QUALYS, INC. — Director's Dealing 2013

May 17, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: QUALYS, INC. (QLYS)
CIK: 0001107843
Period of Report: 2013-05-15

Reporting Person: Wilson John N (EVP, Worldwide Field Ops)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-15	Common Stock	M	10000	$4.10	Acquired	65500	Direct
2013-05-15	Common Stock	S	10000	$13.0129	Disposed	55500	Direct
2013-05-16	Common Stock	M	8571	$4.10	Acquired	64071	Direct
2013-05-16	Common Stock	S	8571	$14.0012	Disposed	55500	Direct
2013-05-17	Common Stock	M	1429	$4.10	Acquired	56929	Direct
2013-05-17	Common Stock	S	1429	$14.0025	Disposed	55500	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-15	Stock Option (right to buy)	$4.10	M	10000	Disposed	2020-11-04	Common Stock (10000)	Direct
2013-05-16	Stock Option (right to buy)	$4.10	M	8571	Disposed	2020-11-04	Common Stock (8571)	Direct
2013-05-17	Stock Option (right to buy)	$4.10	M	1429	Disposed	2020-11-04	Common Stock (1429)	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 21, 2013.

F2: The sale price for this transaction reported in column 4 of Table I represents the weighted average sale price of the shares sold, ranging from $13.00 to $13.10 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 sale price for this transaction reported in column 4 of Table I represents the weighted average sale price of the shares sold, ranging from $14.00 to $14.02 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.

F4: The sale price for this transaction reported in column 4 of Table I represents the weighted average sale price of the shares sold, ranging from $14.00 to $14.06 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.

F5: The option is subject to an early exercise provision and is immediately exercisable. One thirty-sixth of the shares subject to the option vested on November 29, 2010 and one thirty-sixth of the shares vest monthly thereafter.