Insider Transactions in Q4 2025 at Glaukos Corp (GKOS)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 30
2025
|
Tomas Navratil CHIEF DEVELOPMENT OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
510
-0.65%
|
$58,140
$114.24 P/Share
|
|
Dec 30
2025
|
Thomas William Burns CHAIRMAN & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
1,098
-0.71%
|
$125,172
$114.24 P/Share
|
|
Dec 11
2025
|
Thomas William Burns CHAIRMAN & CEO |
BUY
Grant, award, or other acquisition
|
Direct |
4,168
+2.62%
|
-
|
|
Dec 11
2025
|
Tomas Navratil CHIEF DEVELOPMENT OFFICER |
BUY
Grant, award, or other acquisition
|
Direct |
2,054
+2.57%
|
-
|
|
Dec 09
2025
|
Gilbert H Kliman |
SELL
Open market or private sale
|
Direct |
5,000
-12.53%
|
$535,000
$107.27 P/Share
|
|
Dec 09
2025
|
Gilbert H Kliman |
BUY
Exercise of conversion of derivative security
|
Direct |
5,000
+11.13%
|
$120,000
$24.69 P/Share
|
|
Nov 25
2025
|
Alex R. Thurman SVP & CHIEF FINANCIAL OFFICER |
SELL
Open market or private sale
|
Direct |
315
-0.62%
|
$33,075
$105.0 P/Share
|
|
Nov 18
2025
|
Joseph E Gilliam PRESIDENT & COO |
SELL
Open market or private sale
|
Direct |
19,340
-17.31%
|
$1,740,600
$90.0 P/Share
|