Insider Stock Trading History of Nathenson Michael


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 Nathenson Michael since year 2005. The trader's CIK number is 1647806. At the time of this reporting, Nathenson Michael is the EVP, CFO and Treasurer of Blue Buffalo Pet Products, Inc. . (stock ticker symbol BUFF). See this page for all insider trading activities at Blue Buffalo Pet Products, Inc. .


Stock purchases, sales, and option exercises reported by insider Nathenson Michael since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2018-03-22 BUFF Blue Buffalo Pet Products, Inc. Option Ex 53,571 5.60 299,997
2018-01-02 BUFF Blue Buffalo Pet Products, Inc. Option Ex 62,708 5.60 351,164
2018-01-02 BUFF Blue Buffalo Pet Products, Inc. Sale 62,708 32.72 2,051,805
2017-09-05 BUFF Blue Buffalo Pet Products, Inc. Option Ex 37,072 5.60 207,603
2017-09-05 BUFF Blue Buffalo Pet Products, Inc. Sale 37,072 25.58 948,301
2017-08-28 BUFF Blue Buffalo Pet Products, Inc. Option Ex 50,000 5.60 280,000
2017-08-28 BUFF Blue Buffalo Pet Products, Inc. Sale 50,000 25.77 1,288,500
2017-08-21 BUFF Blue Buffalo Pet Products, Inc. Option Ex 50,000 5.60 280,000
2017-08-21 BUFF Blue Buffalo Pet Products, Inc. Sale 50,000 25.00 1,250,000
2017-08-17 BUFF Blue Buffalo Pet Products, Inc. Option Ex 50,000 5.60 280,000
2017-08-17 BUFF Blue Buffalo Pet Products, Inc. Sale 50,000 25.00 1,250,000
2015-07-27 BUFF Blue Buffalo Pet Products, Inc. Option Ex 63,758 5.60 357,044
2015-07-27 BUFF Blue Buffalo Pet Products, Inc. Sale 63,758 20.00 1,275,160

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 Nathenson Michael (EVP, CFO and Treasurer of Blue Buffalo Pet Products, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.