AlphaYouAR
Insider selling
Alex R. Thurman sold $3.6M of GLAUKOS Corp (GKOS) stock
Alex R. Thurman, SVP & Chief Financial Officer of GLAUKOS Corp (GKOS), sold 20,000 shares of GKOS stock worth $3.6M, per an SEC Form 4 filed Aug 11, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Aug 7, 2026, 4 days before it was made public.
GKOS has moved -10.3% since the trade date, from $180.02 to $161.53 (Sep 21, 2026 close).
- Traded
- Aug 7, 2026
- Disclosed
- Aug 11, 2026
- Filing delay
- 4 days
- Price since
- -10.3%
- Role
- SVP & Chief Financial Officer
- Source
- SEC Form 4
More GKOS insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.