SEC Form 4 · accession 0001920061-26-000018
GLAUKOS Corp · GKOS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Alex R. Thurman
Officer — SVP & CHIEF FINANCIAL OFFICER
Period of report
Aug 7, 2026
Accepted (ET)
Aug 11, 2026 · 5:31 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001192448
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 7, 2026 | M | 20,000 | $33.81 | A | 63,906 | D | |
| Common StockF3,F1 | Aug 7, 2026 | S | 20,000 | $180.13 | D | 43,906 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F4,F5 | $33.81 | Aug 7, 2026 | M | 20,000 | D | — | Dec 14, 2026 | Common Stock | 20,000 | 0 | D |
Explanation of responses
- F1Includes 5,230 restricted stock units that have not yet vested or been delivered to the Reporting Person and and 225 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan.
- F2The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025.
- F3This transaction was executed in multiple trades at prices ranging from $180.00 to $180.42. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F4The option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025.
- F5These options vest over four years from the grant date, with 25% vesting on the first anniversary of the grant date and the remaining amount vesting in equal monthly installments over the following three years.