GILLIAM JOSEPH E (PRESIDENT & COO) sold 45.3% of their position (60K shares) of GLAUKOS CORP on the open market

Open‑market sale worth $10.78M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales

GILLIAM JOSEPH E

Filed: 8/13/2026ACC: 0001705850-26-000022

InsiderGILLIAM JOSEPH ECIK 1705850

→

IssuerGLAUKOS CORPCIK 1192448

Officer· PRESIDENT & COO

Since Feb 2026

-60K

Net shares

Net seller

$10.78M

Total sold

Open market trades

0B · 2S

Total transactions

60K acquired · 120K disposed

Non-Derivative Transactions6

Common Stock

Direct

M · Option Exercise

+10K

Price / share

$48.46

Trade value

$484.60K

% of position

13.8%

8/11/2026

72.59K→82.59K

Common Stock

Direct

M · Option Exercise

+20K

Price / share

$55.18

Trade value

$1.10M

% of position

24.2%

8/11/2026

82.59K→102.59K

Common Stock

Direct

M · Option Exercise

+20K

Price / share

$55.18

Trade value

$1.10M

% of position

19.5%

8/11/2026

102.59K→122.59K

Common Stock

Direct

M · Option Exercise

+10K

Price / share

$48.46

Trade value

$484.60K

% of position

8.2%

8/11/2026

122.59K→132.59K

Common Stock

Direct

S · Sale

−27.96K

Price / share

$178.89

Trade value

$5M

% of position

21.1%

8/11/2026

132.59K→104.63K

Common Stock

Direct

S · Sale

−32.04K

Price / share

$180.49

Trade value

$5.78M

% of position

30.6%

8/11/2026

104.63K→72.59K

Total

Net shares

+0.00

Net value

-$7.61M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	8/11/2026	M · Option Exercise	+10K	$48.46	$484.60K	13.8%	72.59K	82.59K
Common Stock Direct	8/11/2026	M · Option Exercise	+20K	$55.18	$1.10M	24.2%	82.59K	102.59K
Common Stock Direct	8/11/2026	M · Option Exercise	+20K	$55.18	$1.10M	19.5%	102.59K	122.59K
Common Stock Direct	8/11/2026	M · Option Exercise	+10K	$48.46	$484.60K	8.2%	122.59K	132.59K
Common Stock Direct	8/11/2026	S · Sale	−27.96K	$178.89	$5M	21.1%	132.59K	104.63K
Common Stock Direct	8/11/2026	S · Sale	−32.04K	$180.49	$5.78M	30.6%	104.63K	72.59K
Total			+0.00		-$7.61M

Derivative Transactions4

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

20K shares

−20K

Strike price

55.18

Held after

51.48K

Exercisable

—

8/11/2026

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

20K shares

−20K

Strike price

55.18

Held after

33.12K

Exercisable

—

8/11/2026

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

10K shares

−10K

Strike price

48.46

Held after

26.75K

Exercisable

—

8/11/2026

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

10K shares

−10K

Strike price

48.46

Held after

26.75K

Exercisable

—

8/11/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Stock20K shares	8/11/2026	M · Option Exercise	−20K	55.18	—	51.48K
Stock Option (Right to Buy) Direct	Common Stock20K shares	8/11/2026	M · Option Exercise	−20K	55.18	—	33.12K
Stock Option (Right to Buy) Direct	Common Stock10K shares	8/11/2026	M · Option Exercise	−10K	48.46	—	26.75K
Stock Option (Right to Buy) Direct	Common Stock10K shares	8/11/2026	M · Option Exercise	−10K	48.46	—	26.75K