Glaukos Ownership & Insider Activity

Glaukos Corp

GKOSNYSE

$154.43

-0.45-0.29%

가까이에: Sep 25, 5:00 PM EST

$154.43

N/A

시간외: 4:33 PM EST

Glaukos (GKOS) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.2% of shares outstanding. Institutional investors hold 88.1%. Over the past 90 days, insiders made 4 sales worth $2.9M.

Shares Outstanding

58.984M

Shares Float

48.707M

Insider Shares Owned

717.691K

Insider % Owned

1.2%

Institutional Shares Held

51.950M

Institutional % Held

88.1%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$2.9M total

Net Activity

Net Selling

Net Value (90d)

-$2.9M

Date	Insider	Title	Type	Shares	Price	Value
Sep 16, 2026	Tomas Navratil	CHIEF DEVELOPMENT OFFICER	SELL	1.457K	$166.92	$243K
Aug 28, 2026	Tomas Navratil	CHIEF DEVELOPMENT OFFICER	SELL	13.744K	$180.67	$2.5M
Aug 19, 2026	Gilbert Kliman	—	SELL-OPTIONS	—	$107.89	$411K
Aug 11, 2026	Joseph Gilliam	PRESIDENT & COO	SELL-OPTIONS	—	$116.34	$7.6M
Aug 7, 2026	Alex Thurman	SVP & CHIEF FINANCIAL OFFICER	SELL-OPTIONS	—	$106.97	$2.9M
Jul 31, 2026	LEANA WEN	—	SELL	525.000	$167.63	$88K
Jul 16, 2026	Alex Thurman	SVP & CHIEF FINANCIAL OFFICER	SELL-OPTIONS	—	$99.34	$1.2M
Jul 9, 2026	Alex Thurman	SVP & CHIEF FINANCIAL OFFICER	SELL-OPTIONS	—	$96.84	$1.2M
Jul 6, 2026	Alex Thurman	SVP & CHIEF FINANCIAL OFFICER	SELL-OPTIONS	—	$94.34	$1.1M
Jul 1, 2026	Tomas Navratil	CHIEF DEVELOPMENT OFFICER	SELL	716.000	$139.06	$100K
Jun 16, 2026	Tomas Navratil	CHIEF DEVELOPMENT OFFICER	SELL	1.537K	$130.68	$201K
May 14, 2026	Gilbert Kliman	—	SELL-OPTIONS	—	$82.72	$580K
May 11, 2026	Gilbert Kliman	—	SELL-OPTIONS	—	$79.84	$552K
May 1, 2026	Joseph Gilliam	PRESIDENT & COO	SELL	19.573K	$143.54	$2.8M
May 1, 2026	LEANA WEN	—	SELL	1.700K	$143.35	$244K
Apr 30, 2026	Alex Thurman	SVP & CHIEF FINANCIAL OFFICER	SELL-OPTIONS	—	$89.34	$1.0M
Apr 10, 2026	Tomas Navratil	CHIEF DEVELOPMENT OFFICER	SELL	2.093K	$117.62	$246K