Arq Insider Ownership

NASDAQ ARQ
$1.84 -0.02 (-1.08%)
At close: Oct 21, 2026 · 4:00 PM EDT

Insider Holdings by Owner

5.07Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
21.62%
▼-3.91% pp QoQ
Shares Held by Insiders
9.27Mn
filed for Sep 2026
▼-15.30% QoQ
Shares Outstanding
42.89Mn
42,887,906 shares
Direct Holdings
2.60Mn
Indirect: 6.67Mn
Net Shares Traded (QoQ)
-1.68Mn
net selling in Sep 2026
Insiders Holding Shares
18
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter —
Net over range —
Buying quarters —

Insider Ownership Summary

Over the trailing 12 months, ARQ insiders bought $907,671 worth of shares (358.14K shares) and sold $37,929 worth (16.71K shares) in open-market trades.

Form 4 Holdings

Insiders Holding ARQ

Insiders 18
Shares held 5.07Mn
Of outstanding 11.81%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Fundamental Advisers Llc Alta Director 0 2,028,963 2,028,963 40.1% 03 Jul, 2024
2 Joseph M Wong Chief Technology Officer 506,648 0 506,648 10.0% 18 Aug, 2026
3 Robert E. Rasmus Chief Executive Officer 479,937 0 479,937 9.5% 25 Mar, 2026
4 Shimon Steinmetz Chief Financial Officer 353,023 15,000 368,023 7.3% 10 Sep, 2026
5 Carol S Eicher Director 198,651 0 198,651 3.9% 06 Jul, 2026
6 Greg Marken Ceo 186,411 0 186,411 3.7% 27 Mar, 2023
7 Jeremy Williamson Chief Operating Officer 185,606 0 185,606 3.7% 03 Mar, 2026
8 Peter Oluoch Owino Chief Accounting Officer 161,047 0 161,047 3.2% 03 Sep, 2026
9 Claiborne Benson Smith Gen Counsel, Corp Secretary 155,513 0 155,513 3.1% 04 Aug, 2026
10 Richard Campbell-Breeden Director 136,151 0 136,151 2.7% 06 Jul, 2026
11 Jeremy Blank Director 128,045 0 128,045 2.5% 06 Jul, 2026
12 Julian Alexander Mcintyre Director 108,261 0 108,261 2.1% 06 Jul, 2026
13 Louis Spencer Wells Director 102,927 0 102,927 2.0% 03 Jul, 2024
14 Laurie Bergman Director 76,343 0 76,343 1.5% 06 Jul, 2026
15 Taylor J. Simonton Director 65,821 0 65,821 1.3% 06 Jul, 2022
16 Morgan Fields Chief Accounting Officer 64,599 0 64,599 1.3% 21 Aug, 2023
17 Stacia Hansen Chief Accounting Officer 64,305 0 64,305 1.3% 25 Mar, 2026
18 Jay Loring Voncannon Chief Financial Officer 48,291 0 48,291 1.0% 06 May, 2026

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

533 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
08 Sep, 2026 Shimon Steinmetz Chief Financial Officer Acquired P 1,098 $2.34 $2.57K 353,023 Direct
08 Sep, 2026 Shimon Steinmetz Chief Financial Officer Acquired P 1,874 $2.34 $4.38K 15,000 Indirect
04 Sep, 2026 Shimon Steinmetz Chief Financial Officer Acquired P 1,402 $2.29 $3.21K 351,925 Direct
04 Sep, 2026 Shimon Steinmetz Chief Financial Officer Acquired P 4,356 $2.27 $9.90K 13,126 Indirect
03 Sep, 2026 Shimon Steinmetz Chief Financial Officer Acquired P 7,500 $2.22 $16.63K 350,523 Direct
03 Sep, 2026 Shimon Steinmetz Chief Financial Officer Acquired P 8,770 $2.23 $19.51K 8,770 Indirect
01 Sep, 2026 Peter Oluoch Owino Chief Accounting Officer Acquired A 100,000 $0.00 $0 100,000 Direct
01 Sep, 2026 Peter Oluoch Owino Chief Accounting Officer Acquired A 61,047 $0.00 $0 161,047 Direct
01 Sep, 2026 Peter Oluoch Owino Chief Accounting Officer Acquired A 61,047 $0.00 $0 61,047 Direct
14 Aug, 2026 Joseph M Wong Chief Technology Officer Acquired A 55,000 $0.00 $0 506,648 Direct
31 Jul, 2026 Shimon Steinmetz Chief Financial Officer Acquired A 250,000 $0.00 $0 250,000 Direct
01 Aug, 2026 Joseph M Wong Chief Technology Officer Acquired A 61,047 $0.00 $0 451,648 Direct
01 Aug, 2026 Claiborne Benson Smith Gen Counsel, Corp Secretary Acquired A 61,047 $0.00 $0 155,513 Direct
01 Aug, 2026 Shimon Steinmetz Chief Financial Officer Acquired A 93,023 $0.00 $0 343,023 Direct
01 Aug, 2026 Joseph M Wong Chief Technology Officer Acquired A 61,047 $0.00 $0 61,047 Direct
01 Aug, 2026 Claiborne Benson Smith Gen Counsel, Corp Secretary Acquired A 61,047 $0.00 $0 61,047 Direct
31 Jul, 2026 Shimon Steinmetz Chief Financial Officer Acquired A 150,000 $0.00 $0 150,000 Direct
01 Aug, 2026 Shimon Steinmetz Chief Financial Officer Acquired A 93,023 $0.00 $0 93,023 Direct
17 Jul, 2026 Robert E. Rasmus Chief Executive Officer Disposed D 400,000 $0.00 $0 0 Direct
17 Jul, 2026 Robert E. Rasmus Chief Executive Officer Acquired A 400,000 $0.00 $0 400,000 Direct