Tomas Navratil
CIK: 0001920053
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
GLAUKOS Corp
Discretionary Trading P&L
Holdings
Transaction History (68 total)
- Oct 5, 2026GKOS
GLAUKOS Corp
Sale(S)Direct327 shares at avg. $164.78$54K - Oct 5, 2026GKOS
GLAUKOS Corp
Sale(S)Direct888 shares at avg. $163.93$146K - Oct 5, 2026GKOS
GLAUKOS Corp
Sale(S)Direct312 shares at avg. $165.60$52K - Sep 25, 2026GKOS
GLAUKOS Corp
Sale(S)Direct229 shares at avg. $154.24$35K - Sep 25, 2026GKOS
GLAUKOS Corp
Sale(S)Direct167 shares at avg. $151.70$25K - Sep 25, 2026GKOS
GLAUKOS Corp
Sale(S)Direct136 shares at avg. $152.71$21K - Sep 25, 2026GKOS
GLAUKOS Corp
Sale(S)Direct1.1K shares at avg. $154.88$168K - Sep 16, 2026GKOS
GLAUKOS Corp
Sale(S)Direct103 shares at avg. $163.20$17K - Sep 16, 2026GKOS
GLAUKOS Corp
Sale(S)Direct345 shares at avg. $164.60$57K - Sep 16, 2026GKOS
GLAUKOS Corp
Sale(S)Direct4 shares at avg. $172.00$688 - Sep 16, 2026GKOS
GLAUKOS Corp
Sale(S)Direct120 shares at avg. $168.38$20K - Sep 16, 2026GKOS
GLAUKOS Corp
Sale(S)Direct191 shares at avg. $166.20$32K - Sep 16, 2026GKOS
GLAUKOS Corp
Sale(S)Direct460 shares at avg. $167.32$77K - Sep 16, 2026GKOS
GLAUKOS Corp
Sale(S)Direct234 shares at avg. $170.95$40K - Aug 28, 2026GKOS
GLAUKOS Corp
Sale(S)Direct10 shares at avg. $182.50$2K - Aug 28, 2026GKOS
GLAUKOS Corp
Sale(S)Direct7.6K shares at avg. $180.25$1.4M - Aug 28, 2026GKOS
GLAUKOS Corp
Sale(S)Direct6.1K shares at avg. $181.19$1.1M - Jul 1, 2026GKOS
GLAUKOS Corp
Sale(S)Direct716 shares at avg. $139.06$100K - Jun 25, 2026GKOS
GLAUKOS Corp
Tax Payment(F)Direct483 shares at avg. $142.57$69K - Jun 16, 2026GKOS
GLAUKOS Corp
Sale(S)Direct1.5K shares at avg. $130.68$201K - Apr 10, 2026GKOS
GLAUKOS Corp
Sale(S)Direct210 shares at avg. $117.45$25K - Apr 10, 2026GKOS
GLAUKOS Corp
Sale(S)Direct1.2K shares at avg. $116.72$144K - Apr 10, 2026GKOS
GLAUKOS Corp
Sale(S)Direct614 shares at avg. $119.35$73K - Apr 10, 2026GKOS
GLAUKOS Corp
Sale(S)Direct32 shares at avg. $120.23$4K - Apr 2, 2026GKOS
GLAUKOS Corp
Tax Payment(F)Direct1.8K shares at avg. $109.60$201K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 5, 2026 | GKOS GLAUKOS Corp | Sale(S) | 327 | $164.78 | $53,883 | Direct |
| Oct 5, 2026 | GKOS GLAUKOS Corp | Sale(S) | 888 | $163.93 | $145,570 | Direct |
| Oct 5, 2026 | GKOS GLAUKOS Corp | Sale(S) | 312 | $165.60 | $51,667 | Direct |
| Sep 25, 2026 | GKOS GLAUKOS Corp | Sale(S) | 229 | $154.24 | $35,321 | Direct |
| Sep 25, 2026 | GKOS GLAUKOS Corp | Sale(S) | 167 | $151.70 | $25,334 | Direct |
| Sep 25, 2026 | GKOS GLAUKOS Corp | Sale(S) | 136 | $152.71 | $20,769 | Direct |
