Tomas Navratil

CHIEF DEVELOPMENT OFFICER · Glaukos

Tomas Navratil (CHIEF DEVELOPMENT OFFICER) filed 6 Form 4 reports in the trailing twelve months (0 purchases, 6 sales), most often in Glaukos Corporation (GKOS). The largest single filing was $10.6M of GKOS (44,436 sh across 4 lots, as filed), executed Oct 30. Data as of Nov 8 2026.

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Return, ttmiAverage return per filing, trailing twelve months

–

no purchases on file

Delay-adjustediThe same average, entered at disclosure dates

–

returns measure stock purchases only

Filings, ttm

0 buys · 6 sells

Median delay

–

measured on stock purchases

Volume, ttmiDollar value disclosed in the trailing twelve months

$13.8M

shares × price, as filed

Last traded

Oct 30

Filed Nov 3

Median ADV $192.4M across their filed names

Open performance→

Volume by month

Buys $0 Sells $14.7M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on

Healthcare 6 filings

Sector per market data · by filing · past 12 months

Most traded names

GKOS

Glaukos Corporation GKOS · 0 buys · 8 sells 8 filings

Recent filings

GKOSSALE Glaukos Corporation View filing → $10.6M
44,436 sh across 4 lots
Exec Oct 30
Filed Nov 3 · 9:45 PM ET GKOSSALE Glaukos Corporation View filing → $146K
888 sh × $163.93
Exec Oct 5
Filed Oct 7 · 7:07 PM ET GKOSSALE Glaukos Corporation View filing → $168K
1,083 sh × $154.88
Exec Sep 25
Filed Sep 28 · 6:23 PM ET GKOSSALE Glaukos Corporation View filing → $2.5M
13,734 sh across 2 lots
Exec Aug 28
Filed Sep 1 · 6:24 PM ET GKOSSALE Glaukos Corporation View filing → $201K
1,537 sh × $130.68
Exec Jun 16
Filed Jun 18 · 5:30 PM ET GKOSSALE Glaukos Corporation View filing → $144K
1,237 sh × $116.72
Exec Apr 10
Filed Apr 14 · 5:30 PM ET GKOSSALE Glaukos Corporation View filing → $454K
5,142 sh across 2 lots
Exec Sep 11 2025
Filed Sep 12 2025 · 5:30 PM ET GKOSSALE Glaukos Corporation View filing → $503K
3,416 sh × $147.14
Exec Feb 14 2025
Filed Feb 19 2025 · 5:30 PM ET