GLAUKOS Corp 4

Glaukos Corp Chief Development Officer Tomas Navratil had 483 shares of common stock withheld for taxes upon RSU vesting, a routine compensation-related transaction, and now directly owns 88,350 shares plus unvested RSUs.

On June 25, 2026, Glaukos Corporation Chief Development Officer Tomas Navratil had 483 shares of common stock withheld by the company at an effective price of approximately $142.57 per share, totaling about $68,851, to satisfy tax withholding obligations upon the vesting and delivery of previously granted restricted stock units. This Form 4 reflects a routine, non-discretionary transaction classified as a tax withholding (code F), not an open-market purchase or sale, and leaves Navratil with direct ownership of 88,350 shares of common stock plus 38,817 unvested RSUs. Based on the current share price of about $142.19, his direct common stock holdings are valued at roughly $12.56 million, indicating a substantial continuing equity stake in the company despite the withholding transaction.

Filing Facts

CIK

1192448

Ticker

GKOS

Form

4

Source Type

sec

Accession

0001920053-26-000022

Alert Tier

4