Form4insider filings, from the source

Insider · CIK 0001722237

Pamela L. Tondreau

Files at: ERII, CY. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 4, 2026 AForm 4 →Jun 5, 4:51 pm EDTEnergy Recovery, Inc.ERII22,316$8.29$185,00060,844—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.