QUALYS, INC. — Director's Dealing 2026

Feb 24, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: QUALYS, INC. (QLYS)
CIK: 0001107843
Period of Report: 2026-02-20

Reporting Person: POSEY BRUCE K (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-20	Common Stock	S	210	$103.1348	Disposed	71391	Direct
2026-02-20	Common Stock	S	175	$104.0151	Disposed	71216	Direct
2026-02-20	Common Stock	S	96	$105.0895	Disposed	71120	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 $102.88 to $103.78 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: Includes 194 shares that were acquired on February 15, 2026 through the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).

F4: The sale price represents the weighted average price of the shares sold ranging from $103.90 to $104.30 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.

F5: The sale price represents the weighted average price of the shares sold ranging from $105.02 to $105.32 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.