Form4insider filings, from the source

Insider · CIK 0001833309

Joe Mastrangelo

Files at: EOSE. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $980k · 1net −$980k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 SForm 4 →Sep 16, 4:27 pm EDTEos Energy Enterprises, Inc.EOSE250,000$3.92$980,0002,308,704−9.77%10b5-1
Sep 14, 2026 AForm 4 →Sep 16, 4:27 pm EDTEos Energy Enterprises, Inc.EOSE500,000——2,558,704—10b5-1

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 MForm 4 →Sep 16, 4:27 pm EDTEos Energy Enterprises, Inc.EOSE500,000——0—10b5-1