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CIK 0001192448 · Large accelerated filer

GLAUKOS Corp

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Ticker
GKOS
Exchange
NYSE
Industry
Surgical & Medical Instruments & Apparatus
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
949-367-9600
Business address
1 GLAUKOS WAY, ALISO VIEJO, CA, 92656
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$14,953,066
in 7 filings, $743K under 10b5-1 plans

Net −$14,953,066. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-04-02 Navratil Tomas CHIEF DEVELOPMENT OFFICER Shares withheld for taxes −1,146 $109.60 $126K 94,294
2026-04-02 Navratil Tomas CHIEF DEVELOPMENT OFFICER Shares withheld for taxes −1,831 $109.60 $201K 92,463
2026-04-02 Gilliam Joseph E PRESIDENT & COO Shares withheld for taxes −3,169 $109.60 $347K 92,992
2026-04-02 Burns Thomas William CHAIRMAN & CEO Shares withheld for taxes −2,469 $109.60 $271K 80,494
2026-04-02 Burns Thomas William CHAIRMAN & CEO Shares withheld for taxes −7,468 $109.60 $818K 73,026
2026-04-01 Burns Thomas William CHAIRMAN & CEO Gift −180,308 82,963
2026-04-01 Burns Thomas William CHAIRMAN & CEO Gift +180,308 1,141,593
2026-03-31 Navratil Tomas CHIEF DEVELOPMENT OFFICER Shares withheld for taxes −5,798 $109.60 $635K 95,440
2026-03-25 Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER Sale 10b5-1 −2,511 $106.46 $267K 41,967
2026-03-25 Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER Grant or award 10b5-1 +3,303 45,270
2026-03-25 Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER Grant or award · Stock Option (Right to Buy) 10b5-1 +8,228 45,738
2026-03-25 Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER Grant or award · Stock Option (Right to Buy) 10b5-1 +20,515 20,515
2026-03-25 Navratil Tomas CHIEF DEVELOPMENT OFFICER Grant or award +4,622 73,079
2026-03-25 Navratil Tomas CHIEF DEVELOPMENT OFFICER Grant or award +11,693 84,772
2026-03-25 Navratil Tomas CHIEF DEVELOPMENT OFFICER Grant or award +3,692 88,464
2026-03-25 Navratil Tomas CHIEF DEVELOPMENT OFFICER Grant or award +12,774 101,238
2026-03-25 Gilliam Joseph E PRESIDENT & COO Grant or award +5,829 78,369
2026-03-25 Gilliam Joseph E PRESIDENT & COO Grant or award +17,792 96,161
2026-03-25 Gilliam Joseph E PRESIDENT & COO Grant or award · Stock Option (Right to Buy) +16,462 71,475
2026-03-25 Gilliam Joseph E PRESIDENT & COO Grant or award · Stock Option (Right to Buy) +21,955 52,668

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