Tomas Navratil
CIK 1920053 · CHIEF DEVELOPMENT OFFICER · last filed 2026-04-14
Tomas Navratil is a CHIEF DEVELOPMENT OFFICER who has filed 46 SEC Form 4 insider transactions across 1 company since 2022. The most recent filing shows the insider sold $246.2K of GKOS on Apr 14, 2026. Across all open-market trades the lifetime net is −$1.3M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $11.5M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$11.46M
1
46
-$1.35M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| GKOS | CHIEF DEVELOPMENT OFFICER | 90,370 | $126.81 | $11.46M | -$1.35M | 46 | 2026-04-14 |
Recent Filings
46 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-04-14 | GKOS | Sell (S) | −2,093 | -$246.2K | EDGAR |
| 2026-04-03 | GKOS | Tax (F) | −2,977 | -$326.3K | EDGAR |
| 2026-04-02 | GKOS | Tax (F) | −5,798 | -$635.5K | EDGAR |
| 2026-03-27 | GKOS | Grant (A) | +32,781 | $0 | EDGAR |
| 2026-03-25 | GKOS | Tax (F) | −5,174 | -$548.7K | EDGAR |
| 2026-03-19 | GKOS | Mixed | −1,989 | -$195.9K | EDGAR |
| 2026-03-17 | GKOS | Tax (F) | −1,074 | -$104.2K | EDGAR |
| 2026-03-09 | GKOS | Tax (F) | −361 | -$40.5K | EDGAR |
| 2026-02-26 | GKOS | Tax (F) | −396 | -$47.2K | EDGAR |
| 2025-12-31 | GKOS | Tax (F) | −510 | -$58.3K | EDGAR |