Form4insider filings, from the source

Company · CIK 0001621832 · SIC 3341 — Secondary Smelting & Refining of Nonferrous Metals · Nasdaq

Aqua Metals, Inc. · AQMS

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 24, 2026 AForm 4 →Aug 26, 4:08 pm EDTSteven K HendersonDirector10,427——16,840—
Aug 24, 2026 AForm 4 →Aug 26, 4:07 pm EDTVincent L DivitoDirector15,641——26,402—
Aug 24, 2026 AForm 4 →Aug 26, 4:07 pm EDTEric John GangloffDirector10,427——22,347—
Aug 24, 2026 AForm 4 →Aug 26, 4:07 pm EDTStephen CottonChief Executive Officer, Director104,818——318,784—
Aug 24, 2026 AForm 4 →Aug 26, 4:06 pm EDTEric WestChief Financial Officer37,352——100,476—
Aug 24, 2026 AForm 4 →Aug 26, 4:06 pm EDTBenjamin S. TaeckerChief Eng and Opr Officer30,958——87,274—
Aug 19, 2026 FForm 4 →Aug 21, 4:02 pm EDTBenjamin S. TaeckerChief Eng and Opr Officer1,005$2.67$2,68356,316—
Aug 19, 2026 FForm 4 →Aug 21, 4:02 pm EDTEric WestChief Financial Officer1,213$2.67$3,23963,124—
Aug 19, 2026 FForm 4 →Aug 21, 4:02 pm EDTStephen CottonChief Executive Officer, Director3,305$2.67$8,824213,966—
Jul 1, 2026 FForm 4 →Jul 7, 4:05 pm EDTBenjamin S. TaeckerChief Eng and Opr Officer744$2.97$2,21057,321— late
Jul 1, 2026 FForm 4 →Jul 7, 4:05 pm EDTStephen CottonChief Executive Officer, Director2,402$2.97$7,134217,271— late

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.