Insider Trading activities of Acceleron Pharma Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Acceleron Pharma Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Acceleron Pharma Inc since year 2005. Table 2 shows the detailed insider transactions of Acceleron Pharma Inc since 2005. The reporting company's ticker symbol is XLRN. The reporting company's CIK number is 1280600.
The total value of stock buying since 2005 is $131,834,909.
The total value of stock sales since 2005 is $207,367,509.
The total value of stock option exercises since 2005 is $7,870,096.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Acceleron Pharma Inc (XLRN).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-09 745,592 $27,586,904 58,626 $2,292,162 6,761 $35,698
2017-08 0 $0 13,065 $462,631 13,065 $314,997
2017-07 0 $0 51,337 $1,642,784 30,837 $199,411
2017-01 0 $0 9,900 $269,218 10,000 $38,800
2016-12 4,000 $102,000 34,928 $1,081,370 141,683 $814,166
2016-11 0 $0 553,505 $20,811,958 100,000 $536,000
2016-10 0 $0 52,486 $1,791,017 43,601 $549,207
2016-09 0 $0 924,535 $32,866,137 42,390 $392,925
2016-08 0 $0 0 $0 18,896 $117,155
2016-07 0 $0 183,570 $6,295,039 266,991 $1,044,835
2016-05 0 $0 125,300 $4,167,550 87,800 $446,082
2016-04 0 $0 58,270 $1,864,640 46,270 $243,441
2016-01 800,000 $32,000,000 0 $0 0 $0
2015-12 0 $0 0 $0 7,500 $29,100
2015-10 0 $0 32,000 $772,095 40,066 $180,689
2015-09 0 $0 68,000 $2,244,571 52,985 $201,601
2015-08 0 $0 447,259 $13,506,020 58,600 $252,307
2015-07 0 $0 39,500 $1,203,427 60,722 $258,991
2015-06 0 $0 40,000 $1,287,473 51,301 $203,886
2015-05 0 $0 41,000 $1,310,972 54,600 $190,687
2015-04 0 $0 34,000 $1,182,914 30,000 $102,800
2015-03 0 $0 69,000 $2,827,940 44,900 $187,913
2015-02 0 $0 37,000 $1,386,397 15,500 $57,740
2015-01 0 $0 56,000 $2,228,311 45,600 $124,031
2014-12 0 $0 230,657 $9,822,339 75,310 $245,241
2014-11 0 $0 75,000 $2,510,358 51,000 $192,806
2014-10 0 $0 104,800 $3,471,189 42,082 $133,477
2014-09 0 $0 68,000 $1,784,223 40,000 $158,300
2014-08 0 $0 69,500 $2,075,734 61,000 $201,510
2014-07 0 $0 54,500 $1,720,404 49,000 $133,620
2014-06 0 $0 139,968 $4,695,885 48,000 $159,760
2014-05 1,100,000 $47,146,000 1,120,768 $47,333,937 40,000 $120,080
2014-04 0 $0 1,011,500 $32,458,814 4,500 $2,840
2014-01 300,000 $15,000,000 0 $0 0 $0
2013-09 666,667 $10,000,005 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Acceleron Pharma Inc insiders (XLRN)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-09-28 Kumar Ravindra (SVP & Chief Scientific Officer) Option Ex 6,761 5.28 35,698
2017-09-25 Celgene Corp /de/ (10% Owner) Buy 745,592 37.00 27,586,904
2017-09-13 Kumar Ravindra (SVP & Chief Scientific Officer) Sale 8 38.12 304
2017-09-13 Quisel John D (SVP, Corp. Dev., GC & Sec.) Sale 8 38.03 304
2017-09-12 Rovaldi Christopher (SVP, Program Mgmt and Ops) Sale 14,000 39.19 548,702
2017-09-12 Kumar Ravindra (SVP & Chief Scientific Officer) Sale 5,105 38.85 198,329