| Sep 25, 2026 | GKOS GLAUKOS Corp | Sale(S) | 1,083 | $154.88 | $167,735 | Direct |
| Sep 16, 2026 | GKOS GLAUKOS Corp | Sale(S) | 103 | $163.20 | $16,810 | Direct |
| Sep 16, 2026 | GKOS GLAUKOS Corp | Sale(S) | 345 | $164.60 | $56,787 | Direct |
| Sep 16, 2026 | GKOS GLAUKOS Corp | Sale(S) | 4 | $172.00 | $688 | Direct |
| Sep 16, 2026 | GKOS GLAUKOS Corp | Sale(S) | 120 | $168.38 | $20,206 | Direct |
| Sep 16, 2026 | GKOS GLAUKOS Corp | Sale(S) | 191 | $166.20 | $31,744 | Direct |
| Sep 16, 2026 | GKOS GLAUKOS Corp | Sale(S) | 460 | $167.32 | $76,967 | Direct |
| Sep 16, 2026 | GKOS GLAUKOS Corp | Sale(S) | 234 | $170.95 | $40,002 | Direct |
| Aug 28, 2026 | GKOS GLAUKOS Corp | Sale(S) | 10 | $182.50 | $1,825 | Direct |
| Aug 28, 2026 | GKOS GLAUKOS Corp | Sale(S) | 7,643 | $180.25 | $1,377,651 | Direct |
| Aug 28, 2026 | GKOS GLAUKOS Corp | Sale(S) | 6,091 | $181.19 | $1,103,628 | Direct |
| Jul 1, 2026 | GKOS GLAUKOS Corp | Sale(S) | 716 | $139.06 | $99,567 | Direct |
| Jun 25, 2026 | GKOS GLAUKOS Corp | Tax Payment(F) | 483 | $142.57 | $68,861 | Direct |
| Jun 16, 2026 | GKOS GLAUKOS Corp | Sale(S) | 1,537 | $130.68 | $200,855 | Direct |
| Apr 10, 2026 | GKOS GLAUKOS Corp | Sale(S) | 210 | $117.45 | $24,665 | Direct |
| Apr 10, 2026 | GKOS GLAUKOS Corp | Sale(S) | 1,237 | $116.72 | $144,383 | Direct |
| Apr 10, 2026 | GKOS GLAUKOS Corp | Sale(S) | 614 | $119.35 | $73,281 | Direct |
| Apr 10, 2026 | GKOS GLAUKOS Corp | Sale(S) | 32 | $120.23 | $3,847 | Direct |
| Apr 2, 2026 | GKOS GLAUKOS Corp | Tax Payment(F) | 1,831 | $109.60 | $200,678 | Direct |
1-25 of 68 transactions
About Navratil Tomas
Navratil Tomas (SEC CIK 0001920053) files insider reports with the SEC as CHIEF DEVELOPMENT OFFICER of GLAUKOS Corp (GKOS).
Signal8 holds 31 ownership filings by Navratil Tomas, all Form 4s, filed between Sep 23, 2024 and Oct 7, 2026. Those filings report 68 transactions, from Sep 19, 2024 to Oct 5, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Navratil Tomas's filings is in ALISO VIEJO, CA.
Recent filings by Navratil Tomas
- Oct 5, 2026: Open-market sales of GKOS shares (3 lines, Form 4, code S).
- Sep 25, 2026: Open-market sales of GKOS shares (4 lines, Form 4, code S).
- Sep 16, 2026: Open-market sales of GKOS shares (7 lines, Form 4, code S).
- Aug 28, 2026: Open-market sales of GKOS shares (3 lines, Form 4, code S).
- Jul 1, 2026: Open-market sale of GKOS shares (Form 4, code S).
Other insiders filing for GLAUKOS Corp (GKOS)
- Kliman Gilbert H, Director
- Gilliam Joseph E, PRESIDENT & COO
- Thurman Alex R., SVP & CHIEF FINANCIAL OFFICER
- WEN LEANA, Director
- Burns Thomas William, CHAIRMAN & CEO
- Foley Mark J, Director