Joseph E. Gilliam - Mar 24, 2022 Form 4 Insider Report for GLAUKOS Corp (GKOS)

Role: CFO, SVP Corporate Development
Signature: /s/ Diana Scherer, Attorney-in-Fact
Stock symbol: GKOS
Transactions as of: Mar 24, 2022
Transactions value $: $0
Form type: 4
Date filed: 3/28/2022, 08:29 PM
Previous filing: Mar 18, 2022
Next filing: Apr 5, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GKOS	Common Stock	Award	$0	+3.89K	+10.57%	$0.00	40.7K	Mar 24, 2022	Direct	F1, F2
transaction	GKOS	Common Stock	Award	$0	+36.2K	+89.15%	$0.00	76.9K	Mar 24, 2022	Direct	F3, F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	GKOS	Stock Option (Right to Buy)	Award	$0	+5.27K	+77.03%	$0.00	12.1K	Mar 24, 2022	Common Stock	5.27K	$39.10	Direct	F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares of common stock underlying a portion of an award of restricted stock units previously granted by the Issuer on March 18, 2021, the vesting of which was subject to the Issuer's achievement of certain multi-year performance goals. The Compensation Committee of the Issuer's Board of Directors (the "Compensation Committee") determined on March 24, 2022 the level of achievement for the first year of the multi-year performance period. The Reporting Person elected to receive this performance grant in the form of restricted stock units. The number of shares reported herein consists of the portion of the award that was deemed earned based upon the achievement with respect to the first-year performance goal. 50% of the number of shares of common stock reported herein will vest and be delivered on April 6, 2022 and the remaining 50% will vest and be delivered on January 6, 2023.
F2	Includes 20,872 restricted stock units that have not yet vested or been delivered to the Reporting Person.
F3	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.
F4	Includes 57,117 restricted stock units that have not yet vested or been delivered to the Reporting Person.
F5	Represents a portion of an option to purchase shares of common stock previously granted by the Issuer on March 12, 2020, the vesting of which was subject to the Issuer's achievement of certain multi-year performance goals. The Compensation Committee of the Issuer's Board of Directors (the "Compensation Committee") determined on March 24, 2022 the level of achievement for the second year of the multi-year performance period. 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 with respect to the second-year performance goal. The portion of the option reported herein will vest and become exercisable on April 1, 2022.