GKOS
GLAUKOS Corp
Latest Form 4:Sale$475KbyKliman Gilbert H (Director) · filed Aug 21, 2026
GLAUKOS Corp (GKOS) has 77 SEC Form 4 filings (140 transaction rows) in the rolling window, disclosed by 8 distinct insiders. Most recent filing: Aug 21, 2026.
The most active filer is SVP & CHIEF FINANCIAL OFFICER Thurman Alex R. with 9 filings. Insiders have net sold $28.3M over the trailing 6 months.
- Industry:Medical - Devices
- CEO:Thomas William Burns
- Employees:995
- HQ:Aliso Viejo, CA, US
- IPO:2015-06-25
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$66.6M
reported sales (SEC code S)
Unique Insiders
8
in the rolling window
Market Cap
$10.6B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
Kliman Gilbert HFirst in 3 months | Director | Sale | 2,500 | $475K | Aug 21 | SEC ↗ |
Gilliam Joseph EFirst in 3 months | PRESIDENT & COO | Sale | 60,000 | $10.8M | Aug 13 | SEC ↗ |
| SVP & CHIEF FINANCIAL OFFICER | Sale | 20,000 | $3.6M | Aug 11 | SEC ↗ | |
WEN LEANAFirst in 3 months | Director | Sale | 525 | $88K | Aug 3 | SEC ↗ |
| SVP & CHIEF FINANCIAL OFFICER | Sale | 10,000 | $1.6M | Jul 21 | SEC ↗ | |
| SVP & CHIEF FINANCIAL OFFICER | Sale | 10,000 | $1.6M | Jul 14 | SEC ↗ | |
| SVP & CHIEF FINANCIAL OFFICER | Sale | 10,000 | $1.5M | Jul 9 | SEC ↗ | |
| CHIEF DEVELOPMENT OFFICER | Sale | 716 | $100K | Jul 9 | SEC ↗ | |
| CHIEF DEVELOPMENT OFFICER | Sale | 1,537 | $201K | Jun 18 | SEC ↗ | |
| Director | Sale | 5,000 | $704K | May 18 | SEC ↗ | |
Kliman Gilbert HFirst in 5 months | Director | Sale | 5,000 | $675K | May 13 | SEC ↗ |
| SVP & CHIEF FINANCIAL OFFICER | Sale | 10,000 | $1.4M | May 4 | SEC ↗ | |
Gilliam Joseph EFirst in 3 months | PRESIDENT & COO | Sale | 19,573 | $2.8M | May 4 | SEC ↗ |
WEN LEANAFirst filing | Director | Sale | 1,700 | $244K | May 4 | SEC ↗ |
| CHIEF DEVELOPMENT OFFICER | Sale | 2,093 | $246K | Apr 14 | SEC ↗ | |
| SVP & CHIEF FINANCIAL OFFICER | Sale | 2,511 | $267K | Mar 27 | SEC ↗ | |
| SVP & CHIEF FINANCIAL OFFICER | Sale | 1,521 | $160K | Mar 25 | SEC ↗ | |
Navratil TomasFirst in 6 months | CHIEF DEVELOPMENT OFFICER | Sale | 1,031 | $101K | Mar 19 | SEC ↗ |
Thurman Alex R.First in 4 months | SVP & CHIEF FINANCIAL OFFICER | Sale | 625 | $62K | Mar 19 | SEC ↗ |
WEISNER AIMEE SFirst filing | Director | Sale | 15,000 | $1.8M | Feb 23 | SEC ↗ |
| Director | Sale | 15,000 | $1.9M | Jan 26 | SEC ↗ | |
| PRESIDENT & COO | Sale | 10,498 | $1.3M | Jan 26 | SEC ↗ | |
| PRESIDENT & COO | Sale | 4,502 | $561K | Jan 23 | SEC ↗ | |
Burns Thomas WilliamFirst filing | CHAIRMAN & CEO | Sale | 88,055 | $10.1M | Jan 20 | SEC ↗ |
Burns Thomas WilliamFirst filing | CHAIRMAN & CEO | Sale | 186,945 | $21.5M | Jan 20 | SEC ↗ |
Kliman Gilbert HFirst filing | Director | Sale | 5,000 | $536K | Dec 11 | SEC ↗ |
Thurman Alex R.First filing | SVP & CHIEF FINANCIAL OFFICER | Sale | 315 | $33K | Nov 26 | SEC ↗ |
Gilliam Joseph EFirst filing | PRESIDENT & COO | Sale | 19,340 | $1.7M | Nov 20 | SEC ↗ |
| CHIEF DEVELOPMENT OFFICER | Sale | 517 | $44K | Sep 24 | SEC ↗ | |
Navratil TomasFirst filing | CHIEF DEVELOPMENT OFFICER | Sale | 5,142 | $454K | Sep 12 | SEC ↗ |
Related companies
GLAUKOS Corp is in the Healthcare sector.