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 For the Annual Period Ended December 31, 2020 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number 001-35662 QUALYS, INC. (Exact name of registrant as specified in its charter) Delaware 77-0534145 (State or other jurisdiction o ...

Qualys, Inc. (NASDAQ:QLYS) Q4 2020 Earnings Conference Call February 10, 2021 5:00 PM ET Company Participants Vinayak Rao - VP, Corporate Development and IR Sumedh Thakar - Interim CEO Joo Mi Kim - CFO Conference Call Participants Daniel Ives - Wedbush Securities Yun Kim - Loop Capital Markets Matthew Hedberg - RBC Capital Markets Shebly Seyrafi - FBN Securities Erik Suppiger - JMP Securities Matthew Parron - JPMorgan Nehal Chokshi - Northland Capital Hamza Fodderwala - Morgan Stanley Brian Essex - Goldman ...

Investor Presentation Securing the Digital Transformation Building a safer world - one app at a time Sumedh Thakar, interim CEO Joo Mi Kim, CFO February 10, 2021 Safe Harbor This presentation includes forward-looking statements within the meaning of the federal securities laws. Forward-looking statements generally relate to future events or our future financial or operating performance. Forward-looking statements in this presentation include, but are not limited to, the following list: - the benefits of our ...

Investor Presentation Securing the Digital Transformation Building a safer world - one app at a time Philippe Courtot, Chairman & CEO Joo Mi Kim, CFO November 4, 2020 Safe Harbor This presentation includes forward-looking statements within the meaning of the federal securities laws. Forward-looking statements generally relate to future events or our future financial or operating performance. Forward-looking statements in this presentation include, but are not limited to, the following list: - our business a ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 __________________ FORM 10-Q __________________ ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2020 ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number 001-35662 __________________ QUALYS, INC. (Exact name of registrant as specified in it ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 __________________ FORM 10-Q __________________ ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended June 30, 2020 ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number 001-35662 __________________ QUALYS, INC. (Exact name of registrant as specified in its cha ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 __________________ FORM 10-Q __________________ ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended March 31, 2020 ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number 001-35662 __________________ QUALYS, INC. (Exact name of registrant as specified in its 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 For the transition period from to Commission file number 001-35662 __________________ QUALYS, INC. (Exact name of registrant as specified in its charter) __________________ Delaware 77-0534145 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 __________________ FORM 10-Q __________________ ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2019 ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission file number 001-35662 __________________ QUALYS, INC. (Exact name of registrant as specified in it ...

☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 __________________ FORM 10-Q __________________ ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended June 30, 2019 For the transition period from to Commission file number 001-35662 __________________ QUALYS, INC. (Exact name of registrant as specified in its cha ...