Insider · CIK 0001224096

Jeffrey F Eisenberg

Files at: MBVX, XBIO. On EDGAR ↗

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

Open-market buys & salesbuys $0 · 0sales $30k · 1net −$30k

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jan 23, 2018 SForm 4 →	Jan 24, 7:13 pm EST	MABVAX THERAPEUTICS HOLDINGS, INC.MBVX	35,442	$0.8548	$30,295	64,558	−35.4%	plan?
Jan 8, 2018 MForm 4 →	Jan 12, 5:23 pm EST	MABVAX THERAPEUTICS HOLDINGS, INC.MBVX	100,000	—	—	100,000	—	plan? late
Oct 26, 2017 AForm 4 →	Oct 30, 9:09 pm EDT	Xenetic Biosciences, Inc.XBIO	50,000	—	—	50,000	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Feb 21, 2018 AForm 4 →	Feb 23, 3:45 pm EST	MABVAX THERAPEUTICS HOLDINGS, INC.MBVX	35,000	—	—	35,000	—
Jan 8, 2018 MForm 4 →	Jan 12, 5:23 pm EST	MABVAX THERAPEUTICS HOLDINGS, INC.MBVX	100,000	—	—	1,543	—	late
Oct 26, 2017 AForm 4 →	Oct 30, 9:09 pm EDT	Xenetic Biosciences, Inc.XBIO	250,000	—	—	250,000	—
Oct 2, 2017 AForm 4 →	Oct 4, 6:25 am EDT	MABVAX THERAPEUTICS HOLDINGS, INC.MBVX	75,790	—	—	75,790	—
Sep 15, 2017 AForm 4 →	Sep 18, 5:20 pm EDT	MABVAX THERAPEUTICS HOLDINGS, INC.MBVX	24,210	—	—	24,210	—
Jun 12, 2017 AForm 4 →	Jun 14, 4:08 pm EDT	MABVAX THERAPEUTICS HOLDINGS, INC.MBVX	20,000	$1.57	$31,400	20,000	—
May 19, 2017 AForm 4 →	May 23, 8:10 pm EDT	MABVAX THERAPEUTICS HOLDINGS, INC.MBVX	50,000	$1.80	$90,000	50,000	—
Jan 1, 2017 AForm 4 →	Jan 3, 9:10 pm EST	MABVAX THERAPEUTICS HOLDINGS, INC.MBVX	2,300	$3.38	$7,774	2,300	—
Dec 2, 2016 AForm 4 →	Dec 6, 4:07 pm EST	Xenetic Biosciences, Inc.XBIO	230,000	—	—	230,000	—
Aug 29, 2016 AForm 4 →	Aug 30, 6:27 pm EDT	MABVAX THERAPEUTICS HOLDINGS, INC.MBVX	2,300	$5.00	$11,500	2,300	—
Jun 29, 2016 AForm 4 →	Jul 28, 5:51 pm EDT	MABVAX THERAPEUTICS HOLDINGS, INC.MBVX	35,000	$0.55	$19,250	35,000	—	late