucky. As of December 31, 2025, it employed 202 people, including 201 full-time personnel. The provided text details operations across Louisiana and Kentucky in the United States, alongside regulatory compliance in North America, without specifying a corporate headquarters city.
Summary of the business section of Arq's latest annual report, written by StockData.
Company profile
Company
- Legal name
- Arq, Inc.
- Founded
- 1997
- Headquarters
- Greenwood Village, CO
- Address
- 8051 E. Maplewood Ave., Ste 210 80111
- Phone
- (720) 598-3500
- Website
- arq.com
- Employees
- 202, Dec 31, 2025
- Industry
- Miscellaneous Chemical Products
- Fiscal year ends
- December 31
- Auditor
- Baker Tilly US, LLP, Denver, Colorado
Stock & identifiers
- Ticker
- ARQ
- Exchange
- Nasdaq
- Shares outstanding
- 44M, Aug 6, 2026
- Public float
- $213.40M, Jun 30, 2025
- Filer category
- Accelerated filer<br>Smaller reporting company
- Stock splits
- 2-for-1, Mar 17, 2014; 2-for-1, Mar 14, 2014
- SEC CIK
- 1515156
- CUSIP
- 00770C101
- ISIN
- US00770C1018
- LEI
- 52990086HRJSW2EZQH40
- EIN
- 27-5472457
Executives and directors
Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years
| Name | Position | Shares owned |
|---|---|---|
| Robert E. Rasmus | Chief Executive Officer, Director | 1,078,434 |
| Shimon Steinmetz | Chief Financial Officer | 368,023 |
| Peter Oluoch Owino | Chief Accounting Officer | 161,047 |
| Joseph M. Wong | Chief Technology Officer | 506,648 |
| Claiborne Benson Smith | Gen Counsel, Corp Secretary | 155,513 |
| Jay Loring Voncannon | Chief Financial Officer | 48,291 |
| Stacia Hansen | Chief Accounting Officer | 64,305 |
| Jeremy Williamson | Chief Operating Officer | 185,606 |
| Julian Alexander McIntyre | Director | 3,299,550 |
| Richard Campbell-Breeden | Director | 540,937 |
| Jeremy Blank | Director | 2,537,850 |
| Laurie Bergman | Director | 76,343 |
| Carol S. Eicher | Director | 198,651 |
CEO pay and shareholder return
Pay versus performance table from the proxy statement
| Fiscal year | CEO total pay | CEO pay actually paid | Other executives (avg) | Value of $100 invested | Peer group |
|---|---|---|---|---|---|
| FY2025 Greg Marken | $0 | $0 | $777.43K | $135 | – |
| FY2025 Robert Rasmus | $142.98K | $71.21K | $777.43K | $135 | – |
| FY2024 Greg Marken | $0 | $0 | $776.61K | $312 | – |
| FY2024 Robert Rasmus | $115.39K | $1.85M | $776.61K | $312 | – |
| FY2023 Greg Marken | $2.09M | $1.43M | $888.24K | $123 | – |
| FY2023 Robert Rasmus | $1.01M | $2.49M | $888.24K | $123 | – |
“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.
Employees
Headcount reported in annual reports
“As of December 31, 2025 , we employed 202 people, of which 201 were employed full-time, across our four facilities and strive to maintain a robust company culture.”
Corporate history
Events identified from SEC filings