Navratil Tomas

Insider

CHIEF DEVELOPMENT OFFICER

Trades at: GKOS

30D 90D 1Y

Net shares · 90d

-3.6K

0 buy · 3.6K sell

Net value · 90d

-$447.0K

$0 in · $447.0K out

Sentiment · 90d

Net selling

0% buying · 100% selling

Open-market trades · 90d

0 buy · 3.6K sell

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

Transactions · 90d

Open-market Buys Sells All types

GKOS Sell·S
Jun 16, 26

CHIEF DEVELOPMENT OFFICER · 10b5-1

$200.9K

1.5K sh · $130.68

Own -2%
GKOS Sell·S
Apr 10, 26

CHIEF DEVELOPMENT OFFICER · 10b5-1

$246.2K

2.1K sh · $117.62 avg · 4 lots

Own -2%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 16, 2026	GKOS	CHIEF DEVELOPMENT OFFICER	Sell S	1.5K	-2%	$130.68	$200.9K
Apr 10, 2026	GKOS	CHIEF DEVELOPMENT OFFICER	Sell S	2.1K4 lots	-2%	$117.62 avg	$246.2K

Buy Sell Non-market (grant · exercise · gift)

About Navratil Tomas

This profile aggregates every SEC Form 4 insider transaction reported by Navratil Tomas across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.