Navratil Tomas

SEC Form 4 insider
CHIEF DEVELOPMENT OFFICER · GLAUKOS Corp ($GKOS)
1 thesis · first seen Sep 18, 2026
WindowThesesResolvedWinsWin rateAvg returnMedian return
1d1100%+5.9%+5.9%
3d111100%-3.7%-3.7%
1w1100%+1.4%+1.4%
1m000———
3m000———
6m000———
1y000———

Past performance does not predict future results. Informational only, not investment advice.

Thesis history

$GKOSSEC Form 4bearish
Sold 44,436 @ $238.97 avg · $10,618,980 · 2026-10-30

Form 4: Navratil Tomas sold GKOS

Navratil Tomas (CHIEF DEVELOPMENT OFFICER at GLAUKOS Corp) reported an open-market sale of 44,436 shares of GKOS at an average $238.97, roughly $10,618,980, in a Form 4 filed 2026-11-03.

At post $233.04Now $245.72+5.4% since postedas of Nov 13, 4:45 PM ET
1d+5.9%
3d-3.7%
1w+1.4%
1m—
3m—
6m—
1y—
View filing on SEC.gov →

End of results.