Form4insider filings, from the source

Company · CIK 0001285819 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

OMEROS CORP · OMER

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.3M · 2net −$1.3M
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 22, 2026 SForm 4 →Sep 24, 9:00 pm EDTDavid J. BorgesVP, Finance & CAO20,000$20.95$419,0000−100%10b5-1
Sep 22, 2026 MForm 4 →Sep 24, 9:00 pm EDTDavid J. BorgesVP, Finance & CAO20,000$9.51$190,15010,000—10b5-1
Aug 28, 2026 SForm 4 →Sep 1, 4:41 pm EDTPeter B CancelmoVP, General Counsel50,000$18.59$929,668200−99.6%
Aug 28, 2026 MForm 4 →Sep 1, 4:41 pm EDTPeter B CancelmoVP, General Counsel50,000$2.94$147,00025,200—

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 22, 2026 MForm 4 →Sep 24, 9:00 pm EDTDavid J. BorgesVP, Finance & CAO20,000——5,000—10b5-1
Aug 28, 2026 MForm 4 →Sep 1, 4:41 pm EDTPeter B CancelmoVP, General Counsel50,000——50,000—