Form 4: Glaukos Corp: Insider Sells Shares for Tax Withholding

Glaukos Corp. reports that President & COO Joseph E. Gilliam disposed of 3,169 shares of common stock to cover tax withholding obligations upon the vesting of restricted stock units.

Summary

• Joseph E. Gilliam, President & COO of Glaukos Corp., reported a transaction on April 2, 2026.
• The transaction involved the disposition of 3,169 shares of common stock.
• These shares were withheld by the Issuer to satisfy tax withholding obligations related to the vesting and delivery of restricted stock units previously granted on March 14, 2024.
• Following this transaction, Gilliam beneficially owns 92,992 shares of common stock.
• This ownership includes 43,925 restricted stock units that have not yet vested.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing, as the transaction is a standard tax-related disposition of shares by an executive and does not indicate a change in the executive's fundamental view of the company's prospects.

Negatives

• Insider selling, even for tax purposes, can sometimes be perceived negatively by the market.

Future Outlook

No specific future outlook or guidance is provided in this filing, as it pertains to a change in beneficial ownership.

Industry Context

StockSavvy.ai notes that Form 4 filings are routine disclosures for insider transactions, often related to compensation plans or tax obligations. While this specific transaction is for tax withholding, any significant insider selling can draw market attention.

Stakeholder Impact

• Shareholders: The disposition of shares by an executive, even for tax purposes, may be monitored by shareholders as an indicator of insider activity.

Key Dates

Keywords

Glaukos Corp, GKOS, Form 4, Insider Transaction, Stock Disposition, Restricted Stock Units, Tax Withholding, Joseph E. Gilliam