GKOS insider trades & Congress trades
GLAUKOS Corp: public insider filings and Congress disclosures, in one place.
Bourse has recorded 26 open-market insider transactions in GLAUKOS Corp (GKOS) (0 purchases with code P and 26 sales with code S), the most recent on November 4, 2026.
In the last 90 days: 0 purchases by 0 insiders ($0) and 25 sales by 3 ($25.7M).
Insider transactions
SEC Form 4, open-market purchases (P) and sales (S) only. Awards, option exercises and tax withholding are excluded. “After” shows the stock’s return over the month following the trade, where available.
| Date | Insider | Role | Type | Shares | Price | Value | After 1M |
|---|---|---|---|---|---|---|---|
| Nov 4, 2026 | Kliman Gilbert H | – | Sell | 2,500 | $253.00 | $633K | – |
| Oct 30, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 10,221 | $237.54 | $2.43M | – |
| Oct 30, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 12,836 | $238.56 | $3.06M | – |
| Oct 30, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 14,943 | $239.64 | $3.58M | – |
| Oct 30, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 6,436 | $240.52 | $1.55M | – |
| Oct 5, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 888 | $163.93 | $146K | – |
| Oct 5, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 327 | $164.78 | $54K | – |
| Oct 5, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 312 | $165.60 | $52K | – |
| Sep 25, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 167 | $151.70 | $25K | +0.1% |
| Sep 25, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 136 | $152.71 | $21K | +0.1% |
| Sep 25, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 229 | $154.24 | $35K | +0.1% |
| Sep 25, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 1,083 | $154.88 | $168K | +0.1% |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 103 | $163.20 | $17K | +0.0% |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 345 | $164.60 | $57K | +0.0% |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 191 | $166.20 | $32K | +0.0% |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 460 | $167.32 | $77K | +0.0% |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 120 | $168.38 | $20K | +0.0% |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 234 | $170.95 | $40K | +0.0% |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 4 | $172.00 | $688 | +0.0% |
| Aug 28, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 7,643 | $180.25 | $1.38M | −0.1% |
| Aug 28, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 6,091 | $181.19 | $1.10M | −0.1% |
| Aug 28, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | Sell | 10 | $182.50 | $2K | −0.1% |
| Aug 19, 2026 | Kliman Gilbert H | – | Sell | 2,500 | $190.00 | $475K | −0.1% |
| Aug 11, 2026 | Gilliam Joseph E | PRESIDENT & COO | Sell | 27,963 | $178.89 | $5.00M | −0.1% |
| Aug 11, 2026 | Gilliam Joseph E | PRESIDENT & COO | Sell | 32,037 | $180.49 | $5.78M | −0.1% |
| Aug 7, 2026 | Thurman Alex R. | SVP & CHIEF FINANCIAL OFFICER | Sell | 20,000 | $180.13 | $3.60M | −0.1% |
Data as of November 8, 2026. Public filings only. A purchase or sale by a politician or an insider does not by itself imply any wrongdoing.
New to these filings? Read how to read a Form 4, how Congress trades are disclosed and what insider cluster buying means. Sources and limits are on the Methodology page.
See these filings as they land
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