Form 4 for GKOS GLAUKOS Corp
Accepted 2026-03-19 00:00:00 ET · period of report 2026-03-16 · accession 0001920053-26-000008 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-03-19 | 2026-03-16 | GKOS | Navratil Tomas | Chief DEVELOPMENT Off | S - Sale | $98.04 | -1,031 | 73.9K | -1% | -$101.1K |
| 2026-03-19 | 2026-03-16 | GKOS | Navratil Tomas | Chief DEVELOPMENT Off | F - Tax | $98.94 | -958 | 74.7K | -1% | -$94.8K |
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 | 2026-03-16 | S | D | 460 | $97.33 | 74,202 | D | — | — | (F4) This transaction was executed in multiple trades at prices ranging from $96.85 to $97.85. 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. (F2) Includes 35,687 restricted stock units that have not yet vested or been delivered to the Reporting Person. |
| 2 | Common | Common Stock | 2026-03-16 | S | D | 272 | $99.05 | 73,631 | D | — | — | (F6) This transaction was executed in multiple trades at prices ranging from $98.87 to $99.11. 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. (F2) Includes 35,687 restricted stock units that have not yet vested or been delivered to the Reporting Person. |
| 3 | Common | Common Stock | 2026-03-16 | S | D | 299 | $98.21 | 73,903 | D | — | — | (F5) This transaction was executed in multiple trades at prices ranging from $97.86 to $98.86. 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. (F2) Includes 35,687 restricted stock units that have not yet vested or been delivered to the Reporting Person. |
| 4 | Common | Common Stock | 2026-03-16 | F | D | 958 | $98.94 | 74,662 | D | — | — | (F1) Consists of shares withheld by the Issuer with respect to tax withholding obligations of the Reporting Person upon vesting and delivery of shares of common stock underlying restricted stock units previously granted by the Issuer on March 14, 2024. (F2) Includes 35,687 restricted stock units that have not yet vested or been delivered to the Reporting Person. |