QUALYS, INC. — Director's Dealing 2025

Dec 23, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: QUALYS, INC. (QLYS)
CIK: 0001107843
Period of Report: 2025-12-22

Reporting Person: POSEY BRUCE K (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-22	Common Stock	S	245	$141.2239	Disposed	70531	Direct
2025-12-22	Common Stock	S	706	$142.7017	Disposed	69825	Direct
2025-12-22	Common Stock	S	126	$143.4886	Disposed	69699	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 August 21, 2025.

F2: The sale price represents the weighted average price of the shares sold ranging from $140.97 to $141.60 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 $142.14 to $143.00 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: The sale price represents the weighted average price of the shares sold ranging from $143.21 to $143.66 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.