Alex R. Thurman $GKOS SEC Form 4 Insider Trading

Alex R. Thurman has filed a total of 34 insider trades in $GKOS since 2021. Their most recent trade was a sale of 10,000 shares, made on Apr 30, 2026. Their largest trade was a sale of 10,000 shares, made on Apr 30, 2026. We estimate that they now own 53,681 shares of $GKOS, worth an estimated $7.7 million.

Insider Trading at $GKOS

There have been a total of 180 insider trades reported at $GKOS since 2021, with 0 shares purchased and 1.4 million shares sold. The most active insider traders in $GKOS stock have been Thomas William Burns, Joseph E Gilliam, and Alex R. Thurman. The most recent trade was a sale of 5,000 shares reported by Gilbert H Kliman (None), made on May 14, 2026.

$GKOS Executives and Stock Owners with Insider Trades

• Thomas William Burns, CHAIRMAN & CEO

• Joseph E Gilliam, PRESIDENT & COO

• Alex R. Thurman, SVP & CHIEF FINANCIAL OFFICER

• Tomas Navratil, CHIEF DEVELOPMENT OFFICER

*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.