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GLAUKOS Corp

GKOS Net selling

CIK 0001192448 #891 in the set updated 17 Sep 2026

Bought (1 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (1 mo)

$2.96M

$0.00 on a plan · $475.00K straight out of an exercise

Sold at will

$2.48M

3 of 4 sales

Net

−$2.96M

−$2.48M against sales at will

By person

11 insiders · 4 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Navratil Tomas

CHIEF DEVELOPMENT OFFICER

—

$2.48M (3)

−$2.48M

73,890

0.1253%

$13.48M

+1.7%

Kliman Gilbert H

Director

—

$475.00K (1) scheduled

−$475.00K

37,406

0.0634%

$6.83M

+15.7%

Burns Thomas William

CHAIRMAN & CEO

—

1,210,560

2.05%

$220.93M

+23.9%

Gilliam Joseph E

PRESIDENT & COO

—

72,588

0.1231%

$13.25M

−29.2%

Foley Mark J

Director

—

60,267

0.1022%

$11.00M

+72.5%

WEISNER AIMEE S

Director

—

50,189

0.0851%

$9.16M

+11.2%

Hoffmeister David F

Director

—

49,549

0.0840%

$9.04M

+1,065%

Thurman Alex R.

SVP & CHIEF FINANCIAL OFFICER

—

43,906

0.0744%

$8.01M

−16.2%

Stapley Marc

Director

—

39,327

0.0667%

$7.18M

+15.4%

Torres Denice

Director

—

24,212

0.0410%

$4.42M

+26.5%

WEN LEANA

Director

—

21,092

0.0358%

$3.85M

+15.6%

Individual transactions

Insider

Date

Role

Action

Price

Amount

Navratil Tomas

28 Aug 2026

CHIEF DEVELOPMENT OFFICER

Sell

$182.50

$1.83K

Navratil Tomas

28 Aug 2026

CHIEF DEVELOPMENT OFFICER

Sell

6,091

$181.19

$1.10M

Navratil Tomas

28 Aug 2026

CHIEF DEVELOPMENT OFFICER

Sell

7,643

$180.25

$1.38M

Kliman Gilbert H

19 Aug 2026

Director

Sold after exercise

2,500

$190.00

$475.00K

What was left out

Form 4 filings counted 2

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 1

Sales at will 3

Transactions with no price 0

Shares from compensation/vesting 2,500

History held since 20 Oct 2016