Form4insider filings, from the source

Company · CIK 0001093691 · SIC 3620 — Electrical Industrial Apparatus · Nasdaq

PLUG POWER INC · PLUG

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $496k · 2net −$496k
$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
Sep 18, 2026 SForm 4 →Sep 22, 4:18 pm EDTBenjamin HaycraftCSO & GM EMEA200,000$2.14$428,300101,249−66.4%10b5-1
Sep 11, 2026 SForm 4 →Sep 15, 4:26 pm EDTBenjamin HaycraftCSO & GM EMEA32,560$2.09$68,178301,249−9.75%10b5-1
Jul 1, 2026 AForm 4 →Jul 6, 4:24 pm EDTGregory KenausisDirector3,980$2.71$10,786514,412—
Jul 1, 2026 AForm 4 →Jul 6, 4:22 pm EDTPatrick JoggerstDirector7,644$2.71$20,715253,184—
Jul 1, 2026 AForm 4 →Jul 6, 4:16 pm EDTMark J BonneyDirector8,764$2.71$23,750271,530—
Jul 1, 2026 AForm 4 →Jul 6, 4:15 pm EDTColin M AngleDirector3,558$2.71$9,642153,102—

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 30, 2026 AForm 4 →Jul 2, 5:12 pm EDTAndrew MarshDirector72,469——72,469—