Form4.ai tracks every SEC insider trade in real time. See every AQMS insider filing with a free account — no card.
See every AQMS insider filing — free account, no card.
Free accountAqua Metals, Inc. (AQMS) has 12 SEC Form 4 insider filings on record in the last 90 days. Most recent filing: Oct. 15, 2026.
Open-market value, last 90 days
No open-market buys or sales in this period.
Form 4 filings by type, last 90 days
| Date | Insider | Trade | Value | Price since buy |
|---|---|---|---|---|
| Oct 15, 2026 SEC filing | Taecker Benjamin S. Chief Eng and Opr Officer | Vest & sell-to-cover | +9,713 sh | — |
| Oct 15, 2026 SEC filing | Cotton Stephen Chief Executive Officer | Vest & sell-to-cover | +32,958 sh | — |
| Oct 15, 2026 SEC filing | West Eric Chief Financial Officer | Vest & sell-to-cover | +11,720 sh | — |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.