Navratil Tomas Insider Trading -- Recent SEC Form 4 Transactions
Navratil Tomas (CIK 1920053) reported 52 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-10-07). Recent activity: Sell GKOS (888 shares), Sell GKOS (327 shares), Sell GKOS (312 shares), Sell GKOS (167 shares), Sell GKOS (136 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-07 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 888 | $145,570 |
| 2026-10-07 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 327 | $53,883 |
| 2026-10-07 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 312 | $51,667 |
| 2026-09-28 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 167 | $25,334 |
| 2026-09-28 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 136 | $20,769 |
| 2026-09-28 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 229 | $35,321 |
| 2026-09-28 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 1,083 | $167,735 |
| 2026-09-18 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 234 | $40,002 |
| 2026-09-18 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 345 | $56,787 |
| 2026-09-18 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 191 | $31,744 |
| 2026-09-18 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 460 | $76,967 |
| 2026-09-18 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 120 | $20,206 |
| 2026-09-18 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 103 | $16,810 |
| 2026-09-18 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 4 | $688 |
| 2026-09-01 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 7,643 | $1.4M |
| 2026-09-01 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 6,091 | $1.1M |
| 2026-09-01 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 10 | $1,825 |
| 2026-07-08 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 716 | $99,567 |
| 2026-06-29 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 483 | $68,861 |
| 2026-06-18 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 1,537 | $200,855 |
| 2026-04-14 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 1,237 | $144,383 |
| 2026-04-14 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 210 | $24,664 |
| 2026-04-14 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 614 | $73,281 |
| 2026-04-14 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 32 | $3,847 |
| 2026-04-03 | GLAUKOS Corp (GKOS) | CHIEF DEVELOPMENT OFFICER | Sell | 1,146 | $125,602 |
Source: SEC Form 4 filings · as of 2026-10-07