Form 4: Glaukos CDO Sells Shares Under 10b5-1 Plan

Glaukos Chief Development Officer Tomas Navratil sold a total of 517 shares of common stock and had 483 shares withheld for taxes in September 2025, pursuant to a pre-arranged trading plan.

Summary

• Tomas Navratil, Chief Development Officer of Glaukos Corp (GKOS), reported transactions involving the company's common stock.
• On September 22, 2025, Navratil sold 23 shares at a weighted average price of $82.79, 218 shares at $83.76, and 276 shares at $84.70.
• These sales were executed under a Rule 10b5-1 trading plan adopted on June 12, 2025.
• On September 23, 2025, 483 shares were withheld by the Issuer for tax obligations related to the vesting of restricted stock units, at a price of $84.69 per share.
• Following these transactions, Navratil beneficially owns 75,907 shares of Glaukos common stock, which includes 42,535 unvested restricted stock units.

Sentiment

Score: 5

Explanation: The filing reports routine insider stock sales and tax withholding under a pre-arranged 10b5-1 plan, which is a neutral event for company sentiment as it does not indicate new fundamental information.

Positives

• Sales were conducted under a Rule 10b5-1 trading plan, indicating pre-scheduled transactions rather than discretionary sales based on new material non-public information.

Negatives

• Chief Development Officer Tomas Navratil sold a total of 517 shares of common stock.

Future Outlook

NA

Industry Context

NA

Stakeholder Impact

• Shareholders: Minor, routine insider sales and tax withholding by an officer, which are generally not indicative of significant changes in company fundamentals or strategy.

Key Dates

Recommendation

The Form 4 filing details routine insider stock sales and tax withholding by the Chief Development Officer under a pre-arranged 10b5-1 trading plan. These transactions are generally considered neutral events and do not provide new fundamental information about the company's performance or future prospects. Therefore, the filing alone does not warrant a change in investment recommendation, suggesting a 'hold' position for existing investors.

Keywords

Glaukos, GKOS, insider trading, Form 4, stock sale, 10b5-1 plan, restricted stock units, RSU, Chief Development Officer