Comparable stake leader
Alex Scott Cushner
SEC ownership of Aqua Metals, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001621832.
Disclosed value leader
Stephen Cotton
Comparable rows
1/44
Latest evidence
13 Oct 2026
- Public ticker
- AQMS on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Alex Scott Cushner
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
1 of 44
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Alex Scott Cushner
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
13 Oct 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001621832
- Issuer location
- Mccarran, NV
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Aqua Metals, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Alex Scott Cushner
Disclosed value leader
Stephen Cotton
Comparable rows
1/44
Latest evidence
13 Oct 2026
13D/G
3/4/5
13F
Lead comparable stake: 12%
43 rows are not safely comparable across share classes.
13D/G row: Alex Scott Cushner
Showing 1-8 of 44 holder rows.
Quick read
Alex Scott Cushner leads the comparable SEC ownership view at 12%.
1 of 44 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Alex Scott Cushner's linked filing trail.
Comparable ownership
Top 1
Alex Scott Cushner
12%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 44 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Alex Scott Cushner |
13D/G
Alex Cushner
|
12%
Reported 13D/G
· 31 Dec 2024
|
$108,424
834,032 shares
|
$0 | 31 Dec 2024 |
| Stephen Cotton |
3/4/5
Chief Executive Officer, Director
|
—
denominator unverified
|
$1,016,569
351,742 shares
|
— | 13 Oct 2026 |
| Judd Merrill |
3/4/5
Chief Financial Officer
|
—
mixed-class rows
|
$621,827
427,391 shares
mixed-class rows
|
— | 20 Feb 2025 |
| David L. Kanen |
3/4/5
Director
|
—
denominator unverified
|
$495,111
626,722 shares
|
— | 05 Jul 2023 |
| Eric West |
3/4/5
Chief Financial Officer
|
—
denominator unverified
|
$324,257
112,196 shares
|
— | 13 Oct 2026 |
| STIFEL FINANCIAL CORP |
13F
Company
|
—
denominator unverified
|
$296,636
102,642 shares
|
— | 30 Jun 2026 |
| Benjamin S. Taecker |
3/4/5
Chief Eng and Opr Officer
|
—
denominator unverified
|
$280,302
96,987 shares
|
— | 13 Oct 2026 |
| David McMurtry |
3/4/5
Chief Business Officer
|
—
mixed-class rows
|
$219,609
711,277 shares
mixed-class rows
|
— | 01 Jul 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 06 Nov 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-12 of 12 reporting-owner rows connected to Aqua Metals, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
12
Largest Forms 3/4/5 holder
Stephen Cotton
Net 12M change
$0
Latest report
13 Oct 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Stephen Cotton | Chief Executive Officer, Director | $1,016,569 | Mixed | 13 Oct 2026 | ||
| Judd Merrill | Chief Financial Officer | $621,827 | Mixed | 20 Feb 2025 | ||
| David L. Kanen | Director | $495,111 | Mixed | 05 Jul 2023 | ||
| Eric West | Chief Financial Officer | $324,257 | Mixed | 13 Oct 2026 | ||
| Benjamin S. Taecker | Chief Eng and Opr Officer | $280,302 | Mixed | 13 Oct 2026 | ||
| David McMurtry | Chief Business Officer | $219,609 | Mixed | 01 Jul 2024 | ||
| Peifang Zhang | Director | $139,457 | Mixed | 06 May 2025 | ||
| Edward J. Smith | Director | $139,443 | Mixed | 01 Jul 2024 | ||
| Vincent L. Divito | Director | $76,304 | Mixed | 24 Aug 2026 | ||
| Eric John Gangloff | Director | $64,585 | Mixed | 24 Aug 2026 | ||
| Steven K. Henderson | Director | $48,669 | Mixed | 24 Aug 2026 | ||
| Sung Yi | Director | $41,145 | Filing P/S | 14 May 2024 |
Recent insider transactions for Aqua Metals, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Stephen Cotton | AQMS | Common Stock | Tax liability | -0.66% | -2,352 | 351,742 | 13 Oct 2026 | Direct | ||
