Insider Trading activities of Flex Pharma, Inc. (FLKS)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Flex Pharma, Inc. (FLKS) since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Flex Pharma, Inc. since year 2005. Table 2 shows the detailed insider transactions of Flex Pharma, Inc. since 2005. The reporting company's ticker symbol is FLKS. The reporting company's CIK number is 1615219.
The total value of stock buying since 2005 is $7,115,868.
The total value of stock sales since 2005 is $6,107,961.
The total value of stock option exercises since 2005 is $0.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Flex Pharma, Inc. (FLKS).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2019-01 0 $0 600,000 $228,427 0 $0
2018-10 0 $0 6,425,722 $5,879,534 0 $0
2016-11 17,520 $111,645 0 $0 0 $0
2016-06 78,000 $910,700 0 $0 0 $0
2016-05 198,343 $2,248,544 0 $0 0 $0
2016-03 390,228 $3,484,108 0 $0 0 $0
2015-12 1,834 $22,027 0 $0 0 $0
2015-11 9,326 $106,235 0 $0 0 $0
2015-10 3,853 $43,704 0 $0 0 $0
2015-09 2,407 $32,849 0 $0 0 $0
2015-08 3,973 $55,928 0 $0 0 $0
2015-07 1,694 $27,832 0 $0 0 $0
2015-06 1,462 $27,835 0 $0 0 $0
2015-05 946 $16,829 0 $0 0 $0
2015-04 1,054 $22,051 0 $0 0 $0
2015-03 272 $5,581 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Flex Pharma, Inc. insiders (FLKS)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2019-01-09 Boston Foundation, Inc. (10% Owner) Sale 337,000 .37 124,016
2019-01-08 Boston Foundation, Inc. (10% Owner) Sale 263,000 .40 104,411
2018-10-16 Longwood Fund Ii, L.p. (10% Owner) Sale 3,212,861 .92 2,939,767
2018-10-16 Westphal Christoph H (10% Owner) Sale 3,212,861 .92 2,939,767
2016-11-08 Westphal Christoph H (President and CEO) Buy 7,000 7.31 51,170
2016-11-07 Mccabe John P. (VP of Finance & Treasurer) Buy 1,650 6.01 9,916
2016-11-07 Westphal Christoph H (President and CEO) Buy 8,870 5.70 50,559
2016-06-23 Westphal Christoph H (President and CEO) Buy 2,700 11.28 30,456
2016-06-22 Westphal Christoph H (President and CEO) Buy 2,900 11.03 31,986
2016-06-21 Westphal Christoph H (President and CEO) Buy 2,800 11.07 30,996
2016-06-20 Westphal Christoph H (President and CEO) Buy 9,000 11.37 102,330
2016-06-17 Westphal Christoph H (President and CEO) Buy 9,000 10.98 98,820
2016-06-16 Westphal Christoph H (President and CEO) Buy 2,900 11.10 32,190
2016-06-15 Westphal Christoph H (President and CEO) Buy 2,900 11.24 32,596
2016-06-14 Westphal Christoph H (President and CEO) Buy 3,000 11.19 33,570
2016-06-13 Westphal Christoph H (President and CEO) Buy 2,900 11.90 34,510
2016-06-10 Westphal Christoph H (President and CEO) Buy 3,000 11.83 35,490
2016-06-09 Westphal Christoph H (President and CEO) Buy 3,000 12.04 36,120
2016-06-08 Westphal Christoph H (President and CEO) Buy 2,900 12.24 35,496
2016-06-07 Westphal Christoph H (President and CEO) Buy 3,000 12.26 36,780
2016-06-06 Westphal Christoph H (President and CEO) Buy 3,000 12.33 36,990
2016-06-03 Westphal Christoph H (President and CEO) Buy 3,000 12.79 38,370
2016-06-02 Westphal Christoph H (President and CEO) Buy 5,000 13.22 66,100
2016-06-01 Westphal Christoph H (President and CEO) Buy 5,000 12.76 63,800
2016-05-31 Westphal Christoph H (President and CEO) Buy 5,000 12.66 63,300
2016-05-27 Westphal Christoph H (President and CEO) Buy 17,300 12.68 219,364
2016-05-26 Westphal Christoph H (President and CEO) Buy 16,300 12.53 204,239
2016-05-25 Westphal Christoph H (President and CEO) Buy 12,300 13.25 162,975
2016-05-24 Westphal Christoph H (President and CEO) Buy 16,967 12.50 212,087
2016-05-23 Westphal Christoph H (President and CEO) Buy 13,367 12.31 164,547
2016-05-20 Westphal Christoph H (President and CEO) Buy 1,000 11.44 11,440
2016-05-19 Westphal Christoph H (President and CEO) Buy 6,914 11.00 76,054
2016-05-18 Westphal Christoph H (President and CEO) Buy 15,200 11.05 167,960
2016-05-17 Westphal Christoph H (President and CEO) Buy 18,200 11.14 202,748
2016-05-16 Westphal Christoph H (President and CEO) Buy 8,200 10.40 85,280
2016-05-13 Westphal Christoph H (President and CEO) Buy 7,269 10.09 73,344
2016-05-12 Westphal Christoph H (President and CEO) Buy 16,097 9.94 160,004
