1. Corporate Officers - V
2. Varvaro Thomas C

Insider Trading History of Varvaro Thomas C

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Varvaro Thomas C since 2011. The trader's CIK number is 1437495. At the time of the last reporting, Varvaro Thomas C was the CFO, TREASURER AND SECRETARY of Mabvax Therapeutics Holdings, Inc.. (stock ticker symbol MBVX). Also see all insider trading activities at Mabvax Therapeutics Holdings, Inc..

Note that in the past Varvaro Thomas C also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Mabvax Therapeutics Holdings, Inc. (MBVX) by Varvaro Thomas C

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2018	MBVX	0	$0	35,441	$30,293	100,513	$0
2017	MBVX	0	$0	0	$0	1,543	$0
2016	MBVX	0	$0	0	$0	11,417	$0

Yearly summary of insider trading at Chromadex Corp. (CDXC.OB) by Varvaro Thomas C

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2014	CDXC.OB	3,500	$3,952	0	$0	0	$0
2011	CDXC.OB	3,500	$2,245	0	$0	0	$0

Insider trading activities at 2 companies by Varvaro Thomas C:

1. Mabvax Therapeutics Holdings, Inc. (MBVX)

2. Chromadex Corp. (CDXC.OB)

Table 1. Insider trading of Mabvax Therapeutics Holdings, Inc. (MBVX) by Varvaro Thomas C

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2018-04-03	MBVX	Option Ex	513	.00	0
2018-01-23	MBVX	Sale	17,445	.87	15,177
2018-01-24	MBVX	Sale	17,996	.84	15,116
2018-01-08	MBVX	Option Ex	100,000	.00	0
2017-04-02	MBVX	Option Ex	1,543	.00	0
2016-04-04	MBVX	Option Ex	11,417	.00	0

Table 2. Insider trading of Chromadex Corp. (CDXC.OB) by Varvaro Thomas C

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2014-08-25	CDXC.OB	Buy	2,250	1.09	2,452
2014-08-22	CDXC.OB	Buy	1,250	1.20	1,500
2011-12-09	CDXC.OB	Buy	2,000	.65	1,300
2011-12-07	CDXC.OB	Buy	1,500	.63	945

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Varvaro Thomas C (CFO, TREASURER AND SECRETARY of Mabvax Therapeutics Holdings, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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