Form4insider filings, from the source

Company · CIK 0001421517 · SIC 3559 — Special Industry Machinery, NEC · Nasdaq

Energy Recovery, Inc. · ERII

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $64k · 2net −$64k
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jul 28, 2026 SForm 4 →Jul 29, 8:00 pm EDTRodney ClementeSVP, Water5,387$8.56$46,113108,301−4.74%
Jul 28, 2026 SForm 4 →Jul 29, 7:58 pm EDTWilliam YeungChief Legal Officer2,048$8.56$17,53199,291−2.02%
Jul 27, 2026 FForm 4 →Jul 29, 8:00 pm EDTRodney ClementeSVP, Water2,320$8.42$19,534113,688—
Jul 27, 2026 FForm 4 →Jul 29, 7:58 pm EDTWilliam YeungChief Legal Officer2,828$8.42$23,812101,339—
Jul 9, 2026 AForm 4 →Jul 22, 5:58 pm EDTJohn Joseph MitchellDirector16,797——16,797— late

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

No reported derivative activity in this period.