Form 4 for GKOS GLAUKOS Corp
Accepted 2026-08-11 17:31:34 ET · period of report 2026-08-07 · accession 0001920061-26-000018 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-08-11 17:31 | 2026-08-07 | GKOS | Thurman Alex R. | SVP, CFO | M - OptEx | $33.81 | +20.0K | 63.9K | +46% | +$676.2K |
| DT | 2026-08-11 17:31 | 2026-08-07 | GKOS | Thurman Alex R. | SVP, CFO | S - Sale+OE | $180.13 | -20.0K | 43.9K | -31% | -$3.60M |
| DT | 2026-08-11 17:31 | 2026-08-07 | GKOS | Thurman Alex R. | SVP, CFO | M - OptEx | $0.00 | -20.0K | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-07 | M | A | 20,000 | $33.81 | 63,906 | D | — | — | (F1) Includes 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. |
| 2 | Common | Common Stock | 2026-08-07 | S | D | 20,000 | $180.13 | 43,906 | D | — | — | (F2) The 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. (F3) This 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. (F1) Includes 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. |
| 3 | Derivative | Stock Option (Right to Buy) | 2026-08-07 | M | D | 20,000 | $0.00 | 0 | D | $33.81 · — to 2026-12-14 | 20,000 Common Stock | (F4) The 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. (F5) These 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. |