2017-09-12 Quisel John D (SVP, Corp. Dev., GC & Sec.) Sale 5,105 38.83 198,227
2017-09-12 Sherman Matthew L (EVP & Chief Medical Officer) Sale 18,400 39.16 720,488
2017-09-12 Mclaughlin Kevin F (SVP, CFO and Treasurer) Sale 16,000 39.11 625,808
2017-08-08 Kumar Ravindra (SVP & Chief Scientific Officer) Sale 13,065 35.41 462,631
2017-08-08 Kumar Ravindra (SVP & Chief Scientific Officer) Option Ex 13,065 24.11 314,997
2017-07-05 Kumar Ravindra (SVP & Chief Scientific Officer) Sale 937 32.00 29,984
2017-07-05 Kumar Ravindra (SVP & Chief Scientific Officer) Option Ex 937 7.12 6,671
2017-07-05 Sherman Matthew L (EVP & Chief Medical Officer) Sale 16,000 32.00 512,000
2017-07-05 Sherman Matthew L (EVP & Chief Medical Officer) Option Ex 8,000 7.12 56,960
2017-07-05 Mclaughlin Kevin F (SVP, CFO and Treasurer) Sale 34,400 32.00 1,100,800
2017-07-05 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 21,900 6.20 135,780
2017-01-04 Kumar Ravindra (SVP & Chief Scientific Officer) Sale 2,000 27.20 54,410
2017-01-04 Quisel John D (SVP, Bus. Dev., GC & Secretary) Sale 1,700 27.00 45,891
2017-01-04 Ertel Steven D (EVP & Chief Operating Officer) Sale 2,500 27.27 68,162
2017-01-04 Sherman Matthew L (EVP & Chief Medical Officer) Sale 2,000 27.21 54,430
2017-01-04 Mclaughlin Kevin F (SVP, CFO and Treasurer) Sale 1,700 27.25 46,325
2017-01-03 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 10,000 3.88 38,800
2016-12-30 Zakrzewski Joseph S Buy 4,000 25.50 102,000
2016-12-22 Kumar Ravindra (SVP & Chief Scientific Officer) Option Ex 14,561 4.58 66,689
2016-12-08 Mcguire Terrance (Director) Sale 34,928 30.96 1,081,370
2016-12-07 George Jean (Director) Option Ex 127,122 5.88 747,477
2016-11-17 George Jean (Director) Sale 420,576 38.59 16,230,027
2016-11-16 George Jean (Director) Sale 32,929 41.39 1,362,931
2016-11-09 Knopf John L (CEO and President) Sale 100,000 32.19 3,219,000
2016-11-09 Knopf John L (CEO and President) Option Ex 100,000 5.36 536,000
2016-10-10 Kumar Ravindra (SVP & Chief Scientific Officer) Sale 16,833 34.14 574,678
2016-10-10 Kumar Ravindra (SVP & Chief Scientific Officer) Option Ex 16,833 19.73 332,165
2016-10-07 Kumar Ravindra (SVP & Chief Scientific Officer) Sale 19,644 33.69 661,708
2016-10-07 Kumar Ravindra (SVP & Chief Scientific Officer) Option Ex 19,644 9.13 179,428
2016-10-06 Kumar Ravindra (SVP & Chief Scientific Officer) Sale 16,009 34.65 554,631
2016-10-06 Kumar Ravindra (SVP & Chief Scientific Officer) Option Ex 7,124 5.28 37,614
2016-09-30 George Jean (Director) Sale 857,145 35.50 30,428,647
2016-09-21 Quisel John D (SVP, Bus. Dev., GC & Secretary) Sale 45,952 38.05 1,748,473
2016-09-21 Quisel John D (SVP, Bus. Dev., GC & Secretary) Option Ex 25,952 11.70 303,716
2016-09-12 Quisel John D (SVP, Bus. Dev., GC & Secretary) Sale 21,438 32.14 689,017
2016-09-12 Quisel John D (SVP, Bus. Dev., GC & Secretary) Option Ex 16,438 5.43 89,209
2016-08-10 Sherman Matthew L (EVP & Chief Medical Officer) Option Ex 18,896 6.20 117,155
