Insider Stock Trading History of Bitterman Kevin

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Bitterman Kevin since year 2005. The trader's CIK number is 1591747. At the time of this reporting, Bitterman Kevin is the Director of Editas Medicine, Inc. . (stock ticker symbol EDIT). See this page for all insider trading activities at Editas Medicine, Inc. .

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

Stock purchases, sales, and option exercises reported by insider Bitterman Kevin since 2005.

Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2017-05-22	EDIT	Editas Medicine, Inc.	Sale	1,000,000	17.00	17,000,000
2016-12-07	EDIT	Editas Medicine, Inc.	Sale	75,000	15.82	1,186,500
2016-12-05	EDIT	Editas Medicine, Inc.	Sale	80,000	15.74	1,259,200
2016-12-06	EDIT	Editas Medicine, Inc.	Sale	50,000	15.87	793,500
2016-11-23	EDIT	Editas Medicine, Inc.	Sale	21,480	15.71	337,450
2016-11-22	EDIT	Editas Medicine, Inc.	Sale	12,819	15.77	202,155
2016-11-16	EDIT	Editas Medicine, Inc.	Sale	30,830	16.30	502,529
2016-11-14	EDIT	Editas Medicine, Inc.	Sale	58,035	17.16	995,880
2016-11-15	EDIT	Editas Medicine, Inc.	Sale	30,865	17.16	529,797
2016-09-08	EDIT	Editas Medicine, Inc.	Sale	500,000	16.80	8,400,000
2014-02-10	GNCA	Genocea Biosciences, Inc.	Buy	232,820	12.00	2,793,840

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 Bitterman Kevin (Director of Editas Medicine, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.