INSIDER
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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 413m ago
HOUSE PTR13m ago
SEC 13F13m ago
ROBINHOOD CHAIN13m ago
Corporate insider
NT

Navratil Tomas

CHIEF DEVELOPMENT OFFICERCIK 0001920053

EDGAR filingsOpen in network
Disclosed transactions32
Buys / sells0 / 22
Max Insider Score32
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
0
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$25K
167 sh
Sep 25, 2026Sep 28, 2026
traded Sep 25, 2026
+3dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    GLAUKOS CorpCHIEF DEVELOPMENT OFFICER · Dec 15, 2025
1
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL
$168K
1,083 sh
Sep 25, 2026
Sep 28, 2026
traded Sep 25, 2026
+3d
SEC FORM 4

Evidence

0
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$35K
229 sh
Sep 25, 2026Sep 28, 2026
traded Sep 25, 2026
+3dSEC FORM 4

Evidence

0
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$21K
136 sh
Sep 25, 2026Sep 28, 2026
traded Sep 25, 2026
+3dSEC FORM 4

Evidence

1
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$77K
460 sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

0
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$32K
191 sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

0
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$20K
120 sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

1
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$57K
345 sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

0
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$40K
234 sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

0
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$17K
103 sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

0
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$688
4 sh
Sep 16, 2026Sep 18, 2026
traded Sep 16, 2026
+2dSEC FORM 4

Evidence

14
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale
SELL$1,825
10 sh
Aug 28, 2026Sep 1, 2026
traded Aug 28, 2026
+4dSEC FORM 4

Evidence

27
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale
SELL$1.38M
7,643 sh
Aug 28, 2026Sep 1, 2026
traded Aug 28, 2026
+4dSEC FORM 4

Evidence

27
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale
SELL$1.10M
6,091 sh
Aug 28, 2026Sep 1, 2026
traded Aug 28, 2026
+4dSEC FORM 4

Evidence

5
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Tax withholding
F$69K
483 sh
Jun 25, 2026Jun 29, 2026
traded Jun 25, 2026
+4dSEC FORM 4

Evidence

1
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$201K
1,537 sh
Jun 16, 2026Jun 18, 2026
traded Jun 16, 2026
+2dSEC FORM 4

Evidence

1
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$3,847
32 sh
Apr 10, 2026Apr 14, 2026
traded Apr 10, 2026
+4dSEC FORM 4

Evidence

4
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$73K
614 sh
Apr 10, 2026Apr 14, 2026
traded Apr 10, 2026
+4dSEC FORM 4

Evidence

4
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$144K
1,237 sh
Apr 10, 2026Apr 14, 2026
traded Apr 10, 2026
+4dSEC FORM 4

Evidence

1
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale · 10b5-1 plan
SELL$25K
210 sh
Apr 10, 2026Apr 14, 2026
traded Apr 10, 2026
+4dSEC FORM 4

Evidence

9
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Grant or award
A—
11.7K sh
Mar 25, 2026Mar 27, 2026
traded Mar 25, 2026
+2dSEC FORM 4

Evidence

9
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Grant or award
A—
12.8K sh
Mar 25, 2026Mar 27, 2026
traded Mar 25, 2026
+2dSEC FORM 4

Evidence

5
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Grant or award
A—
3,692 sh
Mar 25, 2026Mar 27, 2026
traded Mar 25, 2026
+2dSEC FORM 4

Evidence

9
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Grant or award
A—
4,622 sh
Mar 25, 2026Mar 27, 2026
traded Mar 25, 2026
+2dSEC FORM 4

Evidence

11
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Tax withholding
F$281K
2,628 sh
Mar 23, 2026Mar 25, 2026
traded Mar 23, 2026
+2dSEC FORM 4

Evidence

11
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Tax withholding
F$268K
2,546 sh
Mar 24, 2026Mar 25, 2026
traded Mar 24, 2026
+1dSEC FORM 4

Evidence

18
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Tax withholding
F$95K
958 sh
Mar 16, 2026Mar 19, 2026
traded Mar 16, 2026
+3dSEC FORM 4

Evidence

32
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale
SELL$27K
272 sh
Mar 16, 2026Mar 19, 2026
traded Mar 16, 2026
+3dSEC FORM 4

Evidence

32
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale
SELL$29K
299 sh
Mar 16, 2026Mar 19, 2026
traded Mar 16, 2026
+3dSEC FORM 4

Evidence

32
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Open-market sale
SELL$45K
460 sh
Mar 16, 2026Mar 19, 2026
traded Mar 16, 2026
+3dSEC FORM 4

Evidence

12
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Tax withholding
F$58K
510 sh
Dec 30, 2025Dec 31, 2025
traded Dec 30, 2025
+1dSEC FORM 4

Evidence

9
NT
Navratil TomasCHIEF DEVELOPMENT OFFICER
GKOSGLAUKOS Corp
Grant or award
A—
2,054 sh
Dec 11, 2025Dec 15, 2025
traded Dec 11, 2025
+4dSEC FORM 4

Evidence