Dudediligence.

Glaukos Corporation

GKOSNYSE · Surgical & Medical Instruments & Apparatus
Write an idea

Insiders

Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$69.3M

32 notices · 527,330 sh

Oct 2025 to Oct 2026

Reported ·

$46.4M

35 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

22 of 35 reported sales carry the 10b5-1 box. Together they are 0.67% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-10-05: Navratil Tomas, Form 1442026-09-25: Navratil Tomas, Form 1442026-09-16: Navratil Tomas, Form 1442026-08-28: Navratil Tomas, Form 1442026-08-19: Kliman Gilbert H, Form 1442026-08-11: Gilliam Joseph E, Form 1442026-08-07: Thurman Alex R., Form 1442026-07-31: WEN LEANA, Form 1442026-07-16: Thurman Alex R., Form 1442026-07-09: Thurman Alex R., Form 1442026-07-06: Thurman Alex R., Form 1442026-07-01: Navratil Tomas, Form 1442026-06-16: Navratil Tomas, Form 1442026-05-14: Kliman Gilbert H, Form 1442026-05-11: Kliman Gilbert H, Form 1442026-05-01: WEN LEANA, Form 1442026-05-01: Gilliam Joseph E, Form 1442026-04-30: Thurman Alex R., Form 1442026-04-10: Navratil Tomas, Form 1442026-03-25: Thurman Alex R., Form 1442026-03-24: Thurman Alex R., Form 1442026-03-17: Thurman Alex R., Form 1442026-03-16: Navratil Tomas, Form 1442026-02-19: WEISNER AIMEE S, Form 1442026-01-22: Gilliam Joseph E, Form 1442026-01-22: Stapley Marc, Form 1442026-01-21: Gilliam Joseph E, Form 1442026-01-16: Burns Thomas William, Form 1442026-01-08: Burns Thomas William, Form 1442025-12-09: Kliman Gilbert H, Form 1442025-11-25: Thurman Alex R., Form 1442025-11-18: Gilliam Joseph E, Form 1442025-11-18: Gilliam Joseph E, sold2025-11-25: Thurman Alex R., sold2025-12-09: Kliman Gilbert H, sold2026-01-08: Burns Thomas William, sold2026-01-21: Gilliam Joseph E, sold2026-01-22: Stapley Marc, sold2026-01-22: Gilliam Joseph E, sold2026-02-19: WEISNER AIMEE S, sold2026-03-16: Navratil Tomas, sold2026-03-17: Thurman Alex R., sold2026-03-24: Thurman Alex R., sold2026-03-25: Thurman Alex R., sold2026-04-10: Navratil Tomas, sold2026-04-30: Thurman Alex R., sold2026-05-01: Gilliam Joseph E, sold2026-05-01: WEN LEANA, sold2026-05-11: Kliman Gilbert H, sold2026-05-14: Kliman Gilbert H, sold2026-06-16: Navratil Tomas, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-10-05Navratil Tomas, CHIEF DEVELOPMENT OFFICER$251,121
1,527 shplan 2026-06-12Form 4s on file end Jun 23144 ↗
2026-09-25Navratil Tomas, CHIEF DEVELOPMENT OFFICER$249,158
1,615 shplan 2026-06-12Form 4s on file end Jun 23144 ↗
2026-09-16Navratil Tomas, CHIEF DEVELOPMENT OFFICER$243,207
1,457 shplan 2026-06-12Form 4s on file end Jun 23144 ↗
2026-08-28Navratil Tomas, CHIEF DEVELOPMENT OFFICER$2,483,098
13,744 shplan 2026-06-12Form 4s on file end Jun 23144 ↗
2026-08-19Kliman Gilbert H, Director$475,000
2,500 shno plan dateForm 4s on file end Jun 23144 ↗
2026-08-11Gilliam Joseph E, PRESIDENT & COO$10.8M
60,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-08-07Thurman Alex R., SVP & CHIEF FINANCIAL OFFICER$3,602,674
20,000 shplan 2025-12-15Form 4s on file end Jun 23144 ↗
2026-07-31WEN LEANA, Director$88,006
525 shno plan dateForm 4s on file end Jun 23144 ↗