2016-07-07 Ertel Steven D (EVP & Chief Operating Officer) Option Ex 4,421 5.28 23,342
2016-07-07 Knopf John L (CEO and President) Option Ex 95,000 1.80 171,000
2016-07-07 Sherman Matthew L (EVP & Chief Medical Officer) Option Ex 6,000 5.28 31,680
2016-07-07 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 5,000 3.88 19,400
2016-07-06 Knopf John L (CEO and President) Sale 41,477 33.92 1,406,899
2016-07-06 Knopf John L (CEO and President) Option Ex 41,477 5.28 218,998
2016-07-05 Ertel Steven D (EVP & Chief Operating Officer) Sale 3,966 33.51 132,900
2016-07-05 Ertel Steven D (EVP & Chief Operating Officer) Option Ex 3,966 5.28 20,940
2016-07-05 Knopf John L (CEO and President) Sale 30,501 33.70 1,027,883
2016-07-05 Knopf John L (CEO and President) Option Ex 30,501 5.28 161,045
2016-07-01 Ertel Steven D (EVP & Chief Operating Officer) Sale 28,304 34.77 984,130
2016-07-01 Ertel Steven D (EVP & Chief Operating Officer) Option Ex 28,304 4.58 129,632
2016-07-01 Knopf John L (CEO and President) Sale 28,022 34.55 968,160
2016-07-01 Knopf John L (CEO and President) Option Ex 23,022 5.28 121,556
2016-07-01 Sherman Matthew L (EVP & Chief Medical Officer) Sale 26,000 34.55 898,170
2016-07-01 Sherman Matthew L (EVP & Chief Medical Officer) Option Ex 14,000 4.75 66,458
2016-07-01 Mclaughlin Kevin F (SVP, CFO and Treasurer) Sale 25,300 34.66 876,897
2016-07-01 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 15,300 5.28 80,784
2016-05-23 Mclaughlin Kevin F (SVP, CFO and Treasurer) Sale 25,300 34.00 860,200
2016-05-23 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 300 5.28 1,584
2016-05-20 Knopf John L (CEO and President) Sale 25,787 33.17 855,354
2016-05-20 Knopf John L (CEO and President) Option Ex 25,787 5.08 130,997
2016-05-19 Knopf John L (CEO and President) Sale 37,623 33.04 1,243,063
2016-05-19 Knopf John L (CEO and President) Option Ex 37,623 5.08 191,124
2016-05-18 Knopf John L (CEO and President) Sale 36,590 33.04 1,208,933
2016-05-18 Knopf John L (CEO and President) Option Ex 24,090 5.08 122,377
2016-04-07 Ertel Steven D (EVP & Chief Operating Officer) Sale 32,270 32.00 1,032,640
2016-04-07 Ertel Steven D (EVP & Chief Operating Officer) Option Ex 32,270 5.34 172,321
2016-04-07 Sherman Matthew L (EVP & Chief Medical Officer) Sale 23,920 32.00 765,440
2016-04-07 Sherman Matthew L (EVP & Chief Medical Officer) Option Ex 14,000 5.08 71,120
2016-04-06 Sherman Matthew L (EVP & Chief Medical Officer) Sale 2,080 32.00 66,560
2016-01-11 Celgene Corp /de/ (10% Owner) Buy 800,000 40.00 32,000,000
2015-12-22 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 7,500 3.88 29,100
2015-10-19 Kumar Ravindra (VP & Chief Scientific Officer) Option Ex 14,066 4.05 57,009
2015-10-15 Sherman Matthew L (EVP & Chief Medical Officer) Sale 6,000 23.30 139,830
2015-10-07 Knopf John L (CEO and President) Sale 19,000 24.30 461,605
2015-10-07 Knopf John L (CEO and President) Option Ex 19,000 5.08 96,520
