Aqua Metals AQMS Insider Ownership

NASDAQ AQMS
$1.50 +0.09 (+5.99%)
As of: Oct 21, 2026 · 3:59 PM EDT

Insider Holdings by Owner

695.30K Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
17.08%
▲+5.52% pp QoQ
Shares Held by Insiders
605.14K
filed for Sep 2026
▲+47.81% QoQ
Shares Outstanding
3.54Mn
3,543,978 shares
Direct Holdings
605.14K
Indirect: 0
Net Shares Traded (QoQ)
+195.73K
net buying in Sep 2026
Insiders Holding Shares
12
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

Across the past 12 months, Aqua Metals insiders reported no open-market purchases or sales.

Form 4 Holdings

Insiders Holding AQMS

Insiders 12
Shares held 695.30K
Of outstanding 19.62%
# Insider Position Direct Indirect Total Share of Insiders Last Filed
1 Stephen Cotton Chief Executive Officer 377,031 0 377,031 54.2% 15 Oct, 2026
2 Eric West Chief Financial Officer 112,196 0 112,196 16.1% 15 Oct, 2026
3 Benjamin S. Taecker Chief Eng And Opr Officer 98,812 0 98,812 14.2% 15 Oct, 2026
4 Vincent L Divito Director 27,639 0 27,639 4.0% 26 Aug, 2026
5 Judd Merrill Chief Financial Officer 24,412 0 24,412 3.5% 24 Feb, 2025
6 Eric John Gangloff Director 22,347 0 22,347 3.2% 26 Aug, 2026
7 Steven K Henderson Director 16,840 0 16,840 2.4% 26 Aug, 2026
8 Peifang Zhang Director 8,974 0 8,974 1.3% 08 May, 2025
9 David Mcmurtry Chief Business Officer 3,431 0 3,431 0.5% 03 Jul, 2024
10 Edward J Smith Director 2,153 0 2,153 0.3% 03 Jul, 2024
11 David Kanen Director 933 0 933 0.1% 06 Jul, 2023
12 Sung Yi Director 0 528 528 0.1% 16 May, 2024

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

419 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
Date Insider Position Transaction Shares Price Value Shares Held After Ownership
13 Oct, 2026 Stephen Cotton Chief Executive Officer Acquired A 35,310 $0.00 $0 354,094 Direct
13 Oct, 2026 Eric West Chief Financial Officer Acquired A 12,583 $0.00 $0 113,059 Direct
13 Oct, 2026 Benjamin S. Taecker Chief Eng And Opr Officer Acquired A 10,429 $0.00 $0 97,703 Direct
13 Oct, 2026 Eric West Chief Financial Officer Disposed F 863 $1.92 $1.66K 112,196 Direct
13 Oct, 2026 Stephen Cotton Chief Executive Officer Disposed F 2,352 $1.92 $4.52K 351,742 Direct
13 Oct, 2026 Benjamin S. Taecker Chief Eng And Opr Officer Disposed F 716 $1.92 $1.37K 96,987 Direct
24 Aug, 2026 Eric John Gangloff Director Acquired A 10,427 $0.00 $0 22,347 Direct
24 Aug, 2026 Vincent L Divito Director Acquired A 15,641 $0.00 $0 26,402 Direct
24 Aug, 2026 Benjamin S. Taecker Chief Eng And Opr Officer Acquired A 30,958 $0.00 $0 87,274 Direct
24 Aug, 2026 Steven K Henderson Director Acquired A 10,427 $0.00 $0 16,840 Direct
24 Aug, 2026 Eric West Chief Financial Officer Acquired A 37,352 $0.00 $0 100,476 Direct
24 Aug, 2026 Stephen Cotton Chief Executive Officer Acquired A 104,818 $0.00 $0 318,784 Direct
19 Aug, 2026 Eric West Chief Financial Officer Disposed F 1,213 $2.67 $3.24K 63,124 Direct
19 Aug, 2026 Stephen Cotton Chief Executive Officer Disposed F 3,305 $2.67 $8.82K 213,966 Direct
19 Aug, 2026 Benjamin S. Taecker Chief Eng And Opr Officer Disposed F 1,005 $2.67 $2.68K 56,316 Direct
01 Jul, 2026 Benjamin S. Taecker Chief Eng And Opr Officer Disposed F 744 $2.97 $2.21K 57,321 Direct
01 Jul, 2026 Stephen Cotton Chief Executive Officer Disposed F 2,402 $2.97 $7.13K 217,271 Direct
19 May, 2026 Eric West Chief Financial Officer Disposed F 721 $3.91 $2.82K 64,337 Direct
13 Apr, 2026 Benjamin S. Taecker Chief Eng And Opr Officer Disposed F 715 $3.92 $2.80K 58,065 Direct
13 Apr, 2026 Eric West Chief Financial Officer Disposed F 863 $3.92 $3.38K 65,058 Direct