OMEROS CORP 4

Omeros Corp VP, Finance & CAO David J. Borges exercised 10,906 stock options and sold all corresponding 10,906 OMER common shares in pre-planned open-market transactions on August 21 and 24, 2026.

On August 21, 2026, David J. Borges, VP, Finance & CAO of Omeros Corp, exercised 5,906 stock options at $3.93 and 4,094 options at $2.94 to acquire a total of 10,000 shares of common stock, and then sold those 10,000 shares in an open-market transaction at $18.95 per share under a pre-established Rule 10b5-1 trading plan, realizing proceeds of approximately $189,500. On August 24, 2026, he similarly exercised 906 options at $2.94 to acquire 906 shares and immediately sold all 906 shares at $19.10 per share, generating about $17,300. These transactions represent routine option exercises followed by planned sales, leaving Borges with 20,000 options/underlying shares reflected as directly owned after the transactions, and the sales were explicitly disclosed as occurring under a Rule 10b5-1 plan adopted in February 2026.

Filing Facts

CIK

1285819

Ticker

OMER

Form

4

Source Type

fda

Accession

0001437749-26-028951

Alert Tier

6