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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
2026-02-27 Williamson Jeremy Chief Operating Officer Option exercise +68,600 203,888
2026-02-27 Williamson Jeremy Chief Operating Officer Shares withheld for taxes −18,282 $3.51 $64K 185,606
2026-02-27 Williamson Jeremy Chief Operating Officer Option exercise · Performance Share Units −51,467 0
2026-02-27 Smith Claiborne Benson Gen Counsel, Corp Secretary Option exercise +28,229 110,667
2026-02-27 Smith Claiborne Benson Gen Counsel, Corp Secretary Shares withheld for taxes −10,176 $3.51 $36K 100,491
2026-02-27 Smith Claiborne Benson Gen Counsel, Corp Secretary Option exercise · Performance Share Units −21,179 0
2025-11-11 Voncannon Jay Loring Chief Financial Officer Purchase +6,000 $3.55 $21K 65,000
2025-11-11 Campbell-Breeden Richard Director Purchase +28,638 $3.54 $101K 254,786
2025-11-10 Voncannon Jay Loring Chief Financial Officer Purchase +9,000 $3.74 $34K 59,000
2025-11-10 Rasmus Robert E. Chief Executive Officer Purchase +50,000 $3.79 $190K 70,718
2025-09-25 McIntyre Julian Alexander Director Other disposition −30,000 3,191,289
2025-09-18 Williamson Jeremy Chief Operating Officer Shares withheld for taxes −2,029 $7.00 $14K 135,288
2025-08-04 Wong Joseph M Chief Technology Officer Sale −3,052 $5.20 $16K 367,738
2025-08-04 Smith Claiborne Benson Gen Counsel, Corp Secretary Sale −2,591 $5.20 $13K 82,438
2025-08-04 Hansen Stacia Chief Accounting Officer Sale −2,742 $5.20 $14K 73,199
2025-08-04 Williamson Jeremy Chief Operating Officer Sale −1,782 $5.20 $9K 137,317
2025-07-01 McIntyre Julian Alexander Director Grant or award +21,828 58,978
2025-07-01 Campbell-Breeden Richard Director Grant or award +29,104 86,868
2025-07-01 Blank Jeremy Director Grant or award +29,104 78,762
2025-07-01 EICHER CAROL S Director Grant or award +14,552 96,510

Page 3 of 28 · 552 trades