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 $2.2M · 6net −$2.2M
$10k$10k$100k$100k$1M$1MbuyssalesMar 28Apr 27May 28Jun 28Jul 29Aug 28Sep 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—
Aug 26, 2026 SForm 4 →Aug 28, 4:31 pm EDTArnold C HanishDirector15,000$18.81$282,0940−100%
Aug 26, 2026 MForm 4 →Aug 28, 4:31 pm EDTArnold C HanishDirector15,000$15.24$228,52510,000—
Aug 21, 2026 SForm 4 →Aug 25, 5:40 pm EDTDavid J. BorgesVP, Finance & CAO10,906$18.96$206,8050−100%10b5-1
Aug 21, 2026 MForm 4 →Aug 25, 5:40 pm EDTDavid J. BorgesVP, Finance & CAO10,906$3.48$37,911906—10b5-1
Aug 20, 2026 SForm 4 →Aug 21, 5:34 pm EDTThomas J. CableDirector15,000$18.45$276,77335,067−30.0%
Aug 20, 2026 MForm 4 →Aug 21, 5:34 pm EDTThomas J. CableDirector15,000$2.97$44,47550,067—
Aug 13, 2026 SForm 4 →Aug 17, 7:42 pm EDTDavid J. BorgesVP, Finance & CAO5,000$16.95$84,7500−100%10b5-1
Aug 13, 2026 MForm 4 →Aug 17, 7:42 pm EDTDavid J. BorgesVP, Finance & CAO5,000$3.93$19,6505,000—10b5-1

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—
Aug 26, 2026 MForm 4 →Aug 28, 4:31 pm EDTArnold C HanishDirector15,000——0—
Aug 21, 2026 MForm 4 →Aug 25, 5:40 pm EDTDavid J. BorgesVP, Finance & CAO10,906——20,000—10b5-1
Aug 20, 2026 MForm 4 →Aug 21, 5:34 pm EDTThomas J. CableDirector15,000——0—
Aug 13, 2026 MForm 4 →Aug 17, 7:42 pm EDTDavid J. BorgesVP, Finance & CAO5,000——15,000—10b5-1
Aug 12, 2026 AForm 4 →Aug 18, 9:51 pm EDTJoseph L SchockenDirector30,000——30,000— late
Jul 22, 2026 AForm 4 →Jul 24, 9:17 pm EDTGregory A Demopulos M.D.Chairman, CEO & President, Director1,000,000——1,000,000—
Jul 22, 2026 AForm 4 →Jul 24, 9:13 pm EDTPeter B CancelmoVP, General Counsel105,000——105,000—
Jul 22, 2026 AForm 4 →Jul 24, 9:11 pm EDTDavid J. BorgesVP, Finance & CAO105,000——105,000—
Jun 18, 2026 AForm 4 →Jun 22, 7:35 am EDTRajiv ShahDirector15,000——15,000—
Jun 18, 2026 AForm 4 →Jun 22, 7:34 am EDTDiana T. PerkinsonDirector15,000——15,000—
Jun 18, 2026 AForm 4 →Jun 22, 7:34 am EDTLeroy E. Hood M.D. Ph.D.Director15,000——15,000—
Jun 18, 2026 AForm 4 →Jun 22, 7:33 am EDTArnold C HanishDirector15,000——15,000—
Jun 18, 2026 AForm 4 →Jun 22, 7:33 am EDTPeter A Demopulos M.D.Director15,000——15,000—
Jun 18, 2026 AForm 4 →Jun 22, 7:32 am EDTThomas J. CableDirector15,000——15,000—
Jun 18, 2026 AForm 4 →Jun 22, 7:31 am EDTThomas F. BumolDirector15,000——15,000—