QUALYS, INC. — Director's Dealing 2021

May 22, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: QUALYS, INC. (QLYS)
CIK: 0001107843
Period of Report: 2021-05-20

Reporting Person: POSEY BRUCE K (VP, GC and Corp. Sec.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-20	Common Stock	M	7000	$8.90	Acquired	95367	Direct
2021-05-20	Common Stock	S	3307	$97.8456	Disposed	92060	Direct
2021-05-20	Common Stock	S	6103	$98.4625	Disposed	85867	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-20	Stock Option (right to buy)	$8.90	M	7000	Disposed	2022-06-05	Common Stock (7000)	Direct

Footnotes

F1: The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 17, 2021.

F2: The sale price represents the weighted average price of the shares sold ranging from $97.06 to $98.055 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 within the range set forth in this Form 4.

F3: The sale price represents the weighted average price of the shares sold ranging from $98.08 to $98.97 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 within the range set forth in this Form 4.

F4: This option is fully vested and immediately exercisable.