Form 4: Glaukos CFO Executes Stock Option Exercise and Sale

Glaukos Corporation CFO Alex R. Thurman exercised 10,000 stock options and sold the resulting shares under a 10b5-1 plan.

Summary

• Alex R. Thurman, SVP & Chief Financial Officer of Glaukos Corporation, exercised 10,000 stock options at a strike price of $38.68.
• Following the exercise, the reporting person sold 10,000 shares of common stock at a price of $140.00 per share.
• The transactions were executed on April 30, 2026, pursuant to a Rule 10b5-1 trading plan adopted on December 15, 2025.
• Post-transaction, the reporting person holds 43,681 shares of common stock directly.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a routine administrative filing related to executive compensation and personal financial planning, carrying no significant signal regarding company performance.

Positives

• The transaction was pre-planned under a Rule 10b5-1 trading plan, indicating the sale was not based on sudden non-public information.
• The exercise of options demonstrates the executive's participation in the company's long-term equity incentive programs.

Negatives

• The transaction results in a reduction of the CFO's direct equity stake in the company.

Risks

• The reporting person remains subject to market volatility regarding their remaining 43,681 shares.

Future Outlook

No specific forward-looking guidance regarding company operations was provided in this filing.

Industry Context

StockSavvy.ai notes that insider selling via 10b5-1 plans is a standard practice for corporate executives to manage personal liquidity and diversify portfolios, and is generally viewed as neutral by the market when pre-arranged.

Comparison to Industry Standards

• The use of Rule 10b5-1 plans is the industry standard for executives to avoid potential allegations of insider trading.
• The volume of shares sold represents a small fraction of the executive's total holdings, which is consistent with typical executive compensation liquidation patterns.

Stakeholder Impact

• Minimal impact on shareholders as the sale was conducted under a pre-established 10b5-1 plan.

Next Steps

• No future actions or milestones were disclosed in this filing.

Key Dates

Keywords

Glaukos, GKOS, Insider Trading, Form 4, CFO, Stock Options, 10b5-1