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CIK 0001515156 · Accelerated filer<br>Smaller reporting company

Ticker
ARQ
Exchange
Nasdaq
Industry
Miscellaneous Chemical Products
FY end
Dec 31
Entity type
operating
EIN
275472457
Phone
720-598-3500
Business address
8051 E. MAPLEWOOD AVE., STE 210, GREENWOOD VILLAGE, CO, 80111
Former names
Advanced Emissions Solutions, Inc.
Open-market buys, last 90 days
$56,214
in 3 filings
Open-market sales, last 90 days
$0
in 0 filings

Net +$56,214. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Steinmetz Shimon +$56K Chief Financial Officer 3 filings
Date Insider Transaction Shares Price Value Owned after
2026-07-17 Rasmus Robert E. Chief Executive Officer Returned to the company · Restricted Stock Units −400,000 0
2026-07-17 Rasmus Robert E. Chief Executive Officer Grant or award · Restricted Stock Units +400,000 400,000
2026-07-01 EICHER CAROL S Director Grant or award +24,641 198,651
2026-07-01 Blank Jeremy Director Grant or award +49,283 128,045
2026-07-01 Bergman Laurie Director Grant or award +24,641 76,343
2026-07-01 McIntyre Julian Alexander Director Grant or award +49,283 108,261
2026-07-01 Campbell-Breeden Richard Director Grant or award +49,283 136,151
2026-05-04 Voncannon Jay Loring Chief Financial Officer Sale −16,709 $2.27 $38K 48,291
2026-03-23 Wong Joseph M Chief Technology Officer Shares withheld for taxes −10,085 $2.27 $23K 390,601
2026-03-23 Smith Claiborne Benson Gen Counsel, Corp Secretary Shares withheld for taxes −8,025 $2.27 $18K 94,466
2026-03-23 Hansen Stacia Chief Accounting Officer Shares withheld for taxes −8,894 $2.27 $20K 64,305
2026-03-23 Rasmus Robert E. Chief Executive Officer Shares withheld for taxes −845 $2.27 $2K 479,937
2026-03-23 Campbell-Breeden Richard Director Purchase +150,000 $2.21 $332K 404,786
2026-03-17 Wong Joseph M Chief Technology Officer Purchase +10,000 $1.89 $19K 400,686
2026-03-16 Smith Claiborne Benson Gen Counsel, Corp Secretary Purchase +1,000 $1.92 $2K 102,491
2026-03-13 EICHER CAROL S Director Purchase +77,500 $1.95 $151K 174,010
2026-03-12 Smith Claiborne Benson Gen Counsel, Corp Secretary Purchase +1,000 $1.92 $2K 101,491
2026-02-27 Wong Joseph M Chief Technology Officer Option exercise +40,286 408,024
2026-02-27 Wong Joseph M Chief Technology Officer Shares withheld for taxes −17,338 $3.51 $61K 390,686
2026-02-27 Wong Joseph M Chief Technology Officer Option exercise · Performance Share Units −30,225 0

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