Alex R. Thurman sold $3.6M of GKOS

sold $3.60m of GKOS

20,000 shares @ $180.13

Decreased holdings by -31.30%

Net across this filing: 0.00% (+0 shares)

Largest trade (out of 88)

Planned (10b5-1)Abnormally LargeLarge Trade

“The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025.”Form 4 footnote

Trade made by an officer

Executed under a pre-scheduled Rule 10b5-1 plan

Net holdings across this filing: +0.0% (+0 shares)

Abnormally large trade for this company

Price 51% above 200-day moving average

GKOSGLAUKOS Corp

HealthcareMedical Devices

1D0.00%

1W+0.20%

1M+20.39%

3M—

6M—

1Y—

Recent insider activity at GKOS

Aug 19Gilbert H. KlimanSold$475.00k Aug 11Joseph E. GilliamSold$5.78m Aug 11Joseph E. GilliamSold$5.00m Jul 31Leana WenSold$88.01k Jul 16Alex R. ThurmanSold$1.60m Jul 9Alex R. ThurmanSold$1.55m Jul 6Alex R. ThurmanSold$1.50m Jul 1Tomas NavratilSold$99.57k

Full GKOS profile →Alex R. Thurman’s trading history →

Recent insider activity at GKOS

The morning brief, before the bell.