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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
—

Individual transactions

78
Insider
Date
Role
Action
Shares
Price
Amount
Steinmetz Shimon
8 Sep 2026
Chief Financial Officer
Buy indirect
1,874
$2.34
$4.38K
Steinmetz Shimon
8 Sep 2026
Chief Financial Officer
Buy
1,098
$2.34
$2.57K
Steinmetz Shimon
4 Sep 2026
Chief Financial Officer
Buy indirect
4,356
$2.27
$9.90K
Steinmetz Shimon
4 Sep 2026
Chief Financial Officer
Buy
1,402
$2.29
$3.21K
Steinmetz Shimon
3 Sep 2026
Chief Financial Officer
Buy indirect
8,770
$2.23
$19.51K
Steinmetz Shimon
3 Sep 2026
Chief Financial Officer
Buy
7,500
$2.22
$16.63K
Voncannon Jay Loring
4 May 2026
Chief Financial Officer
Sell
16,709
$2.27
$37.93K
Campbell-Breeden Richard
23 Mar 2026
Director
Buy indirect
150,000
$2.21
$331.67K
Wong Joseph M
17 Mar 2026
Chief Technology Officer
Buy
10,000
$1.89
$18.90K
Smith Claiborne Benson
16 Mar 2026
Gen Counsel, Corp Secretary
Buy
1,000
$1.92
$1.92K
EICHER CAROL S
13 Mar 2026
Director
Buy
77,500
$1.95
$151.01K
Smith Claiborne Benson
12 Mar 2026
Gen Counsel, Corp Secretary
Buy
1,000
$1.92
$1.92K
Campbell-Breeden Richard
11 Nov 2025
Director
Buy indirect
28,638
$3.54
$101.49K
Voncannon Jay Loring
11 Nov 2025
Chief Financial Officer
Buy
6,000
$3.55
$21.31K
Rasmus Robert E.
10 Nov 2025
Chief Executive Officer
Buy indirect
50,000
$3.79
$189.59K
Voncannon Jay Loring
10 Nov 2025
Chief Financial Officer
Buy
9,000
$3.74
$33.66K
Williamson Jeremy
4 Aug 2025
Chief Operating Officer
Sell
1,782
$5.20
$9.27K
Hansen Stacia
4 Aug 2025
Chief Accounting Officer
Sell
2,742
$5.20
$14.26K
Smith Claiborne Benson
4 Aug 2025
Gen Counsel, Corp Secretary
Sell
2,591
$5.20
$13.47K
Wong Joseph M
4 Aug 2025
Chief Technology Officer
Sell
3,052
$5.20
$15.87K
Campbell-Breeden Richard
23 May 2025
Director
Buy indirect
75,000
$4.10
$307.50K
Blank Jeremy
23 May 2025
Director
Buy indirect
50,000
$4.10
$205.00K
Rasmus Robert E.
23 May 2025
Chief Executive Officer
Buy
25,000
$4.10
$102.50K
Wong Joseph M
16 May 2025
Chief Technology Officer
Buy
16,000
$4.61
$73.76K
Rasmus Robert E.
14 May 2025
Chief Executive Officer
Buy indirect
12,535
$3.93
$49.26K
Rasmus Robert E.
13 May 2025
Chief Executive Officer
Buy indirect
2,921
$4.00
$11.68K
Rasmus Robert E.
12 May 2025
Chief Executive Officer
Buy indirect
4,680
$4.00
$18.72K
Williamson Jeremy
12 May 2025
Chief Operating Officer
Buy
400
$4.02
$1.61K
Rasmus Robert E.
9 May 2025
Chief Executive Officer
Buy indirect
582
$3.60
$2.10K
Wong Joseph M
24 Mar 2025
Chief Technology Officer
Sell
6,596
$4.68
$30.87K
Williamson Jeremy
24 Mar 2025
Chief Operating Officer
Sell
5,233
$4.68
$24.49K
Smith Claiborne Benson
24 Mar 2025
Gen Counsel, Corp Secretary
Sell
5,202
$4.68
$24.35K
Hansen Stacia
24 Mar 2025
Chief Accounting Officer
Sell
3,557
$4.68
$16.65K
Rasmus Robert E.
23 Sep 2024
Chief Executive Officer
Buy
25,000
$5.25
$131.25K
Blank Jeremy
29 Mar 2024
Director
Exercised, kept indirect
324,955
$0.01
$3.25K
Wong Joseph M
21 Nov 2023
Chief Technology Officer
Buy
25,000
$2.53
$63.30K
Wong Joseph M
20 Nov 2023
Chief Technology Officer
Buy
35,000
$2.48
$86.91K
Wong Joseph M
17 Nov 2023
Chief Technology Officer
Buy
30,000
$2.45
$73.39K