| Stephen Cotton | AQMS | Common Stock | Award | 11.1% | 35,310 | 354,094 | 13 Oct 2026 | Direct | ||
| Benjamin S. Taecker | AQMS | Common Stock | Tax liability | -0.73% | -716 | 96,987 | 13 Oct 2026 | Direct | ||
| Benjamin S. Taecker | AQMS | Common Stock | Award | 12% | 10,429 | 97,703 | 13 Oct 2026 | Direct | ||
| Eric West | AQMS | Common Stock | Tax liability | -0.76% | -863 | 112,196 | 13 Oct 2026 | Direct | ||
| Eric West | AQMS | Common Stock | Award | 12.5% | 12,583 | 113,059 | 13 Oct 2026 | Direct | ||
| Steven K. Henderson | AQMS | Common Stock | Award | 162.6% | 10,427 | 16,840 | 24 Aug 2026 | Direct | ||
| Vincent L. Divito | AQMS | Common Stock | Award | 145.4% | 15,641 | 26,402 | 24 Aug 2026 | Direct | ||
| Eric John Gangloff | AQMS | Common Stock | Award | 87.5% | 10,427 | 22,347 | 24 Aug 2026 | Direct | ||
| Stephen Cotton | AQMS | Common Stock | Award | 49% | 104,818 | 318,784 | 24 Aug 2026 | Direct | ||
| Eric West | AQMS | Common Stock | Award | 59.2% | 37,352 | 100,476 | 24 Aug 2026 | Direct | ||
| Benjamin S. Taecker | AQMS | Common Stock | Award | 55% | 30,958 | 87,274 | 24 Aug 2026 | Direct | ||
| Benjamin S. Taecker | AQMS | Common Stock | Tax liability | -1.75% | -1,005 | 56,316 | 19 Aug 2026 | Direct | ||
| Eric West | AQMS | Common Stock | Tax liability | -1.89% | -1,213 | 63,124 | 19 Aug 2026 | Direct | ||
| Stephen Cotton | AQMS | Common Stock | Tax liability | -1.52% | -3,305 | 213,966 | 19 Aug 2026 | Direct | ||
| Benjamin S. Taecker | AQMS | Common Stock | Tax liability | -1.28% | -744 | 57,321 | 01 Jul 2026 | Direct | ||
| Stephen Cotton | AQMS | Common Stock | Tax liability | -1.09% | -2,402 | 217,271 | 01 Jul 2026 | Direct | ||
| Eric West | AQMS | Common Stock | Tax liability | -1.11% | -721 | 64,337 | 19 May 2026 | Direct | ||
| Eric West | AQMS | Common Stock | Tax liability | -1.31% | -863 | 65,058 | 13 Apr 2026 | Direct | ||
| Benjamin S. Taecker | AQMS | Common Stock | Tax liability | -1.22% | -715 | 58,065 | 13 Apr 2026 | Direct | ||
| Stephen Cotton | AQMS | Common Stock | Tax liability | -1.06% | -2,352 | 219,673 | 13 Apr 2026 | Direct | ||
| Stephen Cotton | AQMS | Common Stock | Tax liability | -1.47% | -3,307 | 222,025 | 24 Feb 2026 | Direct | ||
| Benjamin S. Taecker | AQMS | Common Stock | Tax liability | -1.68% | -1,006 | 58,780 | 24 Feb 2026 | Direct | ||
| Eric West | AQMS | Common Stock | Tax liability | -1.81% | -1,214 | 65,921 | 24 Feb 2026 | Direct | ||
| Eric West | AQMS | Common Stock | Award | 73.3% | 28,390 | 67,135 | 13 Feb 2026 | Direct | ||
| Stephen Cotton | AQMS | Common Stock | Award | 54.9% | 79,873 | 225,332 | 13 Feb 2026 | Direct | ||
| Benjamin S. Taecker | AQMS | Common Stock | Award | 63.9% | 23,306 | 59,786 | 13 Feb 2026 | Direct | ||
| Benjamin S. Taecker | AQMS | Common Stock | Disposed to Issuer | -0.04% | -13 | 36,480 | 07 Jan 2026 | Direct | ||
| Benjamin S. Taecker | AQMS | Performance Share Units | Disposed to Issuer | -100% | -2,658 | 0 | 07 Jan 2026 | Direct | ||
| Stephen Cotton | AQMS | Common Stock | Disposed to Issuer | -1.42% | -2,100 | 145,459 | 07 Jan 2026 | Direct | ||
| Stephen Cotton | AQMS | Performance Share Units | Disposed to Issuer | -100% | -9,060 | 0 | 07 Jan 2026 | Direct | ||
| Stephen Cotton | AQMS | Common Stock | Tax liability | -2.13% | -3,208 | 147,559 | 02 Jan 2026 | Direct | ||
| Benjamin S. Taecker | AQMS | Common Stock | Tax liability | -2.61% | -979 | 36,493 | 02 Jan 2026 | Direct | ||
| Stephen Cotton | AQMS | Common Stock | Tax liability | -3.98% | -6,247 | 150,767 | 18 Dec 2025 | Direct | ||
| Stephen Cotton | AQMS | Common Stock | Award | 10.4% | 14,749 | 157,014 | 18 Dec 2025 | Direct | ||
| Eric West | AQMS | Common Stock | Tax liability | -1.82% | -720 | 38,745 | 20 Nov 2025 | Direct |
* marks a reported price that did not pass the local price check.