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▼ SELL 10b5-1 Plan

$ Value

$2K

Shares

23

Price

$83

Filed

Sep 24

Insider

Name

Navratil Tomas

Title

CHIEF DEVELOPMENT OFFICER

CIK

0001920053

Roles

Officer

Transaction Details

Transaction Date

2025-09-22

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

76,884

Footnotes

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025. | This transaction was executed in multiple trades at prices ranging from $82.20 to $82.96. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. | Includes 43,509 restricted stock units that have not yet vested or been delivered to the Reporting Person. | This transaction was executed in multiple trades at prices ranging from $83.22 to $84.19. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. | This transaction was executed in multiple trades at prices ranging from $84.35 to $85.11. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. | Consists of shares withheld by the Issuer with respect to tax withholding obligations of the Reporting Person upon vesting and delivery of shares of common stock underlying restricted stock units previously granted by the Issuer on March 18, 2021. | Includes 42,535 restricted stock units that have not yet vested or been delivered to the Reporting Person.

Filing Info

Accession No.

0001920053-25-000007

Form Type

4

Issuer CIK

0001192448

Navratil Tomas's History

Date Ticker Type Value
2026-04-10 GKOS $144K
2026-04-10 GKOS $25K
2026-04-10 GKOS $73K
2026-04-10 GKOS $4K
2026-04-02 GKOS F $126K
2026-04-02 GKOS F $201K
2026-03-31 GKOS F $635K
2026-03-25 GKOS A $0
2026-03-25 GKOS A $0
2026-03-25 GKOS A $0

Other Insiders at GKOS (90d)

Insider Bought Sold Last
Stapley Marc $1.9M 2026-01-22
Burns Thomas William
CHAIRMAN & CEO
2026-04-02
Gilliam Joseph E
PRESIDENT & COO
$1.3M 2026-04-02
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
$246K 2026-04-10
Thurman Alex R.
SVP & CHIEF FINANCIAL OFFICER
$427K 2026-04-02