Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-37463 GLAUKOS CORPORATION (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) ...

Glaukos. (NYSE:GKOS) Q4 2018 Results Earnings Conference Call February 27, 2019 4:30 PM ET Company Participants Chris Lewis - Director, Investor Relations, Corporate Strategy & Development Thomas Burns - President & Chief Executive Officer Joseph Gilliam - Chief Financial Officer, Senior Vice President, Corporate Development Chris Calcaterra - Chief Operating Officer Conference Call Participants Brian Weinstein - William Blair Robbie Marcus - JPMorgan Larry Biegelsen - Wells Fargo Jonathan Block - Stifel Ch ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Delaware 33-0945406 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) For the fiscal year ended December 31, 2018 229 Avenida Fabricante OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark one) For the transition period from: t ...