Wendy Pfeiffer

CIK: 0001786612

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)7 (77.8%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (22.2%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

QLYS

QUALYS, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (9 total)

QLYS
QUALYS, INC.
Aug 20, 2026
Sale(S)
Direct
500 shares at avg. $185.00$93K
QLYS
QUALYS, INC.
Jul 20, 2026
Sale(S)
Direct
500 shares at avg. $158.19$79K
QLYS
QUALYS, INC.
Jun 22, 2026
Sale(S)
Direct
500 shares at avg. $110.55$55K
QLYS
QUALYS, INC.
Jun 10, 2026
Award(A)
Direct
2.6K shares-
QLYS
QUALYS, INC.
May 22, 2026
Sale(S)
Direct
500 shares at avg. $101.21$51K
QLYS
QUALYS, INC.
Aug 15, 2025
Sale(S)
Direct
200 shares at avg. $129.72$26K
QLYS
QUALYS, INC.
Jul 15, 2025
Sale(S)
Direct
200 shares at avg. $139.45$28K
QLYS
QUALYS, INC.
Jun 13, 2025
Sale(S)
Direct
200 shares at avg. $138.78$28K
QLYS
QUALYS, INC.
Jun 11, 2025
Award(A)
Direct
1.9K shares-

		Type	Shares	Price		Ownership
Aug 20, 2026	QLYS QUALYS, INC.	Sale(S)	500	$185.00	$92,500	Direct
Jul 20, 2026	QLYS QUALYS, INC.	Sale(S)	500	$158.19	$79,095	Direct
Jun 22, 2026	QLYS QUALYS, INC.	Sale(S)	500	$110.55	$55,275	Direct
Jun 10, 2026	QLYS QUALYS, INC.	Award(A)	2,628	-	$0	Direct
May 22, 2026	QLYS QUALYS, INC.	Sale(S)	500	$101.21	$50,605	Direct
Aug 15, 2025	QLYS QUALYS, INC.	Sale(S)	200	$129.72	$25,944	Direct
Jul 15, 2025	QLYS QUALYS, INC.	Sale(S)	200	$139.45	$27,890	Direct
Jun 13, 2025	QLYS QUALYS, INC.	Sale(S)	200	$138.78	$27,756	Direct
Jun 11, 2025	QLYS QUALYS, INC.	Award(A)	1,879	-	-	Direct

1-9 of 9 transactions

About Pfeiffer Wendy

Pfeiffer Wendy (SEC CIK 0001786612) files insider reports with the SEC as Director of QUALYS, INC. (QLYS).

Signal8 holds 9 ownership filings by Pfeiffer Wendy, all Form 4s, filed between Jun 13, 2025 and Aug 21, 2026. Those filings report 9 transactions, from Jun 11, 2025 to Aug 20, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Pfeiffer Wendy's filings is in FOSTER CITY, CA.

Recent filings by Pfeiffer Wendy

Aug 20, 2026: Open-market sale of QLYS shares (Form 4, code S).
Jul 20, 2026: Open-market sale of QLYS shares (Form 4, code S).
Jun 22, 2026: Open-market sale of QLYS shares (Form 4, code S).
Jun 10, 2026: Grant or award of QLYS shares (Form 4, code A).
May 22, 2026: Open-market sale of QLYS shares (Form 4, code S).

Other insiders filing for QUALYS, INC. (QLYS)

Kim Joo Mi, CHIEF FINANCIAL OFFICER
POSEY BRUCE K, CHIEF LEGAL OFFICER
Thakar Sumedh S, CEO & PRESIDENT
Berquist Thomas, Director
Hank Jeffrey P, Director
Zangardi John A., Director

How to read Form 4 transaction codes