Insider Stock Trading History of Shaff Eric D.


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 Shaff Eric D. since year 2005. The trader's CIK number is 1643734. At the time of this reporting, Shaff Eric D. is the See Remarks of Seres Therapeutics, Inc. . (stock ticker symbol MCRB). See this page for all insider trading activities at Seres Therapeutics, Inc. .


Stock purchases, sales, and option exercises reported by insider Shaff Eric D. since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2018-01-26 MCRB Seres Therapeutics, Inc. Option Ex 8,000 .00 0
2018-01-26 MCRB Seres Therapeutics, Inc. Sale 2,780 11.02 30,635
2016-06-30 MCRB Seres Therapeutics, Inc. Sale 4,533 29.54 133,904
2016-06-30 MCRB Seres Therapeutics, Inc. Option Ex 4,533 7.79 35,312
2016-06-27 MCRB Seres Therapeutics, Inc. Option Ex 3,334 7.79 25,971
2016-06-28 MCRB Seres Therapeutics, Inc. Option Ex 1,667 7.79 12,985
2016-06-27 MCRB Seres Therapeutics, Inc. Sale 3,334 28.00 93,352
2016-06-28 MCRB Seres Therapeutics, Inc. Sale 1,667 28.85 48,092
2016-04-04 MCRB Seres Therapeutics, Inc. Option Ex 6,568 7.79 51,164
2016-04-04 MCRB Seres Therapeutics, Inc. Sale 6,568 28.85 189,486
2016-03-31 MCRB Seres Therapeutics, Inc. Option Ex 7,663 7.79 59,694
2016-03-31 MCRB Seres Therapeutics, Inc. Sale 7,663 25.82 197,820
2016-03-28 MCRB Seres Therapeutics, Inc. Sale 5,473 24.07 131,735
2016-03-28 MCRB Seres Therapeutics, Inc. Option Ex 5,473 7.79 42,634

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 Shaff Eric D. (See Remarks of Seres Therapeutics, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.