2016-05-11 Westphal Christoph H (President and CEO) Buy 14,120 10.33 145,859
2016-05-10 Westphal Christoph H (President and CEO) Buy 12,577 10.14 127,530
2016-05-09 Westphal Christoph H (President and CEO) Buy 17,532 9.80 171,813
2016-03-24 Westphal Christoph H (President and CEO) Buy 24,207 10.55 255,383
2016-03-23 Westphal Christoph H (President and CEO) Buy 25,356 11.55 292,861
2016-03-21 Westphal Christoph H (President and CEO) Buy 48,058 11.74 564,200
2016-03-21 Sculley John Buy 4,000 12.06 48,240
2016-03-18 Westphal Christoph H (President and CEO) Buy 18,437 11.06 203,913
2016-03-18 Sculley John Buy 709 11.13 7,891
2016-03-17 Westphal Christoph H (President and CEO) Buy 19,137 10.94 209,358
2016-03-16 Westphal Christoph H (President and CEO) Buy 19,142 10.85 207,690
2016-03-15 Stacy Michelle Buy 2,585 9.63 24,893
2016-03-15 Westphal Christoph H (President and CEO) Buy 19,237 9.62 185,059
2016-03-14 Wessel Thomas (Chief Medical Officer) Buy 8,000 9.13 73,040
2016-03-11 Mackinnon Roderick Buy 10,000 7.03 70,260
2016-03-11 Longwood Fund Ii, L.p. Buy 89,680 7.00 627,760
2016-03-11 Wessel Thomas (Chief Medical Officer) Buy 12,000 7.15 85,800
2016-03-11 Westphal Christoph H (President and CEO) Buy 89,680 7.00 627,760
2015-12-14 Westphal Christoph H (President and CEO) Buy 927 12.01 11,129
2015-12-07 Westphal Christoph H (President and CEO) Buy 907 12.02 10,898
2015-11-30 Westphal Christoph H (President and CEO) Buy 887 12.32 10,928
2015-11-23 Westphal Christoph H (President and CEO) Buy 971 11.39 11,063
2015-11-19 Kozin Marc D Buy 4,500 11.38 51,219
2015-11-16 Westphal Christoph H (President and CEO) Buy 1,001 10.78 10,790
2015-11-09 Westphal Christoph H (President and CEO) Buy 1,000 11.03 11,032
2015-11-02 Westphal Christoph H (President and CEO) Buy 967 11.59 11,203
2015-10-26 Westphal Christoph H (President and CEO) Buy 1,043 10.55 11,003
2015-10-19 Westphal Christoph H (President and CEO) Buy 1,018 10.61 10,797
2015-10-12 Westphal Christoph H (President and CEO) Buy 924 11.98 11,072
2015-10-05 Westphal Christoph H (President and CEO) Buy 868 12.48 10,832
2015-09-28 Westphal Christoph H (President and CEO) Buy 924 11.19 10,334
2015-09-21 Westphal Christoph H (President and CEO) Buy 733 16.04 11,757
2015-09-14 Westphal Christoph H (President and CEO) Buy 750 14.35 10,758
2015-08-31 Westphal Christoph H (President and CEO) Buy 887 12.49 11,083
2015-08-24 Westphal Christoph H (President and CEO) Buy 844 13.36 11,277
2015-08-17 Westphal Christoph H (President and CEO) Buy 774 14.19 10,985
2015-08-10 Westphal Christoph H (President and CEO) Buy 762 14.71 11,211
2015-08-03 Westphal Christoph H (President and CEO) Buy 706 16.11 11,372
2015-07-27 Westphal Christoph H (President and CEO) Buy 691 16.08 11,110
2015-07-20 Westphal Christoph H (President and CEO) Buy 337 16.45 5,542
2015-07-13 Westphal Christoph H (President and CEO) Buy 324 17.41 5,640
2015-07-06 Westphal Christoph H (President and CEO) Buy 342 16.20 5,540
2015-06-29 Westphal Christoph H (President and CEO) Buy 286 20.21 5,780
2015-06-22 Westphal Christoph H (President and CEO) Buy 278 19.77 5,494
2015-06-15 Westphal Christoph H (President and CEO) Buy 284 19.37 5,501
2015-06-08 Westphal Christoph H (President and CEO) Buy 311 17.88 5,560
2015-06-01 Westphal Christoph H (President and CEO) Buy 303 18.15 5,500
2015-05-18 Westphal Christoph H (President and CEO) Buy 323 17.04 5,503
2015-05-11 Westphal Christoph H (President and CEO) Buy 313 18.19 5,693
2015-05-04 Westphal Christoph H (President and CEO) Buy 310 18.17 5,633
2015-04-27 Westphal Christoph H (President and CEO) Buy 244 22.16 5,405
2015-04-20 Westphal Christoph H (President and CEO) Buy 266 20.91 5,562
2015-04-13 Westphal Christoph H (President and CEO) Buy 282 19.64 5,537
2015-04-06 Westphal Christoph H (President and CEO) Buy 262 21.18 5,547
2015-03-30 Westphal Christoph H (President and CEO) Buy 272 20.52 5,581

Insider trading activities including stock purchases, stock sales, and option exercises of FLKS listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Flex Pharma, Inc. (symbol FLKS, CIK number 1615219) see the Securities and Exchange Commission (SEC) website.