There have been 50 recent insider transactions recorded for Glaukos Corporation (GKOS), including 14 buys and 34 sells. Total insider buying was valued at $15.69M and total insider selling at $17.52M.
Notable insiders with recent activity include Burns Thomas William, Gilliam Joseph E, Navratil Tomas. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — GKOS
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-04-02 |
Burns Thomas William |
Chairman & CEO |
Tax Withholding of RSU |
7,468 |
$109.60 |
$818.49K |
73,026 |
| 2026-04-02 |
Gilliam Joseph E |
President & COO |
Tax Withholding of RSU |
3,169 |
$109.60 |
$347.32K |
92,992 |
| 2026-04-02 |
Navratil Tomas |
Chief Development Officer |
Tax Withholding of RSU |
1,831 |
$109.60 |
$200.68K |
92,463 |
| 2026-04-02 |
Thurman Alex R. |
SVP & Chief Financial Officer |
Tax Withholding of RSU |
1,589 |
$109.60 |
$174.15K |
43,681 |
| 2026-04-01 |
Burns Thomas William |
Chairman & CEO |
Gift (Given) |
180,308 |
- |
- |
82,963 |
| 2026-03-31 |
Navratil Tomas |
Chief Development Officer |
Tax Withholding of RSU |
5,798 |
$109.60 |
$635.46K |
95,440 |
| 2026-03-25 |
Burns Thomas William |
Chairman & CEO |
RSU Award |
98,474 |
$109.60 |
$10.79M |
98,474 |
| 2026-03-25 |
Gilliam Joseph E |
President & COO |
RSU Award |
36,751 |
$48.46 |
$1.78M |
36,751 |
| 2026-03-25 |
Navratil Tomas |
Chief Development Officer |
RSU Award |
4,622 |
- |
- |
73,079 |
| 2026-03-25 |
Thurman Alex R. |
SVP & Chief Financial Officer |
RSU Award |
20,515 |
$109.60 |
$2.25M |
20,515 |
| 2026-03-24 |
Burns Thomas William |
Chairman & CEO |
Tax Withholding of RSU |
2,744 |
$105.23 |
$288.75K |
239,707 |
| 2026-03-24 |
Gilliam Joseph E |
President & COO |
Tax Withholding of RSU |
7,388 |
$105.23 |
$777.44K |
72,540 |
| 2026-03-24 |
Navratil Tomas |
Chief Development Officer |
Tax Withholding of RSU |
2,546 |
$105.23 |
$267.92K |
68,457 |
| 2026-03-24 |
Thurman Alex R. |
SVP & Chief Financial Officer |
Tax Withholding of RSU |
2,020 |
$105.23 |
$212.56K |
44,478 |
| 2026-03-23 |
Gilliam Joseph E |
President & COO |
Tax Withholding of RSU |
2,804 |
$106.84 |
$299.58K |
84,854 |
| 2026-03-23 |
Navratil Tomas |
Chief Development Officer |
Tax Withholding of RSU |
2,628 |
$106.84 |
$280.78K |
71,003 |
| 2026-03-23 |
Thurman Alex R. |
SVP & Chief Financial Officer |
Tax Withholding of RSU |
1,230 |
$106.84 |
$131.41K |
48,019 |
| 2026-03-17 |
Thurman Alex R. |
SVP & Chief Financial Officer |
Informative Sell |
625 |
$99.15 |
$61.97K |
49,249 |
| 2026-03-16 |
Burns Thomas William |
Chairman & CEO |
Tax Withholding of RSU |
2,801 |
$98.94 |
$277.13K |
242,451 |
| 2026-03-16 |
Gilliam Joseph E |
President & COO |
Tax Withholding of RSU |
1,189 |
$98.94 |
$117.64K |
87,658 |
| 2026-03-16 |
Navratil Tomas |
Chief Development Officer |
Informative Sell |
272 |
$99.05 |
$26.94K |
73,631 |
| 2026-03-16 |
Thurman Alex R. |
SVP & Chief Financial Officer |
Tax Withholding of RSU |
614 |
$98.94 |
$60.75K |
