Arq Inc.

Last updated September 27, 2026

Organization details

Legal name
Arq Inc.
Former names
Advanced Emissions Solutions, Inc.
Ownership
Public
Status
Active
Sector (GICS)
Materials
SIC code
2890 — Miscellaneous Chemical Products
Headquarters city
Greenwood Village
Headquarters state / province
Colorado
Headquarters country
United States
Fiscal year end
December
Ticker symbol
ARQ
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001515156
EIN
27-5472457

Board of directors

Chief executives

Robert E. Rasmus · Chief Executive Officer
Since July 2023
63 CEO score

Solid · grade C

Out of 100, from shareholder return, dividends, growth and acquisitions.

Partial: only 20% of the scoring weight is on file.

Revenue growth 20%
63

5.3% a year in revenue

20% of the scoring weight is on file. Figures cover December 2022 – December 2025.

Director election results

Annual meeting of June 10, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

3 of this board's directors also sit on 4 other boards.

Network of Arq Inc.'s board connections NextDecade Corporation NextDecade Corporation Pinnacle West Capital Corporation Pinnacle West Capital... QNB Corp. QNB Corp. Tennant Company Tennant Company Carol S. Eicher Carol S. Eicher Laurie Bergman Laurie Bergman Louis Spencer Wells Louis Spencer Wells Arq Inc.
Shared director Other board Same sector

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$561,625
11 purchases by 5 insiders
Sold, last 12 months
$37,929
1 sale by 1 insider
Date Insider Transaction Shares Price Value
Sep 8, 2026 Steinmetz Shimon Officer (Chief Financial Officer) Open-market purchase +1,098 $2.34 $2,569
Sep 8, 2026 Steinmetz Shimon Officer (Chief Financial Officer) Open-market purchase +1,874 $2.34 $4,385
Sep 4, 2026 Steinmetz Shimon Officer (Chief Financial Officer) Open-market purchase +1,402 $2.29 $3,211
Sep 4, 2026 Steinmetz Shimon Officer (Chief Financial Officer) Open-market purchase +4,356 $2.27 $9,888
Sep 3, 2026 Steinmetz Shimon Officer (Chief Financial Officer) Open-market purchase +7,500 $2.22 $16,650
Sep 3, 2026 Steinmetz Shimon Officer (Chief Financial Officer) Open-market purchase +8,770 $2.23 $19,557
Sep 1, 2026 Owino Peter Oluoch Officer (Chief Accounting Officer) Grant or award +100,000 — —
Sep 1, 2026 Owino Peter Oluoch Officer (Chief Accounting Officer) Grant or award +61,047 — —
Aug 14, 2026 Wong Joseph M Officer (Chief Technology Officer) Grant or award +55,000 — —
Aug 1, 2026 Wong Joseph M Officer (Chief Technology Officer) Grant or award +61,047 — —
Aug 1, 2026 Smith Claiborne Benson Officer (Gen Counsel, Corp Secretary) Grant or award +61,047 — —
Aug 1, 2026 Steinmetz Shimon Officer (Chief Financial Officer) Grant or award +93,023 — —
Jul 31, 2026 Steinmetz Shimon Officer (Chief Financial Officer) Grant or award +250,000 — —
Jul 1, 2026 Richard Campbell-Breeden Director Grant or award +49,283 — —
Jul 1, 2026 Julian Alexander McIntyre Director Grant or award +49,283 — —

Organizations in the same sector, closest in location and size first.

Questions about Arq Inc.

Who is the CEO of Arq Inc.?

Robert E. Rasmus has been Arq Inc.'s Chief Executive Officer since July 2023.

How many directors are on Arq Inc.'s board?

Arq Inc.'s board has 7 directors: Carol S. Eicher, Jeremy Blank, Julian Alexander McIntyre, Laurie Bergman, Louis Spencer Wells, Richard Campbell-Breeden and Robert E. Rasmus.

Are Arq Inc. insiders buying or selling shares?

Over the last 12 months, Arq Inc. insiders bought $561,625 of shares in 11 purchases and sold $37,929 of shares in 1 sale on the open market, as reported to the SEC on Forms 4 and 5.

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