GKOS · GLAUKOS Corp · Insider Trading

Includes 38,817 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 $179.69 to $180.69. 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 38,817 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 $180.71 to $181.61. 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 38,817 restricted stock units that have not yet vested or been delivered to the Reporting Person.

Includes 2,501 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person.

Includes 2,501 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person.

Includes 41,983 restricted stock units that have not yet vested or been delivered to the Reporting Person and and 225 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan.

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.

These options vest over four years from the grant date, with 25% vesting on the first anniversary of the grant date and the remaining amount vesting in equal monthly installments over the following three years.

This transaction was executed in multiple trades at prices ranging from $178.60 to $179.58). 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.

Includes 41,983 restricted stock units that have not yet vested or been delivered to the Reporting Person and and 225 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan.

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.

Total amount reported has been adjusted to correct a typographical error made in a Form 4 report filed by the Reporting Person on March 17, 2025, in which 13,721 stock options earned were erroneously reported as 13,271 stock options.

Includes 41,983 restricted stock units that have not yet vested or been delivered to the Reporting Person and and 225 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan.

Includes 41,983 restricted stock units that have not yet vested or been delivered to the Reporting Person and and 225 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan.

This transaction was executed in multiple trades at prices ranging from $179.68 to $180.60). 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 41,983 restricted stock units that have not yet vested or been delivered to the Reporting Person and and 225 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan.

Represents a portion of an option to purchase shares of common stock 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.

Includes 41,983 restricted stock units that have not yet vested or been delivered to the Reporting Person and and 225 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan.

Includes 5,230 restricted stock units that have not yet vested or been delivered to the Reporting Person and and 225 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan.

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.

This transaction was executed in multiple trades at prices ranging from $180.00 to $180.42. 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 5,230 restricted stock units that have not yet vested or been delivered to the Reporting Person and and 225 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan.

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

These options vest over four years from the grant date, with 25% vesting on the first anniversary of the grant date and the remaining amount vesting in equal monthly installments over the following three years.

Includes 2,501 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by 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 December 15, 2025.

Includes 5,230 restricted stock units that have not yet vested or been delivered to the Reporting Person and and 225 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan.

Includes 5,230 restricted stock units that have not yet vested or been delivered to the Reporting Person and and 225 stock units purchased by the Reporting Person through the Issuer's Employee Stock Purchase Plan.

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

These options vest over four years from the grant date, with 25% vesting on the first anniversary of the grant date and the remaining amount vesting in equal monthly installments over the following three years.

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

These options vest over four years from the grant date, with 25% vesting on the first anniversary of the grant date and the remaining amount vesting in equal monthly installments over the following three years.

Includes 5,230 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 December 15, 2025.

Includes 5,230 restricted stock units that have not yet vested or been delivered to the Reporting Person.

Includes 5,230 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 December 15, 2025.

Includes 5,230 restricted stock units that have not yet vested or been delivered to the Reporting Person.

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

These options vest over four years from the grant date, with 25% vesting on the first anniversary of the grant date and the remaining amount vesting in equal monthly installments over the following three years.

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 12, 2026.

Includes 38,817 restricted stock units that have not yet vested or been delivered to the Reporting Person.

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 56,382 restricted stock units that have not yet vested or been delivered to the Reporting Person.

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 41,983 restricted stock units that have not yet vested or been delivered to the Reporting Person.

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 38,817 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 March 12, 2026.

Includes 39,791 restricted stock units that have not yet vested or been delivered to the Reporting Person.

This Form 4A amends a Form 4 filed June 1, 2026 that incorrectly reported the exercise price of options granted to the Reporting Person on May 28, 2026 as $53.57. The correct exercise price for the options granted is $106.52, as shown above.

Granted pursuant to the Issuer's Director Compensation Policy. Vests in full on the one-year anniversary of grant date.

This Form 4A amends a Form 4 filed June 1, 2026 that incorrectly reported the exercise price of options granted to the Reporting Person on May 28, 2026 as $53.57. The correct exercise price for the options granted is $106.52, as shown above.

Granted pursuant to the Issuer's Director Compensation Policy. Vests in full on the one-year anniversary of grant date.

This Form 4A amends a Form 4 filed June 1, 2026 that incorrectly reported the exercise price of options granted to the Reporting Person on May 28, 2026 as $53.57. The correct exercise price for the options granted is $106.52, as shown above.

Granted pursuant to the Issuer's Director Compensation Policy. Vests in full on the one-year anniversary of grant date.

This Form 4A amends a Form 4 filed June 1, 2026 that incorrectly reported the exercise price of options granted to the Reporting Person on May 28, 2026 as $53.57. The correct exercise price for the options granted is $106.52, as shown above.

Granted pursuant to the Issuer's Director Compensation Policy. Vests in full on the one-year anniversary of grant date.

This Form 4A amends a Form 4 filed June 1, 2026 that incorrectly reported the exercise price of options granted to the Reporting Person on May 28, 2026 as $53.57. The correct exercise price for the options granted is $106.52, as shown above.

Granted pursuant to the Issuer's Director Compensation Policy. Vests in full on the one-year anniversary of grant date.

This Form 4A amends a Form 4 filed June 1, 2026 that incorrectly reported the exercise price of options granted to the Reporting Person on May 28, 2026 as $53.57. The correct exercise price for the options granted is $106.52, as shown above.

Granted pursuant to the Issuer's Director Compensation Policy. Vests in full on the one-year anniversary of grant date.

This Form 4A amends a Form 4 filed June 1, 2026 that incorrectly reported the exercise price of options granted to the Reporting Person on May 28, 2026 as $53.57. The correct exercise price for the options granted is $106.52, as shown above.

Granted pursuant to the Issuer's Director Compensation Policy. Vests in full on the one-year anniversary of grant date.

This option was granted on June 2, 2016 and fully vested on the first anniversary of the grant date.

Includes 2,861 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person.

This option was granted on June 2, 2016 and fully vested on the first anniversary of the grant date.

Includes 2,731 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person.

Includes 2,731 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person.

Includes 2,731 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person.

This option was granted on June 2, 2016 and fully vested on the first anniversary of the grant date.

Includes 2,731 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person.

Includes 2,731 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person.