Insider Trading activities of Zafgen, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Zafgen, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Zafgen, Inc. since year 2005. Table 2 shows the detailed insider transactions of Zafgen, Inc. since 2005. The reporting company's ticker symbol is ZFGN. The reporting company's CIK number is 1374690.
The total value of stock buying since 2005 is $2,402,286.
The total value of stock sales since 2005 is $15,453,840.
The total value of stock option exercises since 2005 is $479,325.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Zafgen, Inc. (ZFGN).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-10 10,000 $38,990 0 $0 0 $0
2017-07 10,000 $33,900 0 $0 0 $0
2017-05 10,000 $44,000 0 $0 93,211 $72,052
2016-12 10,000 $32,290 0 $0 0 $0
2016-11 10,000 $35,430 0 $0 0 $0
2016-08 10,000 $29,990 0 $0 0 $0
2016-07 31,000 $94,866 1,341,499 $4,443,044 25,000 $18,750
2016-02 332,038 $2,012,820 0 $0 0 $0
2016-01 0 $0 0 $0 10,000 $7,500
2015-09 0 $0 253,461 $10,841,344 103,500 $381,023
2015-06 0 $0 5,000 $169,452 0 $0
2014-06 4,000 $80,000 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Zafgen, Inc. insiders (ZFGN)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-10-13 Heller Frances K (Director) Buy 10,000 3.90 38,990
2017-07-11 Kim Dennis D (Chief Medical Officer) Buy 10,000 3.39 33,900
2017-05-11 Hughes Thomas E. (President and CEO) Option Ex 93,211 .77 72,052
2017-05-11 Kim Dennis D (Chief Medical Officer) Buy 9,800 4.40 43,120
2017-05-10 Kim Dennis D (Chief Medical Officer) Buy 200 4.40 880
2016-12-19 Heller Frances K (Director) Buy 10,000 3.23 32,290
2016-11-15 Heller Frances K (Director) Buy 10,000 3.54 35,430
2016-08-29 Hughes Thomas E. (President and CEO) Buy 10,000 3.00 29,990
2016-07-26 Allen Patricia L (Chief Financial Officer) Buy 8,200 3.15 25,830
2016-07-25 Allen Patricia L (Chief Financial Officer) Buy 7,800 3.08 24,031
2016-07-22 Hughes Thomas E. (President and CEO) Buy 5,000 3.02 15,105
2016-07-22 Hughes Thomas E. (President and CEO) Option Ex 25,000 .75 18,750
2016-07-22 Heller Frances K (Director) Buy 10,000 2.99 29,900
2016-07-20 Deerfield Special Situations Fund, L.p. Sale 1,341,499 3.31 4,443,044
2016-02-12 Deerfield Special Situations Fund, L.p. Buy 64,545 6.25 403,212
2016-02-11 Deerfield International Master Fund, L.p. Buy 2,344 6.19 14,504
2016-02-10 Deerfield International Master Fund, L.p. Buy 151,226 6.23 942,440
2016-02-09 Deerfield International Master Fund, L.p. Buy 113,923 5.73 652,664
2016-01-08 Hughes Thomas E. (Chief Executive Officer) Option Ex 10,000 .75 7,500
2015-09-24 Starr Kevin P (Director) Sale 136,579 43.91 5,997,866
2015-09-23 Hughes Thomas E. (Chief Executive Officer) Option Ex 10,500 .75 7,875
2015-09-18 Goldberg Avi Y. (Director) Sale 5,000 45.00 225,000
2015-09-18 Hughes Thomas E. (Chief Executive Officer) Sale 23,126 45.00 1,040,670
2015-09-18 Hughes Thomas E. (Chief Executive Officer) Option Ex 23,126 2.45 56,658
2015-09-17 Hughes Thomas E. (Chief Executive Officer) Sale 22,500 40.00 900,000
2015-09-17 Hughes Thomas E. (Chief Executive Officer) Option Ex 4,874 2.45 11,941
2015-09-17 Secor Alicia (Chief Commercial Officer) Sale 26,256 41.05 1,077,808
2015-09-17 Secor Alicia (Chief Commercial Officer) Option Ex 25,000 9.67 241,750
2015-09-17 Kim Dennis D (Chief Medical Officer) Sale 9,142 40.00 365,680
2015-09-17 Kim Dennis D (Chief Medical Officer) Option Ex 9,142 1.57 14,352
2015-09-15 Kim Dennis D (Chief Medical Officer) Sale 30,265 40.00 1,210,600
2015-09-15 Kim Dennis D (Chief Medical Officer) Option Ex 30,265 1.57 47,516
2015-09-14 Kim Dennis D (Chief Medical Officer) Sale 593 40.00 23,720
2015-09-14 Kim Dennis D (Chief Medical Officer) Option Ex 593 1.57 931
2015-06-10 Goldberg Avi Y. (Director) Sale 3,000 35.00 105,000
2015-06-01 Goldberg Avi Y. (Director) Sale 2,000 32.23 64,452
2014-06-19 Secor Alicia (Chief Commercial Officer) Buy 4,000 20.00 80,000

Insider trading activities including stock purchases, stock sales, and option exercises of ZFGN listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Zafgen, Inc. (symbol ZFGN, CIK number 1374690) see the Securities and Exchange Commission (SEC) website.