CIK 0001192448 · Large accelerated filer
GLAUKOS Corp
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- 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.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-03-16 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | −272 | $99.05 | $27K | 73,631 |
| 2026-03-16 | Gilliam Joseph E PRESIDENT & COO | Shares withheld for taxes | −1,189 | $98.94 | $118K | 87,658 |
| 2026-03-16 | Burns Thomas William CHAIRMAN & CEO | Shares withheld for taxes | −2,801 | $98.94 | $277K | 242,451 |
| 2026-03-13 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Shares withheld for taxes | −1,074 | $97.02 | $104K | 75,620 |
| 2026-03-13 | Gilliam Joseph E PRESIDENT & COO | Shares withheld for taxes | −2,462 | $97.02 | $239K | 88,847 |
| 2026-03-13 | Burns Thomas William CHAIRMAN & CEO | Shares withheld for taxes | −5,212 | $97.02 | $506K | 245,252 |
| 2026-03-05 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Shares withheld for taxes | −361 | $112.10 | $40K | 76,694 |
| 2026-03-05 | Burns Thomas William CHAIRMAN & CEO | Shares withheld for taxes | −1,098 | $112.10 | $123K | 250,464 |
| 2026-02-24 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Shares withheld for taxes | −396 | $119.17 | $47K | 77,055 |
| 2026-02-24 | Gilliam Joseph E PRESIDENT & COO | Shares withheld for taxes | −1,057 | $119.17 | $126K | 91,309 |
| 2026-02-24 | Burns Thomas William CHAIRMAN & CEO | Shares withheld for taxes 10b5-1 | −4,059 | $119.17 | $484K | 251,562 |
| 2026-02-19 | WEISNER AIMEE S Director | Gift | −980 | 18,806 | ||
| 2026-02-19 | WEISNER AIMEE S Director | Gift | +980 | 29,505 | ||
| 2026-02-19 | WEISNER AIMEE S Director | Option exercise | +15,000 | $24.69 | $370K | 33,806 |
| 2026-02-19 | WEISNER AIMEE S Director | Sale | −2,153 | $115.69 | $249K | 31,653 |
| 2026-02-19 | WEISNER AIMEE S Director | Sale | −5,242 | $116.64 | $611K | 26,411 |
| 2026-02-19 | WEISNER AIMEE S Director | Sale | −1,134 | $117.33 | $133K | 25,277 |
| 2026-02-19 | WEISNER AIMEE S Director | Sale | −6,471 | $118.56 | $767K | 18,806 |
| 2026-02-19 | WEISNER AIMEE S Director | Option exercise · Stock Option (Right to Buy) | −15,000 | 0 | ||
| 2026-02-09 | Burns Thomas William CHAIRMAN & CEO | Option exercise | +166,000 | $30.92 | $5.1M | 255,621 |
Page 8 of 12 · 236 trades