1. Company Directors - W
2. Wrighton Mark S

Insider Trading History of Wrighton Mark S

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Wrighton Mark S since 2005. The trader's CIK number is 1021584. At the time of the last reporting, Wrighton Mark S was the Director of Corning Inc /ny. (stock ticker symbol GLW). Also see all insider trading activities at Corning Inc /ny.

Note that in the past WRIGHTON MARK S also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Cabot Corp (CBT) by Wrighton Mark S

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2005	CBT	2,000	$58,860	0	$0	0	$0

Yearly summary of insider trading at Corning Inc /ny (GLW) by Wrighton Mark S

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2019	GLW	0	$0	0	$0	2,345	$44,437
2018	GLW	0	$0	0	$0	4,430	$47,622

Insider trading activities at 2 companies by Wrighton Mark S:

1. Cabot Corp (CBT)

2. Corning Inc /ny (GLW)

Table 1. Insider trading of Cabot Corp (CBT) by Wrighton Mark S

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2005-06-07	CBT	Buy	2,000	29.43	58,860

Table 2. Insider trading of Corning Inc /ny (GLW) by Wrighton Mark S

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2019-11-07	GLW	Option Ex	2,345	18.95	44,437
2018-10-29	GLW	Option Ex	4,430	10.75	47,622

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 Wrighton Mark S (Director of Corning Inc /ny at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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