Form 4: Glaukos COO Exercises Options, Sells Shares

Glaukos Corporation's President and COO, Joseph E. Gilliam, exercised stock options and subsequently sold an equal number of common shares under a pre-arranged trading plan.

Summary

• Joseph E. Gilliam, President & COO of Glaukos Corporation, engaged in transactions on January 22, 2026, involving the company's common stock.
• Gilliam exercised stock options to acquire a total of 10,498 shares of common stock at an exercise price of $55.18 per share.
• These options were granted on March 24, 2022, with vesting contingent on the Issuer's achievement of pre-determined operational and multi-year performance targets.
• Immediately following the option exercise, Gilliam sold a total of 10,498 shares of common stock in multiple transactions.
• The sales occurred at weighted average prices ranging from $126.10 to $129.28 per share.
• All reported transactions, including both the option exercises and the sales, were executed pursuant to a Rule 10b5-1 trading plan adopted by Gilliam on June 11, 2025.
• Following these transactions, Gilliam's direct beneficial ownership of common stock stands at 92,366 shares, which includes 62,605 restricted stock units that have not yet vested or been delivered.

Sentiment

Score: 5

Explanation: The filing reports a routine insider transaction involving the exercise of stock options and subsequent sale of shares under a pre-arranged 10b5-1 plan, which is a common practice for executive compensation and liquidity. It does not indicate any significant positive or negative operational or financial news for the company.

Positives

• The exercise of stock options indicates that performance targets, which were conditions for vesting, were likely met, reflecting positively on company operations.
• The transactions allowed the executive to realize gains from previously granted equity compensation, which is a common and expected part of executive compensation structures.

Negatives

• The sale of 10,498 shares by a key executive, even under a pre-arranged plan, results in a reduction of their direct beneficial ownership of common stock (excluding unvested RSUs), which some investors might interpret as a lack of conviction, though it is a routine liquidity event.

Future Outlook

This Form 4 filing does not contain any specific forward-looking statements or guidance regarding the company's future performance or strategic direction.

Industry Context

Insider transactions, such as the exercise of stock options and subsequent sale of shares, are common occurrences in the public markets. Executives often use pre-arranged Rule 10b5-1 trading plans to manage their equity compensation for personal financial planning and diversification, while adhering to insider trading regulations. These transactions are generally viewed as routine unless they represent an unusually large proportion of an executive's holdings or deviate significantly from historical patterns.

Stakeholder Impact

• Shareholders: May note the executive's decision to monetize vested options, which is a common practice. The pre-arranged nature of the plan (Rule 10b5-1) mitigates concerns about opportunistic selling.

Key Dates

Keywords

Glaukos Corporation, GKOS, Joseph E. Gilliam, Insider Trading, Form 4, Stock Options, Share Sale, Rule 10b5-1, Officer Transaction, Beneficial Ownership