Thomas J. Cable, a director of Omeros Corp, filed a Form 4 with the SEC on August 21, 2026, reporting the exercise of two stock options and the sale of 15,000 shares of common stock on August 20, 2026.

Key Highlights

  • Option exercise (first tranche): Cable acquired 7,500 shares of common stock at $2.00 per share via an "M" (option exercise) transaction on August 20, 2026.
  • Option exercise (second tranche): Cable acquired an additional 7,500 shares at $3.93 per share, also on August 20, 2026, via an "M" transaction.
  • Sale of shares: Cable disposed of 15,000 shares at a weighted average price of $18.4515, with individual trade prices ranging from $18.23 to $18.72.
  • Resulting ownership: Following all reported transactions, Cable directly beneficially owned 35,067 shares of common stock.
  • Options fully exercised: Both stock options, one expiring June 17, 2032 and one expiring September 21, 2032, each had 7,500 underlying shares and show zero derivative securities remaining after the transactions.
  • Issuer: Omeros Corp, trading on NASDAQ:OMER.

Details of Thomas J. Cable's August 2026 Option Exercise and Share Sale at Omeros Corp

According to the filing, Cable exercised two stock options on August 20, 2026. The first option, with an exercise price of $2.00, covered 7,500 shares of common stock and carried an expiration date of June 17, 2032. The second option, with an exercise price of $3.93, also covered 7,500 shares and carried an expiration date of September 21, 2032. Both options had become exercisable on June 22, 2023, according to the filing. Each option was reported with a price of $0 for the derivative security itself, and each shows zero derivative securities beneficially owned following the transactions.

Following the two option exercises, the filing reports that Cable sold all 15,000 acquired shares on August 20, 2026, at a weighted average price of $18.4515 per share. The filing notes that "this transaction was executed in multiple trades at prices ranging from $18.23 to $18.72," and that the reporting person undertakes to provide full information on individual trade prices and share counts upon request to the SEC staff, the issuer, or a security holder. All transactions were reported as direct ownership, and all three transactions are coded as individual filings by one reporting person.

After all reported transactions, Cable's direct beneficial ownership of Omeros Corp common stock stood at 35,067 shares, according to the filing. The Form 4 was signed by Peter B. Cancelmo as attorney-in-fact on August 21, 2026.

What Was Disclosed

Director Thomas J. Cable reported the exercise of two stock options totaling 15,000 shares and the same-day sale of those shares at a weighted average of $18.4515, leaving him with direct beneficial ownership of 35,067 shares of Omeros Corp common stock.