X0306 4 2017-01-12 false 0001192448 GLAUKOS Corp GKOS 0001640771 Calcaterra Chris M. C/O GLAUKOS CORPORATION 229 AVENIDA FABRICANTE SAN CLEMENTE CA 92672 false true false false Chief Commercial Officer Common Stock 2017-01-12 4 M false 14413.00 7.275 A 254413.00 D Common Stock 2017-01-12 4 S false 14413.00 40.00 D 240000.00 D Common Stock 2017-01-13 4 M false 3723.00 7.275 A 243723.00 D Common Stock 2017-01-13 4 S false 3723.00 40.03 D 240000.00 D Stock Options (Right to buy) 7.275 2017-01-12 4 M false 14413.00 0.00 D 2024-07-10 Common Stock 14413.00 3723.00 D Stock Options (Right to buy) 7.275 2017-01-13 4 M false 3723.00 0.00 D 2024-07-10 Common Stock 3723.00 0.00 D These trades were made pursuant to a Rule 10b5-1 trading plan with pre-determined share amounts and prices. This transaction was executed in multiple trades at prices ranging from $40.00 to $40.03. 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 $40.00 to $40.245. 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 option, which represented the right to purchase a total of 110,000 shares, has a two-year vesting schedule in which 75% vested on July 10, 2015, the first anniversary of the grant date, and the remainder vested equally for 12 months thereafter, such that the stock option vested in full on July 31, 2016, the second anniversary of the grant date. /s/ Richard L. Harrison, Attorney-in-Fact 2017-01-17