Wendy Pfeiffer

Insider

First SEC filing: June 11, 2026 · Latest: June 11, 2026

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Insider at

0 buys (P) 2 sells (S) Net: $-134,370 + 6 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

6 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 20, 2026	QLYS	S 10b5-1	500	$158.19	$79,095	12,210 Direct	-3.93%	Disposed	17.3% (price as of 2026-08-20)
June 22, 2026	QLYS	S 10b5-1	500	$110.55	$55,275	12,710 Direct	-3.79%	Disposed	67.8% (price as of 2026-08-20)
June 10, 2026	QLYS	A	2,628	—	—	13,210	—	—	(price as of 2026-08-20)
Dec. 4, 2023	QLYS	S 10b5-1	440	$187.81	$82,636	10,490 Direct	-4.03%	Disposed	-1.2% (price as of 2026-08-20)
Dec. 4, 2023	QLYS	S 10b5-1	990	$186.91	$185,041	10,930 Direct	-8.31%	Disposed	-0.7% (price as of 2026-08-20)
June 7, 2023	QLYS	A	1,700	—	—	11,920 Direct	+16.63%	Acquired	(price as of 2026-08-20)
June 8, 2022	QLYS	A	1,556	—	—	10,220 Direct	+17.96%	Acquired	(price as of 2026-08-20)
June 9, 2021	QLYS	A	2,002	—	—	8,664 Direct	+30.05%	Acquired	(price as of 2026-08-20)
June 10, 2020	QLYS	A	1,846	—	—	6,662 Direct	+38.33%	Acquired	(price as of 2026-08-20)
Aug. 16, 2019	QLYS	A	4,816	—	—	4,816 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.