GKOS Insider Trading Activity and SEC Form 4 Filings
Trump's trades in GKOS
From his financial disclosures
$31K+
3 purchases
$66K+
3 sales
Sale
Jul 29, 2026
Reported 55d later
$50K - $100K
Purchase
Jun 15, 2026
Reported 68d later
$1K - $15K
Sale
May 15, 2026
Reported 47d later
$15K - $50K
Purchase
Mar 30, 2026
Reported 45d later
$15K - $50K
Sale
Feb 26, 2026
Reported 77d later
$1K - $15K
Purchase
Jan 26, 2026
Reported 108d later
$15K - $50K
Many orders in these accounts are placed by the account manager.
GKOS insider trading summary
Over the past 12 months, insiders at GLAUKOS Corp (GKOS) reported 64 sales worth $80.1M by 8 insiders and no open-market purchases on SEC Form 4. Net insider selling was $80.1M.
Latest GKOS insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Nov 4, 2026 | Gilbert H Kliman | Insider | Sell | $633K (2,500 @ $253.00) |
| Oct 30, 2026 | Tomas Navratil | Chief Development Officer | Sell | $3.6M (14,943 @ $239.64) |
| Oct 30, 2026 | Tomas Navratil | Chief Development Officer | Sell | $1.5M (6,436 @ $240.52) |
| Oct 30, 2026 | Tomas Navratil | Chief Development Officer | Sell | $3.1M (12,836 @ $238.56) |
| Oct 30, 2026 | Tomas Navratil | Chief Development Officer | Sell | $2.4M (10,221 @ $237.54) |
| Oct 5, 2026 | Tomas Navratil | Chief Development Officer | Sell | $52K (312 @ $165.60) |
| Oct 5, 2026 | Tomas Navratil | Chief Development Officer | Sell | $146K (888 @ $163.93) |
| Oct 5, 2026 | Tomas Navratil | Chief Development Officer | Sell | $54K (327 @ $164.78) |
| Sep 25, 2026 | Tomas Navratil | Chief Development Officer | Sell | $25K (167 @ $151.70) |
| Sep 25, 2026 | Tomas Navratil | Chief Development Officer | Sell | $168K (1,083 @ $154.88) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.