49,874 |
| 2026-03-13 |
Burns Thomas William |
Chairman & CEO |
Tax Withholding of RSU |
5,212 |
$97.02 |
$505.67K |
245,252 |
| 2026-03-13 |
Gilliam Joseph E |
President & COO |
Tax Withholding of RSU |
2,462 |
$97.02 |
$238.86K |
88,847 |
| 2026-03-13 |
Navratil Tomas |
Chief Development Officer |
Tax Withholding of RSU |
1,074 |
$97.02 |
$104.2K |
75,620 |
| 2026-03-05 |
Burns Thomas William |
Chairman & CEO |
Tax Withholding of RSU |
1,098 |
$112.10 |
$123.09K |
250,464 |
| 2026-03-05 |
Navratil Tomas |
Chief Development Officer |
Tax Withholding of RSU |
361 |
$112.10 |
$40.47K |
76,694 |
| 2026-02-24 |
Burns Thomas William |
Chairman & CEO |
Tax Withholding of RSU |
4,059 |
$119.17 |
$483.71K |
251,562 |
| 2026-02-24 |
Gilliam Joseph E |
President & COO |
Tax Withholding of RSU |
1,057 |
$119.17 |
$125.96K |
91,309 |
| 2026-02-24 |
Navratil Tomas |
Chief Development Officer |
Tax Withholding of RSU |
396 |
$119.17 |
$47.19K |
77,055 |
| 2026-02-19 |
Weisner Aimee S |
Director |
Option Exercise (Sell) |
15,000 |
$24.69 |
$370.35K |
- |
| 2026-02-09 |
Burns Thomas William |
Chairman & CEO |
Option Exercise (Sell) |
166,000 |
$30.92 |
$5.13M |
100,000 |
| 2026-02-06 |
Burns Thomas William |
Chairman & CEO |
Gift (Given) |
67,353 |
- |
- |
89,621 |
| 2026-01-22 |
Stapley Marc |
Director |
Option Exercise (Sell) |
15,000 |
$24.69 |
$370.35K |
- |
| 2026-01-22 |
Gilliam Joseph E |
President & COO |
Option Exercise (Sell) |
3,100 |
$55.18 |
$171.06K |
30,713 |
| 2026-01-21 |
Gilliam Joseph E |
President & COO |
Option Exercise (Sell) |
1,900 |
$55.18 |
$104.84K |
33,813 |
| 2026-01-16 |
Burns Thomas William |
Chairman & CEO |
Option Exercise (Sell) |
186,945 |
$16.49 |
$3.08M |
- |
| 2026-01-08 |
Burns Thomas William |
Chairman & CEO |
Option Exercise (Sell) |
88,055 |
$16.49 |
$1.45M |
186,945 |
| 2026-01-02 |
Weisner Aimee S |
Director |
RSU Award |
623 |
- |
- |
19,786 |
| 2026-01-02 |
Kliman Gilbert H |
Director |
RSU Award |
623 |
- |
- |
35,528 |
| 2026-01-02 |
Hoffmeister David F |
Director |
RSU Award |
753 |
- |
- |
32,671 |
| 2026-01-02 |
Foley Mark J |
Director |
RSU Award |
1,168 |
- |
- |
58,389 |
| 2026-01-02 |
Stapley Marc |
Director |
RSU Award |
727 |
- |
- |
37,449 |
| 2026-01-02 |
Torres Denice |
Director |
RSU Award |
623 |
- |
- |
22,334 |
| 2026-01-02 |
Wen Leana |
Director |
RSU Award |
623 |
- |
- |
21,439 |
| 2025-12-30 |
Burns Thomas William |
Chairman & CEO |
Tax Withholding of RSU |
1,098 |
$114.24 |
$125.44K |
153,775 |
| 2025-12-30 |
Navratil Tomas |
Chief Development Officer |
Tax Withholding of RSU |
510 |
$114.24 |
$58.26K |
77,451 |
| 2025-12-11 |
Burns Thomas William |
Chairman & CEO |
RSU Award |
8,416 |
$55.18 |
$464.39K |
86,262 |
| 2025-12-11 |
Gilliam Joseph E |
President & COO |
RSU Award |
7,316 |
$55.18 |
$403.7K |
65,013 |
| 2025-12-11 |
Navratil Tomas |
Chief Development Officer |
RSU Award |
2,054 |
- |
- |
77,961 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