Wong Joseph M
16 Nov 2023
Chief Technology Officer
Buy
25,000
$2.45
$61.21K
Wong Joseph M
16 Nov 2023
Chief Technology Officer
Buy
30,000
$2.43
$72.85K
Blank Jeremy
9 Mar 2023
Director
Sell indirect
154,293
$4.00
$617.17K
Blank Jeremy
1 Feb 2023
Director
Buy indirect
631,866
$4.00
$2.53M
McIntyre Julian Alexander
1 Feb 2023
Director
Buy indirect
6,526
$4.00
$26.10K
McIntyre Julian Alexander
1 Feb 2023
Director
Buy indirect
1,197,124
$4.00
$4.79M
Campbell-Breeden Richard
1 Feb 2023
Director
Buy indirect
52,742
$4.00
$210.97K
Alta Fundamental Advisers LLC
31 Dec 2019
Director
Buy indirect
104,444
$10.39
$1.09M
Alta Fundamental Advisers LLC
30 Dec 2019
Director
Buy indirect
21,943
$10.29
$225.72K
Alta Fundamental Advisers LLC
22 Nov 2019
Director
Buy indirect
23,843
$10.84
$258.52K
Alta Fundamental Advisers LLC
21 Nov 2019
Director
Buy indirect
62,458
$10.50
$655.53K
Alta Fundamental Advisers LLC
20 Nov 2019
Director
Buy indirect
180,542
$10.41
$1.88M
Alta Fundamental Advisers LLC
6 Sep 2019
Director
Buy indirect
10,800
$12.88
$139.05K
Alta Fundamental Advisers LLC
4 Sep 2019
Director
Buy indirect
200
$12.47
$2.49K
Alta Fundamental Advisers LLC
3 Sep 2019
Director
Buy indirect
50,000
$12.35
$617.55K
Alta Fundamental Advisers LLC
27 Aug 2019
Director
Buy indirect
25,000
$12.49
$312.21K
Alta Fundamental Advisers LLC
26 Aug 2019
Director
Buy indirect
6,747
$12.44
$83.96K
Alta Fundamental Advisers LLC
23 Aug 2019
Director
Buy indirect
19,000
$12.43
$236.22K
Alta Fundamental Advisers LLC
22 Aug 2019
Director
Buy indirect
3,200
$12.64
$40.46K
Alta Fundamental Advisers LLC
21 Aug 2019
Director
Buy indirect
25,000
$12.19
$304.86K
Alta Fundamental Advisers LLC
20 Aug 2019
Director
Buy indirect
15,700
$12.04
$188.95K
Alta Fundamental Advisers LLC
19 Aug 2019
Director
Buy indirect
40,543
$11.88
$481.51K
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
Alta Fundamental Advisers LLC
31 Dec 2018
Director
Buy indirect
55,000
$10.34
$568.79K
Alta Fundamental Advisers LLC
31 Dec 2018
Director
Sell indirect
45,000
$10.28
$462.74K
Alta Fundamental Advisers LLC
28 Dec 2018
Director
Buy indirect
55,000
$9.99
$549.31K
Alta Fundamental Advisers LLC
28 Dec 2018
Director
Sell indirect
50,000
$9.94
$496.98K
Alta Fundamental Advisers LLC
27 Dec 2018
Director
Buy indirect
10,000
$9.85
$98.53K
Sampson L Heath
14 Aug 2018
President & CEO
Exercised, kept
92,666
$8.25
$764.49K
Alta Fundamental Advisers LLC
29 Jun 2018
Director
Buy indirect
27,011
$11.29
$304.82K
Alta Fundamental Advisers LLC
28 Jun 2018
Director
Buy indirect
20,020
$11.11
$222.46K
Hanson Ron
24 May 2018
SVP of Operations of ADA-ES
Sell
1,228
$11.12
$13.66K
Alta Fundamental Advisers LLC
14 Dec 2017
Director
Buy indirect
18,246
$9.86
$179.86K
Alta Fundamental Advisers LLC
13 Dec 2017
Director
Buy indirect
244,020
$9.89
$2.41M
GABBARD ALAN BRADLEY
6 Dec 2017
Director
Sell
10,000
$8.17
$81.72K
GABBARD ALAN BRADLEY
28 Jun 2017
Director
Sell
2,000
$9.21
$18.43K
GABBARD ALAN BRADLEY
28 Jun 2017
Director
Sell
2,700
$9.20
$24.84K
GABBARD ALAN BRADLEY
23 Jun 2017
Director
Sell
300
$9.52
$2.86K
Alta Fundamental Advisers LLC
20 Jan 2017
Director
Buy indirect
231,271
$9.00
$2.08M

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