Form 4 Tracker
GLAUKOS Corp
GKOS

65 insider filings · Latest: Aug 11, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 11, 2026Aug 13 11:57 PMJoseph E GilliamPRESIDENT & COO
Sale
60,000$179.74$10.8M72,588(D)

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Aug 7, 2026Aug 11 9:31 PMAlex R. ThurmanSVP & CHIEF FINANCIAL OFFICER
Sale
20,000$180.13$3.6M43,906(D)

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Aug 11, 2026Aug 11 4:05 PMGilliam Joseph E
Proposed Sale
60,000$179.74$10.8M

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Aug 7, 2026Aug 7 9:45 PMThurman Alex R.
Proposed Sale
20,000$180.13$3.6M

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Jul 31, 2026Aug 3 8:41 PMLeana WenDirector
Sale
525$167.63$88.0K21,092(D)

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Jul 31, 2026Jul 31 8:22 PMWEN LEANA
Proposed Sale
525$167.63$88.0K

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Jul 16, 2026Jul 21 8:26 PMAlex R. ThurmanSVP & CHIEF FINANCIAL OFFICER
Sale
10,000$160.00$1.6M43,906(D)

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Jul 16, 2026Jul 16 4:18 PMThurman Alex R.
Proposed Sale
10,000$160.00$1.6M

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Jul 9, 2026Jul 14 12:04 AMAlex R. ThurmanSVP & CHIEF FINANCIAL OFFICER
Sale
10,000$155.00$1.6M43,681(D)

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Jul 9, 2026Jul 9 4:42 PMThurman Alex R.
Proposed Sale
10,000$155.00$1.6M

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Jul 6, 2026Jul 9 1:13 AMAlex R. ThurmanSVP & CHIEF FINANCIAL OFFICER
Sale
10,000$150.00$1.5M43,681(D)

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Jul 1, 2026Jul 9 12:53 AMTomas NavratilCHIEF DEVELOPMENT OFFICER
Sale
716$139.06$99.6K87,634(D)

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Jul 6, 2026Jul 6 3:46 PMThurman Alex R.
Proposed Sale
10,000$150.00$1.5M

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Jul 1, 2026Jul 1 4:37 PMNavratil Tomas
Proposed Sale
716$139.06$99.6K

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Jun 16, 2026Jun 18 11:34 PMTomas NavratilCHIEF DEVELOPMENT OFFICER
Sale
1,537$130.68$200.9K88,833(D)

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Jun 16, 2026Jun 16 3:03 PMNavratil Tomas
Proposed Sale
1,537$130.68$200.9K

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May 14, 2026May 18 11:38 PMGilbert H KlimanDirector
Sale
5,000$140.76$703.8K35,528(D)

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May 14, 2026May 14 8:04 PMKliman Gilbert H
Proposed Sale
5,000$140.76$703.8K

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May 11, 2026May 13 11:52 PMGilbert H KlimanDirector
Sale
5,000$135.00$675.0K35,528(D)

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May 11, 2026May 11 8:23 PMKliman Gilbert H
Proposed Sale
5,000$135.00$675.0K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
May 14, 2026May 18 11:38 PMGilbert H KlimanDirector
Option Exercise
5,000$24.690(D)

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May 11, 2026May 13 11:52 PMGilbert H KlimanDirector
Option Exercise
5,000$24.695,000(D)

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Apr 30, 2026May 4 10:40 PMAlex R. ThurmanSVP & CHIEF FINANCIAL OFFICER
Option Exercise
10,000$38.6830,000(D)

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Mar 25, 2026Mar 28 12:33 AMThomas William BurnsDirector, CHAIRMAN & CEO
Grant/Award
227,661$109.6098,474(D)

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Mar 25, 2026Mar 28 12:32 AMAlex R. ThurmanSVP & CHIEF FINANCIAL OFFICER
Grant/Award
28,743$109.6020,515(D)

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Mar 25, 2025Mar 28 12:32 AMAlex R. ThurmanSVP & CHIEF FINANCIAL OFFICER
Grant/Award
19,601$48.4619,601(D)

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Mar 25, 2026Mar 28 12:31 AMJoseph E GilliamPRESIDENT & COO
Grant/Award
75,168$55.1836,751(D)

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Feb 19, 2026Feb 23 10:24 PMAimee S WeisnerDirector
Option Exercise
15,000$24.690(D)

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Feb 9, 2026Feb 11 1:14 AMThomas William BurnsDirector, CHAIRMAN & CEO
Option Exercise
166,000$30.92100,000(D)

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Jan 22, 2026Jan 27 2:21 AMMarc StapleyDirector
Option Exercise
15,000$24.690(D)

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Jan 22, 2026Jan 27 2:05 AMJoseph E GilliamPRESIDENT & COO
Option Exercise
10,498$55.1830,713(D)

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Jan 21, 2026Jan 24 1:42 AMJoseph E GilliamPRESIDENT & COO
Option Exercise
4,502$55.1833,813(D)

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Jan 16, 2026Jan 20 11:37 PMThomas William BurnsDirector, CHAIRMAN & CEO
Option Exercise
186,945$16.490(D)

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Jan 8, 2026Jan 20 11:37 PMThomas William BurnsDirector, CHAIRMAN & CEO
Option Exercise
88,055$16.49186,945(D)

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