Insider · CIK 0001045434

Donald R Dixon

Files at: AMPX, QLYS. On EDGAR ↗

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $0 · 0sales $17.9M · 6net −$17.9M

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jun 15, 2026 SForm 4 →	Jun 16, 6:00 pm EDT	Amprius Technologies, Inc.AMPX	85,000	$17.17	$1,459,212	359,380	−19.1%
Jun 12, 2026 AForm 4 →	Jun 16, 6:00 pm EDT	Amprius Technologies, Inc.AMPX	10,423	—	—	280,079	—
Jun 9, 2026 SForm 4 →	Jun 11, 5:56 pm EDT	Amprius Technologies, Inc.AMPX	40,000	$19.13	$765,200	444,380	−8.26%
Jun 18, 2018 AForm 4 →	Jun 20, 5:05 pm EDT	QUALYS, INC.QLYS	2,588	—	—	89,852	—	plan?
Nov 27, 2017 SForm 4 →	Nov 29, 6:21 pm EST	QUALYS, INC.QLYS	91,479	$59.89	$5,478,712	643	−99.3%	plan?
Nov 22, 2017 GForm 4 →	Dec 5, 4:42 pm EST	QUALYS, INC.QLYS	17,500	—	—	65,038	—	plan? late
Nov 17, 2017 SForm 4 →	Nov 21, 7:33 pm EST	QUALYS, INC.QLYS	7,736	$57.42	$444,237	123,806	−5.88%	plan?
Nov 15, 2017 SForm 4/A →	Nov 17, 8:30 pm EST	QUALYS, INC.QLYS	83,743	$58.15	$4,869,690	123,997	−40.3%	plan?
Nov 15, 2017 SForm 4 →	Nov 17, 5:35 pm EST	QUALYS, INC.QLYS	83,743	$58.15	$4,869,690	123,997	−40.3%	plan?
Jun 5, 2017 AForm 4/A →	Jun 14, 5:49 pm EDT	QUALYS, INC.QLYS	4,982	—	—	204,546	—	plan?
Jun 5, 2017 AForm 4 →	Jun 7, 4:43 pm EDT	QUALYS, INC.QLYS	4,110	—	—	203,674	—	plan? amended
Jun 6, 2016 AForm 4 →	Jun 8, 4:36 pm EDT	QUALYS, INC.QLYS	6,173	—	—	199,564	—	plan?
May 4, 2016 JForm 4 →	May 5, 4:05 pm EDT	QUALYS, INC.QLYS	1,663,930	—	—	1,283	—	plan?
Aug 5, 2015 JForm 4 →	Aug 6, 6:05 am EDT	QUALYS, INC.QLYS	1,663,928	—	—	963	—	plan?
Feb 17, 2015 JForm 4 →	Feb 18, 6:35 pm EST	QUALYS, INC.QLYS	1,663,695	—	—	642	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jun 4, 2015 AForm 4 →	Jun 5, 4:26 pm EDT	QUALYS, INC.QLYS	12,000	—	—	12,000	—