QUALYS, INC. — Director's Dealing 2013

May 22, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: QUALYS, INC. (QLYS)
CIK: 0001107843
Period of Report: 2013-05-22

Reporting Person: Albert Peter (Vice President, Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-22	Common Stock	M	10000	$4.80	Acquired	10000	Direct
2013-05-22	Common Stock	S	10000	$14.0329	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-22	Stock Option (right to buy)	$4.80	M	10000	Disposed	2021-04-27	Common Stock (10000)	Direct

Footnotes

F1: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2013.

F2: The sale prices reported in column 4 of Table I represent the weighted average sale price of the shares sold, ranging from $14.00 to $14.12 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

F3: The option is subject to an early exercise provision and is immediately exercisable. One forty-eighth of the shares subject to the option vested on May 14, 2011 and one forty-eighth of the shares vest monthly thereafter.