According to recent filings covering the 90 days ending January 14, 2026, the three most significant insider holders at Aqua Metals are Chief Executive Officer Stephen Cotton (145.46K shares), Chief Financial Officer Eric West (38.74K shares), Chief Eng And Opr Officer Benjamin S. Taecker (36.48K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| David Mcmurtry | Chief Business Officer | 343 | 03 Jul, 2024 |
| David Kanen | 261 | 05 Jan, 2023 | |
| Edward J Smith | 179 | 03 Jul, 2024 | |
| Judd Merrill | Chief Financial Officer | 24,412 | 24 Feb, 2025 |
| Stephen Cotton | Chief Executive Officer | 145,459 | 09 Jan, 2026 |
| Eric John Gangloff | 11,921 | 08 May, 2025 | |
| Vincent L Divito | 10,762 | 08 May, 2025 | |
| Sung Yi | 53 | 16 May, 2024 | |
| Peifang Zhang | 8,609 | 08 May, 2025 | |
| Steven K Henderson | 6,414 | 08 May, 2025 | |
| Eric West | Chief Financial Officer | 38,745 | 24 Nov, 2025 |
| Benjamin S. Taecker | Chief Eng And Opr Officer | 36,480 | 09 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 07 Jan, 2026 | Stephen Cotton | Common Stock | D | 2,100 | $0.00 | 145,459 | D | D |
| 07 Jan, 2026 | Benjamin S. Taecker | Common Stock | D | 13 | $0.00 | 36,480 | D | D |
| 02 Jan, 2026 | Stephen Cotton | Common Stock | D | 3,208 | $4.80 | 147,559 | D | F |
| 02 Jan, 2026 | Benjamin S. Taecker | Common Stock | D | 979 | $4.80 | 36,493 | D | F |
| 18 Dec, 2025 | Stephen Cotton | Common Stock | A | 14,749 | $0.00 | 157,014 | D | A |
| 18 Dec, 2025 | Stephen Cotton | Common Stock | D | 6,247 | $5.46 | 150,767 | D | F |
| 20 Nov, 2025 | Eric West | Common Stock | D | 720 | $9.80 | 38,745 | D | F |
| 13 Oct, 2025 | Stephen Cotton | Common Stock | A | 33,320 | $9.58 | 142,265 | D | A |
| 13 Oct, 2025 | Benjamin S. Taecker | Common Stock | A | 10,132 | $9.58 | 37,472 | D | A |
| 13 Oct, 2025 | Eric West | - | - | 39,465 | D | |||
| 13 Oct, 2025 | Eric West | Common Stock | A | 12,224 | $9.58 | 39,465 | D | A |
| 19 Sep, 2025 | Stephen Cotton | Common Stock | A | 11,250 | $0.00 | 115,369 | D | A |
| 19 Sep, 2025 | Stephen Cotton | Common Stock | D | 4,765 | $4.12 | 110,604 | D | F |
| 20 Aug, 2025 | Stephen Cotton | Common Stock | D | 1,920 | $3.68 | 104,119 | D | F |
| 20 Aug, 2025 | Benjamin S. Taecker | Common Stock | D | 564 | $3.68 | 28,315 | D | F |
| 19 Aug, 2025 | Stephen Cotton | Common Stock | A | 46,824 | $3.95 | 106,039 | D | A |
| 19 Aug, 2025 | Benjamin S. Taecker | Common Stock | A | 14,238 | $3.95 | 28,879 | D | A |
| 19 Aug, 2025 | Eric West | Common Stock | A | 17,179 | $3.95 | 27,241 | D | A |
| 01 Jul, 2025 | Stephen Cotton | Common Stock | D | 9,301 | $0.49 | 59,215 | D | F |
| 01 Jul, 2025 | Benjamin S. Taecker | Common Stock | D | 3,043 | $0.49 | 14,643 | D | F |