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▼ SELL 10b5-1 Plan

$ Value

$413K

Shares

3,194

Price

$129

Filed

Jan 26

Insider

Name

Gilliam Joseph E

Title

PRESIDENT & COO

CIK

0001705850

Roles

Officer

Transaction Details

Transaction Date

2026-01-22

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

92,366

Footnotes

Includes 62,605 restricted stock units that have not yet vested or been delivered to the Reporting Person. | The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2025. | This transaction was executed in multiple trades at prices ranging from $125.56 to $126.55. 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 $126.62 to $127.58. 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 $127.83 to $128.77. 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 $128.98 to $129.81. 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. | The option exercises reported in this Form 4 were effectuated pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2025. | 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. | 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.

Filing Info

Accession No.

0001705850-26-000004

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
$927K 2026-04-02
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
$246K 2026-04-10
Thurman Alex R.
SVP & CHIEF FINANCIAL OFFICER
$427K 2026-04-02