Tomas Navratil Glaukos Corp (GKOS) insider trading activity

Tomas Navratil is CHIEF DEVELOPMENT OFFICER of GLAUKOS Corp. Currently has a direct ownership of 75,907 shares of GKOS, which is worth approximately $6.66 Million. The most recent transaction as insider was on Sep 23, 2025, when has been sold 483 shares (Common Stock) at a price of $84.69 per share, resulting in proceeds of $40,905. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 75.9K

5.84% 3M change

0.43% 12M change

Total Value Held $6.66 Million

Tomas Navratil Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 23 2025	SELL Payment of exercise price or tax liability	$40,905 $84.69 p/Share	483 Reduced 0.63%	75,907 Common Stock
Sep 22 2025	SELL Open market or private sale	$43,298 $83.75 p/Share	517 Reduced 0.67%	76,390 Common Stock
Sep 19 2025	SELL Payment of exercise price or tax liability	$42,569 $83.47 p/Share	510 Reduced 0.66%	76,907 Common Stock
Sep 18 2025	BUY Grant, award, or other acquisition	-	1,948 Added 2.45%	77,417 Common Stock
Sep 11 2025	SELL Open market or private sale	$454,038 $88.3 p/Share	5,142 Reduced 6.38%	75,469 Common Stock
May 27 2025	SELL Payment of exercise price or tax liability	$46,836 $96.97 p/Share	483 Reduced 0.6%	80,611 Common Stock
May 07 2025	SELL Payment of exercise price or tax liability	$45,002 $88.24 p/Share	510 Reduced 0.62%	81,094 Common Stock
Apr 01 2025	SELL Payment of exercise price or tax liability	$46,991 $97.09 p/Share	484 Reduced 0.59%	81,604 Common Stock
Mar 31 2025	SELL Payment of exercise price or tax liability	$50,194 $98.42 p/Share	510 Reduced 0.62%	82,088 Common Stock
Mar 25 2025	SELL Payment of exercise price or tax liability	$708,847 $102.11 p/Share	6,942 Reduced 7.75%	82,598 Common Stock
Mar 17 2025	SELL Payment of exercise price or tax liability	$97,898 $102.19 p/Share	958 Reduced 1.06%	89,540 Common Stock
Mar 13 2025	BUY Grant, award, or other acquisition	-	18,061 Added 16.64%	90,498 Common Stock
Feb 14 2025	SELL Open market or private sale	$502,630 $147.14 p/Share	3,416 Reduced 4.5%	72,437 Common Stock
Jan 06 2025	SELL Payment of exercise price or tax liability	$177,370 $149.68 p/Share	1,185 Reduced 1.54%	75,853 Common Stock
Dec 31 2024	SELL Payment of exercise price or tax liability	$38,545 $151.16 p/Share	255 Reduced 0.33%	77,038 Common Stock
Dec 30 2024	BUY Grant, award, or other acquisition	-	2,054 Added 2.59%	77,293 Common Stock
Dec 20 2024	SELL Payment of exercise price or tax liability	$141,035 $142.03 p/Share	993 Reduced 1.3%	75,239 Common Stock
Oct 15 2024	SELL Payment of exercise price or tax liability	$66,335 $130.07 p/Share	510 Reduced 0.66%	76,232 Common Stock
Sep 19 2024	BUY Grant, award, or other acquisition	-	4,108 Added 5.08%	76,742 Common Stock
Aug 06 2024	SELL Payment of exercise price or tax liability	$62,779 $120.73 p/Share	520 Reduced 0.71%	72,634 Common Stock
Jun 24 2024	SELL Payment of exercise price or tax liability	$48,427 $93.13 p/Share	520 Reduced 0.71%	73,154 Common Stock
Apr 01 2024	SELL Payment of exercise price or tax liability	$45,991 $93.1 p/Share	494 Reduced 0.67%	73,674 Common Stock
Mar 28 2024	SELL Payment of exercise price or tax liability	$443,856 $88.4 p/Share	5,021 Reduced 6.34%	74,168 Common Stock
Mar 25 2024	SELL Payment of exercise price or tax liability	$40,006 $87.16 p/Share	459 Reduced 0.58%	79,189 Common Stock
Mar 14 2024	BUY Grant, award, or other acquisition	-	14,052 Added 15.0%	79,648 Common Stock

Tomas Navratil

CHIEF DEVELOPMENT OFFICER

San Clemente, CA

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