GLAUKOS Corp — Director's Dealing 2022

Apr 5, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GLAUKOS Corp (GKOS)
CIK: 0001192448
Period of Report: 2022-04-01

Reporting Person: Gilliam Joseph E (President & COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-04-01	Common Stock	F	1340	$60.78	Acquired	75858	Direct
2022-04-01	Common Stock	A	24679	—	Acquired	100537	Direct
2022-04-04	Common Stock	J	251	—	Acquired	100286	Direct

Footnotes

F1: 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.

F2: Includes 53,243 restricted stock units that have not yet vested or been delivered to the Reporting Person. Also includes 296 shares purchased by the Reporting Person pursuant to the Issuer's Employee Stock Purchase Plan.

F3: Granted by the Issuer in the form of restricted stock units which vest 50% on the third anniversary of the grant date and 50% on the fourth anniversary of the grant date.

F4: Includes 77,922 restricted stock units that have not yet vested or been delivered to the Reporting Person.

F5: In order to comply with the terms of a domestic relations order ("DRO") in connection with a marital dissolution, the Reporting Person's former spouse now holds the economic interest, and the Reporting Person no longer has any pecuniary interest, in the reported securities, which were reported above as directly owned by the Reporting Person. While the Reporting Person retains possession of the common stock until they are sold in connection with the DRO, the Reporting Person's former spouse will receive the economic benefits from, and the Reporting Person will have no discretion with respect to, such securities. (Continued in footnote 4)

F6: Accordingly, the Reporting Person will not report beneficial ownership or dispositions of these securities in future Section 16(a) reports, including to the extent such securities are sold pursuant to a Rule 10b5-1 trading plan that has been or may be adopted by the Reporting Person that includes these securities. Likewise, the number of shares of common stock of the Issuer that may be reported as withheld to satisfy tax obligations in Table 1 will not include the shares withheld with respect to the portion of the restricted stock units representing the former spouse's economic interest.