8 insiders reported 42 Form 4 transactions for Aqua Metals, Inc. (AQMS) over the past 18 months (most recent 2026-07-07). Recent activity: Cotton Stephen (Chief Executive Officer) Sell 2,402 shares, Taecker Benjamin S. (Chief Eng and Opr Officer) Sell 744 shares, West Eric (Chief Financial Officer) Sell 721 shares, Cotton Stephen (Chief Executive Officer) Sell 2,352 shares, Taecker Benjamin S. (Chief Eng and Opr Officer) Sell 715 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-07 | Cotton Stephen | Chief Executive Officer | Sell | 2,402 | $7,134 |
| 2026-07-07 | Taecker Benjamin S. | Chief Eng and Opr Officer | Sell | 744 | $2,210 |
| 2026-05-20 | West Eric | Chief Financial Officer | Sell | 721 | $2,819 |
| 2026-04-15 | Cotton Stephen | Chief Executive Officer | Sell | 2,352 | $9,220 |
| 2026-04-15 | Taecker Benjamin S. | Chief Eng and Opr Officer | Sell | 715 | $2,803 |
| 2026-04-15 | West Eric | Chief Financial Officer | Sell | 863 | $3,383 |
| 2026-02-26 | Taecker Benjamin S. | Chief Eng and Opr Officer | Sell | 1,006 | $4,789 |
| 2026-02-26 | West Eric | Chief Financial Officer | Sell | 1,214 | $5,779 |
| 2026-02-26 | Cotton Stephen | Chief Executive Officer | Sell | 3,307 | $15,741 |
| 2026-02-17 | Taecker Benjamin S. | Chief Eng and Opr Officer | Buy | 23,306 | $110,004 |
| 2026-02-17 | West Eric | Chief Financial Officer | Buy | 28,390 | $134,001 |
| 2026-02-17 | Cotton Stephen | Chief Executive Officer | Buy | 79,873 | $377,001 |
| 2026-01-09 | Cotton Stephen | Chief Executive Officer | Sell | 2,100 | $0 |
| 2026-01-09 | Taecker Benjamin S. | Chief Eng and Opr Officer | Sell | 13 | $0 |
| 2026-01-06 | Taecker Benjamin S. | Chief Eng and Opr Officer | Sell | 979 | $4,699 |
| 2026-01-06 | Cotton Stephen | Chief Executive Officer | Sell | 3,208 | $15,398 |
| 2025-12-22 | Cotton Stephen | Chief Executive Officer | Buy | 14,749 | $0 |
| 2025-12-22 | Cotton Stephen | Chief Executive Officer | Sell | 6,247 | $34,109 |
| 2025-11-24 | West Eric | Chief Financial Officer | Sell | 720 | $7,056 |
| 2025-10-15 | West Eric | Chief Financial Officer | Buy | 12,224 | $117,106 |
| 2025-10-15 | Taecker Benjamin S. | Chief Eng and Opr Officer | Buy | 10,132 | $97,065 |
| 2025-10-15 | Cotton Stephen | Chief Executive Officer | Buy | 33,320 | $319,206 |
| 2025-09-23 | Cotton Stephen | Chief Executive Officer | Buy | 11,250 | $0 |
| 2025-09-23 | Cotton Stephen | Chief Executive Officer | Sell | 4,765 | $19,632 |
| 2025-08-21 | West Eric | Chief Financial Officer | Buy | 17,179 | $67,857 |
Source: SEC Form 4 filings · as of 2026-07-07