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Arq, Inc.

ARQ Net buying
CIK 0001515156 #4347 in the set updated 17 Sep 2026
Bought (120 mo)
$22.65M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$1.91M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$1.91M
17 of 17 sales
Net
+$20.75M
+$20.75M against sales at will

By person

26 insiders · 78 transactions
25.7×

Robert Rasmus holds 25.7 times base salary in stock. $1.29M of shares against $50.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Robert Rasmus last reported holding, valued at $2.34, the price Common Stock was last bought or sold at on the open market here, on 8 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Alta Fundamental Advisers LLC entity
Director
$12.93M (23)
$959.72K (2)
+$11.97M
4,020,776
9.21%
$9.41M
+41.6%
McIntyre Julian Alexander
Director
$4.81M (2)
+$4.81M
3,299,550
7.56%
$7.72M
+729.1%
Blank Jeremy
Director
$2.73M (2)
$617.17K (1)
+$2.12M
503,000
1.15%
$1.18M
Campbell-Breeden Richard
Director
$951.62K (4)
+$951.62K
540,937
1.24%
$1.27M
+80,277%
Rasmus Robert E.
Chief Executive Officer
$505.10K (7)
+$505.10K
550,655
1.26%
$1.29M
Wong Joseph M
Chief Technology Officer
$450.31K (7)
$46.74K (2)
+$403.57K
506,648
1.16%
$1.19M
+3,710%
EICHER CAROL S
Director
$151.01K (1)
+$151.01K
198,651
0.4549%
$464.70K
GABBARD ALAN BRADLEY
Director
$127.84K (4)
−$127.84K
34,480
0.0790%
$80.66K
−25.3%
Steinmetz Shimon
Chief Financial Officer
$56.21K (6)
+$56.21K
368,023
0.8428%
$860.92K
Smith Claiborne Benson
Gen Counsel, Corp Secretary
$3.84K (2)
$37.82K (2)
−$33.98K
155,513
0.3561%
$363.79K
+234.7%
Williamson Jeremy
Chief Operating Officer
$1.61K (1)
$33.76K (2)
−$32.15K
185,606
0.4250%
$434.19K
+3,623%
Hansen Stacia
Chief Accounting Officer
$30.91K (2)
−$30.91K
64,305
0.1473%
$150.43K
+48.4%
Voncannon Jay Loring
Chief Financial Officer
$54.97K (2)
$37.93K (1)
+$17.04K
48,291
0.1106%
$112.97K
Hanson Ron
SVP of Operations of ADA-ES
$13.66K (1)
−$13.66K
33,863
0.0775%
$79.22K
+59.2%
Sampson L Heath
President & CEO
325,905
0.7463%
$762.39K
+231.5%
Marken Greg
CEO
186,411
0.4269%
$436.07K
+578.8%
Owino Peter Oluoch
Chief Accounting Officer
161,047
0.3688%
$376.74K
Wells Louis Spencer
Director
102,927
0.2357%
$240.78K
+742.1%
Bergman Laurie
Director
76,343
0.1748%
$178.59K
Sjostrom Sharon
Chief Product Officer
66,506
0.1523%
$155.58K
+32.6%
Simonton Taylor J.
Director
65,821
0.1507%
$153.98K
+436.6%
Fields Morgan
Chief Accounting Officer
64,599
0.1479%
$151.12K
+342.4%
Johnson Derek
Director
47,000
0.1076%
$109.95K
+15.9%
Pate R Carter
Director
34,683
0.0794%
$81.13K
+458.3%
Sanders Theodore James
General Counsel
28,231
0.0646%
$66.04K
+252.8%
Leen Brian
Director
19,725
0.0452%
$46.14K
Insider
Date
Role
Action
Shares
Price
Amount
Blank Jeremy
29 Mar 2024
Director
Exercised, kept indirect
324,955
$0.01
$3.25K
Sampson L Heath
16 Aug 2019
President & CEO
Exercised, kept
92,666
$10.00
$926.66K
Sampson L Heath
16 Aug 2019
President & CEO
Exercised, kept
92,666
$9.00
$833.99K
Sampson L Heath
14 Aug 2018
President & CEO
Exercised, kept
92,666
$8.25
$764.49K

What was left out

Form 4 filings counted 205
Amendments (4/A) skipped 7
Filings about a different issuer 0
Unreadable filings 0
Joint filings 20
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 17
Transactions with no price 0
Shares from compensation/vesting 11,579,213
Sales filed before the plan box existed 8
History held since 18 Oct 2016