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Insider · CIK 0001920053

Tomas Navratil

officer

Files at GKOS (GLAUKOS Corp). First filing Feb 19, 2025, latest Oct 7, 2026.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 7
$0 bought, $4.2M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

GKOS: GLAUKOS Corp

GKOSOct 9, 2026 · close 165.69

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
8Weak
GKOSsell10b5-1
GLAUKOS Corp
$251k
1,527 shares
-2%+120% from low-13% from high
8Weak
GKOSsell10b5-1
GLAUKOS Corp
$249k
1,615 shares
-2%+107% from low-19% from high
8Weak
GKOSsell10b5-1
GLAUKOS Corp
$243k
1,457 shares
-2%-
45Moderate
GKOSsell
GLAUKOS Corp
$2.5M
13,744 shares
-16%-
1Weak
GKOSsell10b5-1
GLAUKOS Corp
$44k
517 shares
-1%+5% from low-48% from high
12Weak
GKOSsell10b5-1
GLAUKOS Corp
$454k
5,142 shares
-6%+6% from low-46% from high
21Weak
GKOSsell 210b5-1
GLAUKOS Corp
$503k
3,416 shares
-5%-

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 5, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-888$163.93$146k69,9305 d ago
Oct 5, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-327$164.78$54k69,6035 d ago
Oct 5, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-312$165.60$52k69,2915 d ago
Sep 25, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-167$151.70$25k72,26614 d ago
Sep 25, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-136$152.71$21k72,13014 d ago
Sep 25, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-229$154.24$35k71,90114 d ago
Sep 25, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-1,083$154.88$168k70,81814 d ago
Sep 16, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-103$163.20$17k73,78724 d ago
Sep 16, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-345$164.60$57k73,44224 d ago
Sep 16, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-191$166.20$32k73,25124 d ago
Sep 16, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-460$167.32$77k72,79124 d ago
Sep 16, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-120$168.38$20k72,67124 d ago
Sep 16, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-234$170.95$40k72,43724 d ago
Sep 16, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-4$172.00$68872,43324 d ago
Aug 28, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock
-7,643$180.25$1.4M79,99141 d ago
Aug 28, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock
-6,091$181.19$1.1M73,90041 d ago
Aug 28, 2026GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock
-10$182.50$1,82573,89041 d ago
Sep 22, 2025GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-23$82.79$1,90476,884Sep 24, 2025
Sep 22, 2025GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-218$83.76$18k76,666Sep 24, 2025
Sep 22, 2025GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-276$84.70$23k76,390Sep 24, 2025
Sep 23, 2025GKOS
GLAUKOS Corp
FTax withholding
Common Stock10b5-1
-483$84.69$41k75,907Sep 24, 2025
Sep 18, 2025GKOS
GLAUKOS Corp
AGrant or award
Common Stock
+1,948$0.00$077,417Sep 22, 2025
Sep 19, 2025GKOS
GLAUKOS Corp
FTax withholding
Common Stock
-510$83.47$43k76,907Sep 22, 2025
Sep 11, 2025GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-3,194$87.98$281k77,417Sep 12, 2025
Sep 11, 2025GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-1,948$88.61$173k75,469Sep 12, 2025
May 27, 2025GKOS
GLAUKOS Corp
FTax withholding
Common Stock
-483$96.97$47k80,611May 28, 2025
May 7, 2025GKOS
GLAUKOS Corp
FTax withholding
Common Stock
-510$88.24$45k81,094May 9, 2025
Mar 31, 2025GKOS
GLAUKOS Corp
FTax withholding
Common Stock
-510$98.42$50k82,088Apr 2, 2025
Apr 1, 2025GKOS
GLAUKOS Corp
FTax withholding
Common Stock
-484$97.09$47k81,604Apr 2, 2025
Mar 25, 2025GKOS
GLAUKOS Corp
FTax withholding
Common Stock
-5,112$107.61$550k84,428Mar 27, 2025
Mar 25, 2025GKOS
GLAUKOS Corp
FTax withholding
Common Stock
-1,830$96.60$177k82,598Mar 27, 2025
Mar 13, 2025GKOS
GLAUKOS Corp
AGrant or award
Common Stock
+1,948$0.00$074,385Mar 17, 2025
Mar 13, 2025GKOS
GLAUKOS Corp
AGrant or award
Common Stock
+3,691$0.00$078,076Mar 17, 2025
Mar 13, 2025GKOS
GLAUKOS Corp
AGrant or award
Common Stock
+12,422$0.00$090,498Mar 17, 2025
Mar 17, 2025GKOS
GLAUKOS Corp
FTax withholding
Common Stock
-958$102.19$98k89,540Mar 17, 2025
Feb 14, 2025GKOS
GLAUKOS Corp
SOpen-market sale
Common Stock10b5-1
-3,416$147.14$503k72,437Feb 19, 2025
Jan 6, 2025GKOS
GLAUKOS Corp
FTax withholding
Common Stock
-1,185$149.68$177k75,853Jan 8, 2025
Dec 20, 2024GKOS
GLAUKOS Corp
FTax withholding
Common Stock
-509$145.14$74k75,723Jan 2, 2025
Dec 20, 2024GKOS
GLAUKOS Corp
FTax withholding
Common Stock
-484$138.93$67k75,239Jan 2, 2025
Dec 30, 2024GKOS
GLAUKOS Corp
AGrant or award
Common Stock
+2,054$0.00$077,293Jan 2, 2025
Dec 31, 2024GKOS
GLAUKOS Corp
FTax withholding
Common Stock
-255$151.16$39k77,038Jan 2, 2025
Oct 15, 2024GKOS
GLAUKOS Corp
FTax withholding
Common Stock
-510$130.07$66k76,232Oct 16, 2024

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Tomas Navratil: insider trades and track record | InsiderTell