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$ Value

$0

Shares

36,751

Price

$0

Filed

Mar 27

Insider

Name

Gilliam Joseph E

Title

PRESIDENT & COO

CIK

0001705850

Roles

Officer

Transaction Details

Transaction Date

2026-03-25

Code

A

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

36,751

Footnotes

Represents shares of common stock underlying a portion of an award of restricted stock units previously granted by the Issuer on March 14, 2024, 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 on March 25, 2026 that certain of the operational targets had been achieved. The number of shares reported herein consists of the portion of the award that was deemed earned based upon the achievement of the operational target. 100% of the number of shares of common stock reported herein will vest and be delivered in March 2026. | Includes 31,962 restricted stock units that have not yet vested or been delivered to the Reporting Person. | Granted by the Issuer in the form of restricted stock units which vest over a four-year period, with 25% to vest on each anniversary of the grant date | Includes 49,754 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 Committee determined on December 15, 2022 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. | Represents a portion of an option to purchase shares of common stock previously granted by the Issuer to the Reporting Person on March 24, 2022 in connection with his promotion to President and Chief Operating Officer, the vesting of which was subject to the Issuer's achievement of certain multi-year performance goals. The Compensation, Nominating & Governance Committee determined on March 25, 2026 the level of achievement for the fourth year of the multi-year performance period. The number of shares of common stock subject to the stock option reported herein consists of the portion of the shares subject to the stock option that vested with respect to 100% of the fourth-year performance goal. | Represents shares of common stock underlying a portion of an award of restricted stock units previously granted by the Issuer on March 22, 2023, 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 on March 25, 2026 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.

Filing Info

Accession No.

0001705850-26-000014

Form Type

4

Issuer CIK

0001192448

Gilliam Joseph E's History

Date Ticker Type Value
2026-04-02 GKOS F $347K
2026-03-25 GKOS A $0
2026-03-25 GKOS A $0
2026-03-25 GKOS A $0
2026-03-25 GKOS A $0
2026-03-25 GKOS A $0
2026-03-24 GKOS F $518K
2026-03-24 GKOS F $777K
2026-03-23 GKOS F $300K
2026-01-22 GKOS M $579K

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