Omeros (OMER) VP Finance David J. Borges Exercises Options, Sells Shares

What Happened

• David J. Borges, Vice President, Finance & Chief Accounting Officer of Omeros Corporation, exercised stock options and sold the resulting shares. He exercised a total of 10,906 shares (options) and sold all 10,906 shares in open-market transactions.
• Breakdown: On 2026-08-21 he exercised 5,906 shares at $3.93 ($23,211) and 4,094 shares at $2.94 ($12,036), then sold 10,000 shares at $18.95 for $189,500. On 2026-08-24 he exercised 906 shares at $2.94 ($2,664) and sold 906 shares at $19.10 for $17,305.
• Gross proceeds from the sales were $206,805; aggregate exercise cost was $37,911, so the approximate pre-tax net proceeds were $168,894 (does not account for commissions, taxes or withholdings).

Key Details

• Transaction dates and prices:
  • 2026-08-21: exercised 5,906 @ $3.93 and 4,094 @ $2.94; sold 10,000 @ $18.95.
  • 2026-08-24: exercised 906 @ $2.94; sold 906 @ $19.10.
• Shares owned after transaction: not disclosed in the provided filing details.
• Footnotes / notable items:
  • The Aug. 21 open-market sale was made pursuant to a pre-established Rule 10b5-1 trading plan adopted Feb. 10, 2026.
  • The exercised options are subject to monthly vesting schedules (one option grant vests over 48 monthly installments beginning Apr. 1, 2022; the other over 48 months beginning Apr. 1, 2023).
  • The filing reports disposition of derivative instruments at $0 in connection with the exercises, reflecting conversion/exercise of options into common shares.
• Filing timeliness: Form 4 filed 2026-08-25 covering transactions on 8/21 and 8/24; filing appears to be within required reporting windows.

Context

• This was an option exercise followed by immediate open-market sales (i.e., the exercised shares were sold rather than being held). That pattern is common for executives monetizing vested option awards or following a preset trading plan; it does not, by itself, indicate a view on the company’s future performance.
• For retail investors, purchases or holds by insiders can be more informative than routine exercises-plus-sales; here the activity primarily converted vested option value into cash under an established 10b5-1 plan.