OMEROS (OMER) stock: insider trades, news & valuation
Heavy sellingShare price and insider trades
OMEROS insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 4 sold $3.0M of OMER stock on the open market.
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OMER insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | $2.2M | 11 |
| Q2 2026 | — | 0 | $87K | 1 |
| Q1 2026 | — | 0 | $751K | 2 |
Valuation, profit and volume
Summary
Over the past 12 months, 0 OMEROS CORP insiders reported open-market purchases totaling $0, while 4 insiders reported sales totaling $3.0M. 6 of 14 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 24SEC | David J. BorgesVp, Finance & Cao | Sell Plan | 10,000 | $20.95 | $210K | -5.3% | — |
| Sep 24SEC | David J. BorgesVp, Finance & Cao | Sell Plan | 10,000 | $20.95 | $210K | -5.3% | — |
| Sep 1SEC | Peter B CancelmoGeneral Counsel | Sell | 25,000200 held (−99%) | $18.65 | $466K | +6.3% | — |
| Sep 1SEC | Peter B CancelmoGeneral Counsel | Sell | 25,000200 held (−99%) | $18.54 | $464K | +7.0% | — |
| Aug 28SEC | Arnold C HanishDirector | Sell | 5,000 | $19.02 | $95K | +4.3% | — |
| Aug 28SEC | Arnold C HanishDirector | Sell | 5,0005,000 held (−50%) | $18.88 | $94K | +5.0% | — |
| Aug 28SEC | Arnold C HanishDirector | Sell | 5,000 | $18.53 | $93K | +7.0% | — |
| Aug 25SEC | David J. BorgesVp, Finance & Cao | Sell Plan | 10,000 | $18.95 | $190K | +4.6% | — |
| Aug 25SEC | David J. BorgesVp, Finance & Cao | Sell Plan | 906 | $19.10 | $17K | +3.8% | — |
| Aug 21SEC | Thomas J. CableDirector | Sell | 15,00035,067 held (−30%) | $18.45 | $277K | +7.5% | — |
| Aug 17SEC | David J. BorgesVp, Finance & Cao | Sell Plan | 5,000 | $16.95 | $85K | +17.0% | — |
| May 27SEC | Thomas J. CableDirector | Sell Plan | 7,50035,067 held (−18%) | $11.61 | $87K | +70.8% | — |
| Jan 14SEC | David J. BorgesVp, Finance & Cao | Sell | 30,000 | $12.72 | $382K | +55.9% | — |
| Jan 14SEC | David J. BorgesVp, Finance & Cao | Sell | 30,000 | $12.31 | $369K | +61.1% | — |
Insiders at OMEROS CORP
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| David J. BorgesVp, Finance & Cao | — | $1.5M | Sep 24, 2026 | — |
| Peter B CancelmoGeneral Counsel | — | $930K | Sep 1, 2026 | — |
| Thomas J. CableDirector | — | $364K | Aug 21, 2026 | — |
| Arnold C HanishDirector | — | $282K | Aug 28, 2026 | — |
OMER stock: common questions
Are OMEROS CORP insiders buying OMER stock?
In the past 12 months, 0 insiders reported open-market purchases of OMER worth $0.
Are OMEROS CORP insiders selling OMER stock?
4 insiders reported sales worth $3.0M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is OMER's 52-week range?
Over the past year OMER has traded between $4.10 and $21.05. It last closed at $19.83 on Oct 9, 2026.