2015-10-07 Mclaughlin Kevin F (SVP, CFO and Treasurer) Sale 7,000 24.38 170,660
2015-10-07 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 7,000 3.88 27,160
2015-09-16 Sherman Matthew L (EVP & Chief Medical Officer) Sale 2,000 33.91 67,830
2015-09-15 Kumar Ravindra (VP & Chief Scientific Officer) Sale 33,000 35.00 1,155,000
2015-09-15 Kumar Ravindra (VP & Chief Scientific Officer) Option Ex 11,485 3.88 44,561
2015-09-15 Ertel Steven D (EVP & Chief Operating Officer) Sale 2,000 33.61 67,220
2015-09-15 Ertel Steven D (EVP & Chief Operating Officer) Option Ex 2,000 5.28 10,560
2015-09-14 Quisel John D (SVP Gen. Counsel & Secretary) Sale 5,500 33.62 184,910
2015-09-14 Quisel John D (SVP Gen. Counsel & Secretary) Option Ex 5,500 3.88 21,340
2015-09-14 Knopf John L (CEO and President) Option Ex 8,500 .40 3,400
2015-09-08 Knopf John L (CEO and President) Sale 19,000 30.16 573,097
2015-09-08 Knopf John L (CEO and President) Option Ex 19,000 5.08 96,520
2015-09-08 Mclaughlin Kevin F (SVP, CFO and Treasurer) Sale 6,500 30.23 196,514
2015-09-08 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 6,500 3.88 25,220
2015-08-24 Sherman Matthew L (EVP & Chief Medical Officer) Option Ex 20,000 3.88 77,600
2015-08-18 Sherman Matthew L (EVP & Chief Medical Officer) Sale 7,000 31.39 219,751
2015-08-18 Sherman Matthew L (EVP & Chief Medical Officer) Option Ex 5,600 2.78 15,567
2015-08-17 Ertel Steven D (EVP & Chief Operating Officer) Sale 2,000 30.46 60,920
2015-08-17 Ertel Steven D (EVP & Chief Operating Officer) Option Ex 2,000 5.28 10,560
2015-08-17 Mcguire Terrance (Director) Sale 407,259 30.25 12,319,584
2015-08-14 Quisel John D (SVP Gen. Counsel & Secretary) Sale 5,500 30.98 170,390
2015-08-14 Quisel John D (SVP Gen. Counsel & Secretary) Option Ex 5,500 4.88 26,840
2015-08-10 Knopf John L (CEO and President) Sale 19,000 28.86 548,435
2015-08-10 Knopf John L (CEO and President) Option Ex 19,000 5.08 96,520
2015-08-10 Mclaughlin Kevin F (SVP, CFO and Treasurer) Sale 6,500 28.76 186,940
2015-08-10 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 6,500 3.88 25,220
2015-07-30 Quisel John D (SVP Gen. Counsel & Secretary) Option Ex 13,422 5.28 70,868
2015-07-30 Knopf John L (CEO and President) Option Ex 4,000 .40 1,600
2015-07-28 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 5,000 3.88 19,400
2015-07-20 Sherman Matthew L (EVP & Chief Medical Officer) Sale 6,000 32.76 196,536
2015-07-20 Sherman Matthew L (EVP & Chief Medical Officer) Option Ex 4,800 2.78 13,343
2015-07-15 Ertel Steven D (EVP & Chief Operating Officer) Sale 2,000 31.38 62,760
2015-07-15 Ertel Steven D (EVP & Chief Operating Officer) Option Ex 2,000 4.58 9,160
2015-07-14 Quisel John D (SVP Gen. Counsel & Secretary) Sale 5,500 30.00 165,000
2015-07-14 Quisel John D (SVP Gen. Counsel & Secretary) Option Ex 5,500 5.88 32,340
2015-07-07 Knopf John L (CEO and President) Sale 19,000 29.95 569,145
2015-07-07 Knopf John L (CEO and President) Option Ex 19,000 4.48 85,120
