1. Company Directors - T
2. Taylor Robert

Insider Trading History of Taylor Robert

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Taylor Robert since 2009. The trader's CIK number is 1252294. At the time of the last reporting, Taylor Robert was the Director of Medidata Solutions, Inc.. (stock ticker symbol MDSO). Also see all insider trading activities at Medidata Solutions, Inc..

Note that in the past TAYLOR ROBERT also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Zygo Corp (ZIGO) by Taylor Robert

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2011	ZIGO	0	$0	3,000	$44,085	3,000	$18,450

Yearly summary of insider trading at Medidata Solutions, Inc. (MDSO) by Taylor Robert

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2019	MDSO	0	$0	5,414	$436,522	0	$0
2018	MDSO	0	$0	8,630	$650,931	0	$0
2017	MDSO	0	$0	10,639	$771,190	0	$0
2016	MDSO	0	$0	3,752	$168,952	0	$0
2015	MDSO	0	$0	33,720	$1,550,408	28,672	$493,273
2013	MDSO	0	$0	4,533	$318,692	4,533	$87,169
2009	MDSO	5,000	$70,000	0	$0	0	$0

Insider trading activities at 2 companies by Taylor Robert:

1. Zygo Corp (ZIGO)

2. Medidata Solutions, Inc. (MDSO)

Table 1. Insider trading of Zygo Corp (ZIGO) by Taylor Robert

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2011-11-01	ZIGO	Sale	3,000	14.70	44,085
2011-11-01	ZIGO	Option Ex	3,000	6.15	18,450

Table 2. Insider trading of Medidata Solutions, Inc. (MDSO) by Taylor Robert

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2019-06-06	MDSO	Sale	3,294	90.88	299,358
2019-01-07	MDSO	Sale	2,120	64.70	137,164
2018-07-31	MDSO	Sale	5,000	73.05	365,250
2018-06-04	MDSO	Sale	3,630	78.70	285,681
2017-11-06	MDSO	Sale	5,000	71.39	356,950
2017-06-05	MDSO	Sale	5,639	73.46	414,240
2016-05-31	MDSO	Sale	3,752	45.03	168,952
2015-05-29	MDSO	Sale	5,048	56.81	286,776
2015-02-10	MDSO	Option Ex	28,672	17.20	493,273
2015-02-10	MDSO	Sale	28,672	44.07	1,263,632
2013-05-10	MDSO	Option Ex	4,533	19.23	87,169
2013-05-10	MDSO	Sale	4,533	70.31	318,692
2009-06-25	MDSO	Buy	5,000	14.00	70,000

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 Taylor Robert (Director of Medidata Solutions, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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