Joseph E Gilliam Glaukos Corp (GKOS) insider trading activity

Joseph E Gilliam is PRESIDENT & COO of GLAUKOS Corp. Currently has a direct ownership of 111,706 shares of GKOS, which is worth approximately $9.81 Million. The most recent transaction as insider was on Sep 23, 2025, when has been sold 1,056 shares (Common Stock) at a price of $84.69 per share, resulting in proceeds of $89,432. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 112K

2.76% 3M change

9.33% 12M change

Total Value Held $9.81 Million

Joseph E Gilliam Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 23 2025	SELL Payment of exercise price or tax liability	$89,432 $84.69 p/Share	1,056 Reduced 0.94%	111,706 Common Stock
Sep 18 2025	BUY Grant, award, or other acquisition	-	3,884 Added 3.33%	112,762 Common Stock
May 28 2025	SELL Payment of exercise price or tax liability	$102,497 $96.97 p/Share	1,057 Reduced 0.96%	108,711 Common Stock
Apr 01 2025	SELL Payment of exercise price or tax liability	$186,606 $97.09 p/Share	1,922 Reduced 1.72%	109,768 Common Stock
Mar 25 2025	SELL Payment of exercise price or tax liability	$1,666,435 $102.11 p/Share	16,320 Reduced 12.75%	111,690 Common Stock
Mar 17 2025	SELL Payment of exercise price or tax liability	$105,051 $102.19 p/Share	1,028 Reduced 0.8%	128,010 Common Stock
Mar 13 2025	BUY Grant, award, or other acquisition	-	27,833 Added 17.74%	129,038 Common Stock
Dec 20 2024	SELL Payment of exercise price or tax liability	$133,928 $138.93 p/Share	964 Reduced 0.94%	101,205 Common Stock
Dec 20 2024	SELL Open market or private sale	$499,033 $149.95 p/Share	3,328 Reduced 3.15%	102,169 Common Stock
Dec 20 2024	BUY Exercise of conversion of derivative security	$180,377 $54.2 p/Share	3,328 Added 3.06%	105,497 Common Stock
Oct 30 2024	SELL Open market or private sale	$316,156 $138.97 p/Share	2,275 Reduced 2.18%	102,169 Common Stock
Oct 30 2024	BUY Exercise of conversion of derivative security	$157,657 $69.3 p/Share	2,275 Added 2.13%	104,444 Common Stock
Aug 21 2024	SELL Open market or private sale	$648,250 $129.65 p/Share	5,000 Reduced 4.67%	102,169 Common Stock
Aug 21 2024	BUY Exercise of conversion of derivative security	$275,900 $55.18 p/Share	5,000 Added 4.46%	107,169 Common Stock
Jul 05 2024	SELL Open market or private sale	$273,127 $121.39 p/Share	2,250 Reduced 2.16%	101,845 Common Stock
Jul 05 2024	BUY Exercise of conversion of derivative security	$155,925 $69.3 p/Share	2,250 Added 2.12%	104,095 Common Stock
Jun 03 2024	SELL Open market or private sale	$284,825 $113.93 p/Share	2,500 Reduced 2.4%	101,845 Common Stock
Jun 03 2024	BUY Exercise of conversion of derivative security	$137,950 $55.18 p/Share	2,500 Added 2.34%	104,345 Common Stock
May 10 2024	SELL Open market or private sale	$264,791 $110.56 p/Share	2,395 Reduced 2.3%	101,845 Common Stock
May 10 2024	BUY Exercise of conversion of derivative security	$132,156 $55.18 p/Share	2,395 Added 2.25%	104,240 Common Stock
May 06 2024	SELL Open market or private sale	$11,587 $110.36 p/Share	105 Reduced 0.1%	101,845 Common Stock
May 06 2024	BUY Exercise of conversion of derivative security	$5,793 $55.18 p/Share	105 Added 0.1%	101,950 Common Stock
May 02 2024	SELL Open market or private sale	$218,109 $105.93 p/Share	2,059 Reduced 1.98%	101,845 Common Stock
May 02 2024	BUY Exercise of conversion of derivative security	$142,688 $69.3 p/Share	2,059 Added 1.94%	103,904 Common Stock
Apr 08 2024	SELL Open market or private sale	$6,033,322 $100.89 p/Share	59,801 Reduced 37.0%	101,845 Common Stock

JEG

Joseph E Gilliam

PRESIDENT & COO

San Clemente, CA

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