Insider Trading activities of Selecta Biosciences Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Selecta Biosciences Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Selecta Biosciences Inc since year 2005. Table 2 shows the detailed insider transactions of Selecta Biosciences Inc since 2005. The reporting company's ticker symbol is SELB. The reporting company's CIK number is 1453687.
The total value of stock buying since 2005 is $64,352,507.
The total value of stock sales since 2005 is $11,795,304.
The total value of stock option exercises since 2005 is $435,031.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Selecta Biosciences Inc (SELB).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-11 148,841 $1,389,872 0 $0 0 $0
2017-09 0 $0 313,048 $6,102,440 16,424 $10,347
2017-07 0 $0 5,959 $115,688 5,959 $16,506
2017-06 339,309 $6,007,110 49,065 $916,492 42,143 $22,496
2017-05 16,104 $225,523 266,795 $3,735,130 0 $0
2017-04 0 $0 13,205 $184,209 13,205 $5,149
2017-03 0 $0 0 $0 62,492 $341,212
2017-01 0 $0 15,000 $210,900 15,000 $5,850
2016-12 0 $0 29,567 $530,445 22,280 $33,471
2016-06 4,052,143 $56,730,002 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Selecta Biosciences Inc insiders (SELB)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-11-17 Sands Earl (Chief Medical Officer) Buy 7,500 10.26 76,965
2017-11-14 Abraham David (GC, CCO & Corporate Secretary) Buy 5,405 9.25 49,996
2017-11-14 Springer Timothy A (Director) Buy 57,598 9.27 534,106
2017-11-13 Cautreels Werner (President and CEO) Buy 20,000 9.31 186,260
2017-11-10 Barabe Timothy C (Director) Buy 2,500 9.00 22,505
2017-11-10 Springer Timothy A (Director) Buy 26,338 9.04 237,990
2017-11-09 Barabe Timothy C (Director) Buy 2,500 9.73 24,335
2017-11-09 Springer Timothy A (Director) Buy 27,000 9.54 257,715
2017-09-26 Nashat Amir (Director) Sale 70,226 18.91 1,328,114
2017-09-25 Nashat Amir (Director) Sale 37,175 18.99 705,878
2017-09-22 Nashat Amir (Director) Sale 42,036 19.26 809,781
2017-09-21 Nashat Amir (Director) Sale 104,577 19.86 2,076,794
2017-09-20 Siewers David (CFO and Treasurer) Sale 16,424 20.00 328,480
2017-09-20 Siewers David (CFO and Treasurer) Option Ex 16,424 .63 10,347
2017-09-20 Nashat Amir (Director) Sale 42,610 20.03 853,393
2017-07-03 Johnston Lloyd P. (COO and SVP, R*D) Sale 5,959 19.41 115,688
2017-07-03 Johnston Lloyd P. (COO and SVP, R*D) Option Ex 5,959 2.77 16,506
2017-06-30 Siewers David (Chief Financial Officer) Sale 7,420 20.00 148,407
2017-06-30 Siewers David (Chief Financial Officer) Option Ex 7,420 .63 4,674
2017-06-29 Siewers David (Chief Financial Officer) Sale 9,652 20.00 193,040
2017-06-29 Siewers David (Chief Financial Officer) Option Ex 9,616 .55 5,288
2017-06-27 Keller Peter (Chief Business Officer) Sale 4,595 19.30 88,683
2017-06-27 Keller Peter (Chief Business Officer) Option Ex 4,595 .63 2,894
2017-06-27 Springer Timothy A (Director) Buy 338,791 17.71 5,999,988
2017-06-26 Siewers David (Chief Financial Officer) Sale 6,886 20.00 137,720
2017-06-15 Johnston Lloyd P. (COO and SVP, R*D) Sale 20,512 17.00 348,642
2017-06-15 Johnston Lloyd P. (COO and SVP, R*D) Option Ex 20,512 .47 9,640
2017-06-01 Springer Timothy A (Director) Buy 518 13.75 7,122
2017-05-18 Springer Timothy A Buy 4,860 14.00 68,040
2017-05-17 Springer Timothy A Buy 11,244 14.01 157,483
2017-05-16 Kania Edwin M Jr (Director) Sale 266,795 14.00 3,735,130
2017-04-17 Johnston Lloyd P. (COO AND SVP, R&D) Sale 13,205 13.95 184,209
2017-04-17 Johnston Lloyd P. (COO AND SVP, R&D) Option Ex 13,205 .39 5,149
2017-03-27 Barabe Timothy C (Director) Option Ex 2,492 11.00 27,412
2017-03-23 Farokhzad Omid (Director) Option Ex 60,000 5.23 313,800
2017-01-23 Johnston Lloyd P. (COO AND SVP, R&D) Sale 15,000 14.06 210,900
2017-01-23 Johnston Lloyd P. (COO AND SVP, R&D) Option Ex 15,000 .39 5,850
2016-12-28 Kishimoto Takashi Kei (Chief Scientific Officer) Sale 10,000 17.55 175,500
2016-12-28 Kishimoto Takashi Kei (Chief Scientific Officer) Option Ex 10,000 2.77 27,700
2016-12-21 Abraham David (CCO, Gen.Counsel, Corp.Sec.) Sale 14,844 18.00 267,192
2016-12-21 Abraham David (CCO, Gen.Counsel, Corp.Sec.) Option Ex 12,280 .47 5,771
2016-12-19 Keller Peter (Chief Business Officer) Sale 4,723 18.58 87,753
2016-06-27 Osage Partners, Llc (10% Owner) Buy 350,000 14.00 4,900,000
2016-06-27 Nanodimension Limited Partnership (10% Owner) Buy 385,000 14.00 5,390,000
2016-06-27 Nashat Amir (Director) Buy 150,000 14.00 2,100,000
2016-06-27 Rusnano (10% Owner) Buy 107,143 14.00 1,500,002
2016-06-27 Polaris Venture Partners Special Founders' Fund V, L.p. (10% Owner) Buy 150,000 14.00 2,100,000
2016-06-27 Gordon Carl L (Director) Buy 550,000 14.00 7,700,000
2016-06-27 Isaly Samuel D (Director) Buy 1,100,000 14.00 15,400,000
2016-06-27 Springer Timothy A (Director) Buy 710,000 14.00 9,940,000

Insider trading activities including stock purchases, stock sales, and option exercises of SELB listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Selecta Biosciences Inc (symbol SELB, CIK number 1453687) see the Securities and Exchange Commission (SEC) website.