GLAUKOS Corp — Director's Dealing 2021

May 5, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GLAUKOS Corp (GKOS)
CIK: 0001192448
Period of Report: 2021-05-03

Reporting Person: Gilliam Joseph E (CFO, SVP Corporate Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-03	Common Stock	M	10000	$41.69	Acquired	67739	Direct
2021-05-03	Common Stock	M	5000	$30.92	Acquired	72739	Direct
2021-05-03	Common Stock	S	13992	$93.18	Disposed	58747	Direct
2021-05-03	Common Stock	S	5258	$94.26	Disposed	53489	Direct
2021-05-03	Common Stock	S	750	$95.02	Disposed	52739	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-03	Stock Options (Right to Buy)	$41.69	M	10000	Disposed	2027-05-05	Common Stock (10000)	Direct
2021-05-03	Stock Options (Right to Buy)	$30.92	M	5000	Disposed	2028-03-14	Common Stock (5000)	Direct

Footnotes

F1: Includes 35,517 restricted stock units that have not yet vested or been delivered to the Reporting Person.

F2: These trades were made pursuant to a Rule 10b5-1 trading plan with pre-determined share amounts and prices.

F3: This transaction was executed in multiple trades at prices ranging from $92.78 to $93.74. 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.

F4: This transaction was executed in multiple trades at prices ranging from $93.81 to $94.80. 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.

F5: This transaction was executed in multiple trades at prices ranging from $94.93 to $95.10. 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.

F6: 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.