2026-07-16Thurman Alex R., SVP & CHIEF FINANCIAL OFFICER$1,600,000
10,000 shplan 2025-12-15Form 4s on file end Jun 23144 ↗
2026-07-09Thurman Alex R., SVP & CHIEF FINANCIAL OFFICER$1,550,000
10,000 shplan 2025-12-15Form 4s on file end Jun 23144 ↗
2026-07-06Thurman Alex R., SVP & CHIEF FINANCIAL OFFICER$1,500,000
10,000 shplan 2025-12-15Form 4s on file end Jun 23144 ↗
2026-07-01Navratil Tomas, CHIEF DEVELOPMENT OFFICER$99,567
716 shplan 2026-03-12Form 4s on file end Jun 23144 ↗
2026-06-16Navratil Tomas, CHIEF DEVELOPMENT OFFICER$200,855
1,537 shplan 2026-03-12144 ↗
Form 4, 2026-06-18: sold 1,537 at $130.68 Form 4 ↗
2026-05-14Kliman Gilbert H, Director$703,801
5,000 shno plan date144 ↗
Form 4, 2026-05-18: sold 5,000 at $140.76 Form 4 ↗
2026-05-11Kliman Gilbert H, Director$675,000
5,000 shno plan date144 ↗
Form 4, 2026-05-13: sold 5,000 at $135.00 Form 4 ↗
2026-05-01WEN LEANA, Director$247,095
1,700 shno plan date144 ↗
Form 4, 2026-05-04: sold 1,700 at $143.35 Form 4 ↗
2026-05-01Gilliam Joseph E, PRESIDENT & COO$2,809,508
19,573 shno plan date144 ↗
Form 4, 2026-05-04: sold 19,573 at $143.54 Form 4 ↗
2026-04-30Thurman Alex R., SVP & CHIEF FINANCIAL OFFICER$1,400,000
10,000 shplan 2025-12-15144 ↗
Form 4, 2026-05-04: sold 10,000 at $140.00 Form 4 ↗
2026-04-10Navratil Tomas, CHIEF DEVELOPMENT OFFICER$246,178
2,093 shplan 2025-12-15144 ↗
Form 4, 2026-04-14: sold 2,093 at $117.62 Form 4 ↗
2026-03-25Thurman Alex R., SVP & CHIEF FINANCIAL OFFICER$267,321
2,511 shplan 2025-12-15144 ↗
Form 4, 2026-03-27: sold 2,511 at $106.46 Form 4 ↗
2026-03-24Thurman Alex R., SVP & CHIEF FINANCIAL OFFICER$160,070
1,521 shplan 2025-12-15144 ↗
Form 4, 2026-03-25: sold 1,521 at $105.24 Form 4 ↗
2026-03-17Thurman Alex R., SVP & CHIEF FINANCIAL OFFICER$61,969
625 shplan 2025-12-15144 ↗
Form 4, 2026-03-19: sold 625 at $99.15 Form 4 ↗
2026-03-16Navratil Tomas, CHIEF DEVELOPMENT OFFICER$101,028
1,031 shplan 2025-12-15144 ↗
Form 4, 2026-03-19: sold 1,031 at $98.04 Form 4 ↗
2026-02-19WEISNER AIMEE S, Director$1,792,050
15,000 shno plan date144 ↗
Form 4, 2026-02-23: sold 15,000 at $117.38 Form 4 ↗
2026-01-22Gilliam Joseph E, PRESIDENT & COO$1,340,378
10,498 shplan 2025-06-11144 ↗
Form 4, 2026-01-26: sold 10,498 at $127.68 Form 4 ↗
2026-01-22Stapley Marc, Director$1,915,560
15,000 shplan 2025-06-04144 ↗
Form 4, 2026-01-26: sold 15,000 at $127.71 Form 4 ↗
2026-01-21Gilliam Joseph E, PRESIDENT & COO$561,168
4,502 shplan 2025-06-11144 ↗
Form 4, 2026-01-23: sold 4,502 at $124.65 Form 4 ↗
2026-01-16Burns Thomas William, CHAIRMAN & CEO$21.5M
186,945 shplan 2025-06-10no Form 4 on file144 ↗
2026-01-08Burns Thomas William, CHAIRMAN & CEO$10.1M
88,055 shplan 2025-06-10144 ↗
Form 4, 2026-01-20: sold 275,000 at $115.00 Form 4 ↗
2025-12-09Kliman Gilbert H, Director$536,368
5,000 shno plan date144 ↗
Form 4, 2025-12-11: sold 5,000 at $107.27 Form 4 ↗
2025-11-25Thurman Alex R., SVP & CHIEF FINANCIAL OFFICER$33,075
315 shplan 2025-06-11144 ↗
Form 4, 2025-11-26: sold 315 at $105.00 Form 4 ↗
2025-11-18Gilliam Joseph E, PRESIDENT & COO$1,740,600
19,340 shno plan date144 ↗
Form 4, 2025-11-20: sold 19,340 at $90.00 Form 4 ↗