2015-07-07 Mclaughlin Kevin F (SVP, CFO and Treasurer) Sale 7,000 30.00 209,986
2015-07-07 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 7,000 3.88 27,160
2015-06-18 Sherman Matthew L (EVP & Chief Medical Officer) Sale 7,000 31.40 219,821
2015-06-18 Sherman Matthew L (EVP & Chief Medical Officer) Option Ex 5,600 2.78 15,567
2015-06-17 Quisel John D (SVP Gen. Counsel & Secretary) Option Ex 7,701 3.88 29,879
2015-06-15 Quisel John D (SVP Gen. Counsel & Secretary) Sale 5,500 31.13 171,215
2015-06-15 Quisel John D (SVP Gen. Counsel & Secretary) Option Ex 5,500 5.88 32,340
2015-06-15 Ertel Steven D (EVP & Chief Operating Officer) Sale 2,000 31.11 62,220
2015-06-15 Ertel Steven D (EVP & Chief Operating Officer) Option Ex 2,000 3.88 7,760
2015-06-10 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 5,000 3.88 19,400
2015-06-08 Knopf John L (CEO and President) Sale 19,000 32.72 621,680
2015-06-08 Knopf John L (CEO and President) Option Ex 19,000 3.88 73,720
2015-06-08 Mclaughlin Kevin F (SVP, CFO and Treasurer) Sale 6,500 32.70 212,537
2015-06-08 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 6,500 3.88 25,220
2015-05-18 Sherman Matthew L (EVP & Chief Medical Officer) Sale 7,000 32.30 226,135
2015-05-18 Sherman Matthew L (EVP & Chief Medical Officer) Option Ex 5,600 2.78 15,567
2015-05-15 Ertel Steven D (EVP & Chief Operating Officer) Sale 2,000 31.45 62,910
2015-05-15 Ertel Steven D (EVP & Chief Operating Officer) Option Ex 2,000 3.88 7,760
2015-05-14 Quisel John D (SVP Gen. Counsel & Secretary) Sale 5,500 31.43 172,892
2015-05-14 Quisel John D (SVP Gen. Counsel & Secretary) Option Ex 5,500 5.88 32,340
2015-05-11 Knopf John L (CEO and President) Sale 20,000 32.05 641,100
2015-05-11 Knopf John L (CEO and President) Option Ex 25,000 2.84 71,000
2015-05-11 Mclaughlin Kevin F (SVP, CFO and Treasurer) Sale 6,500 31.99 207,935
2015-05-11 Mclaughlin Kevin F (SVP, CFO and Treasurer) Option Ex 11,500 3.88 44,620
2015-05-08 Ertel Steven D (EVP & Chief Operating Officer) Option Ex 5,000 3.88 19,400
2015-04-20 Sherman Matthew L (EVP & Chief Medical Officer) Sale 5,000 33.52 167,575
2015-04-20 Sherman Matthew L (EVP & Chief Medical Officer) Option Ex 4,000 .48 1,920
2015-04-16 Sherman Matthew L (EVP & Chief Medical Officer) Option Ex 12,000 3.88 46,560
2015-04-15 Ertel Steven D (EVP & Chief Operating Officer) Sale 2,000 33.58 67,160
2015-04-15 Ertel Steven D (EVP & Chief Operating Officer) Option Ex 2,000 3.88 7,760
2015-04-07 Knopf John L (CEO and President) Sale 20,000 35.10 702,060
2015-04-07 Knopf John L (CEO and President) Option Ex 5,000 3.88 19,400
2015-04-07 Mclaughlin Kevin F (SVP, CFO and Treasurer) Sale 7,000 35.16 246,119
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Insider trading activities including stock purchases, stock sales, and option exercises of XLRN listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Acceleron Pharma Inc (symbol XLRN, CIK number 1280600) see the Securities and Exchange Commission (SEC) website.