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$ Value

$0

Shares

4,168

Price

$0

Filed

Dec 15

Insider

Name

Burns Thomas William

Title

CHAIRMAN & CEO

CIK

0001644557

Roles

Director Officer

Transaction Details

Transaction Date

2025-12-11

Code

A

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

154,873

Footnotes

Represents shares of common stock underlying a portion of an award of restricted stock units previously granted by the Issuer on March 24, 2022, the vesting of which was subject to the Issuer's achievement of certain pre-determined operational targets over a multi-year performance period. The Compensation, Nominating and Governance Committee of the Issuer's Board of Directors determined that certain of the operational targets had been achieved. The number of shares of common stock reported herein consists of the portion of the award that was earned based upon the achievement of the operational targets. 50% of the number of shares of common stock reported herein will vest and be delivered in March 2026, and the remaining 50% will vest and be delivered in December 2026. | Includes 91,705 restricted stock units that have not yet vested or been delivered to the Reporting Person. | Represents a portion of an option to purchase shares of common stock previously granted by the Issuer on March 24, 2022, the vesting of which was subject to the Issuer's achievement of certain pre-determined operational targets over a multi-year performance period. The Compensation, Nominating & Governance Committee determined that certain of the operational targets had been achieved. The number of shares of common stock subject to the stock option as reported herein consists of the portion of the award that was earned based upon the achievement of the operational targets. | 50% of the portion of the option reported herein will vest and become exercisable in March 2026. 50% of the portion of the option reported herein will vest and become exercisable in December 2026.

Filing Info

Accession No.

0001644557-25-000008

Form Type

4

Issuer CIK

0001192448

Burns Thomas William's History

Date Ticker Type Value
2026-04-02 GKOS F $271K
2026-04-02 GKOS F $818K
2026-04-01 GKOS G $0
2026-04-01 GKOS G $0
2026-03-25 GKOS A $0
2026-03-25 GKOS A $0
2026-03-25 GKOS A $358.5M
2026-03-25 GKOS A $12155.9M
2026-03-25 GKOS A $9697.1M
2026-03-24 GKOS F $289K

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