Insider Trading activities of Epizyme, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Epizyme, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Epizyme, Inc. since year 2005. Table 2 shows the detailed insider transactions of Epizyme, Inc. since 2005. The reporting company's ticker symbol is EPZM. The reporting company's CIK number is 1571498.
The total value of stock buying since 2005 is $284,819,743.
The total value of stock sales since 2005 is $147,630,969.
The total value of stock option exercises since 2005 is $2,789,044.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Epizyme, Inc. (EPZM).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2018-02 0 $0 72,264 $1,222,201 72,264 $692,289
2017-10 0 $0 15,000 $246,585 15,000 $134,700
2017-09 200,000 $3,050,000 15,000 $252,075 15,000 $134,700
2017-08 0 $0 15,000 $235,260 17,460 $134,700
2017-07 0 $0 15,000 $201,570 17,459 $134,700
2017-06 0 $0 20,524 $303,607 19,959 $143,550
2017-05 0 $0 20,000 $328,880 22,460 $152,400
2017-04 0 $0 5,000 $81,805 7,459 $14,325
2017-03 0 $0 2,013 $34,394 2,459 $0
2017-02 0 $0 0 $0 2,459 $0
2017-01 0 $0 1,013 $12,194 2,459 $0
2016-12 0 $0 1,213 $13,350 2,459 $0
2016-11 0 $0 1,013 $10,535 2,460 $0
2016-10 0 $0 1,013 $9,848 2,459 $0
2016-09 0 $0 1,013 $7,651 2,459 $0
2016-08 0 $0 5,013 $50,657 6,460 $8,760
2016-07 0 $0 5,013 $50,621 6,459 $8,760
2016-06 0 $0 1,013 $12,655 33,997 $111,644
2016-05 0 $0 1,013 $10,070 2,460 $0
2016-04 0 $0 3,039 $37,749 7,377 $0
2016-03 0 $0 1,006 $9,104 2,459 $0
2016-02 0 $0 12,158 $115,987 29,512 $0
2016-01 12,222,220 $109,999,980 4,185 $65,181 4,185 $11,990
2015-12 1,000 $14,690 36,293 $636,175 36,293 $22,212
2015-11 0 $0 4,185 $68,060 4,185 $2,511
2015-10 0 $0 4,185 $60,381 4,185 $2,511
2015-09 0 $0 64,185 $1,255,521 64,185 $33,111
2015-08 2,522 $41,894 68,370 $1,515,930 68,370 $35,622
2015-07 0 $0 68,371 $1,592,934 68,371 $35,245
2015-05 800 $13,084 0 $0 0 $0
2014-12 1,400 $28,224 0 $0 0 $0
2014-11 0 $0 70,868 $1,759,419 70,868 $88,900
2014-10 0 $0 53,403 $1,432,138 53,403 $35,473
2014-09 0 $0 86,000 $2,725,709 138,000 $141,060
2014-08 0 $0 1,247,462 $42,866,388 94,000 $118,620
2014-07 0 $0 62,000 $2,004,870 74,000 $84,780
2014-06 0 $0 145,412 $3,521,263 132,400 $135,414
2014-05 0 $0 75,000 $1,632,620 72,000 $100,350
2014-04 0 $0 68,800 $1,394,036 78,800 $40,188
2014-02 340,000 $9,945,000 2,786,513 $80,255,038 143,500 $201,915
2014-01 0 $0 55,006 $1,397,486 44,000 $18,540
2013-12 0 $0 9,600 $201,022 4,600 $10,074
2013-11 4,471,500 $89,246,916 0 $0 0 $0
2013-06 4,831,997 $72,479,955 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Epizyme, Inc. insiders (EPZM)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2018-02-05 Ros Matthew (Chief Operating Officer) Sale 72,264 16.91 1,222,201
2018-02-05 Ros Matthew (Chief Operating Officer) Option Ex 72,264 9.58 692,289
2017-10-24 Ho Peter Tai-ching (Chief Development Officer) Sale 15,000 16.44 246,585
2017-10-24 Ho Peter Tai-ching (Chief Development Officer) Option Ex 15,000 8.98 134,700
2017-09-25 Ho Peter Tai-ching (Chief Development Officer) Sale 15,000 16.80 252,075
2017-09-25 Ho Peter Tai-ching (Chief Development Officer) Option Ex 15,000 8.98 134,700
2017-09-18 Mott David M (Director) Buy 200,000 15.25 3,050,000
2017-08-24 Ho Peter Tai-ching (Chief Development Officer) Sale 15,000 15.68 235,260
2017-08-24 Ho Peter Tai-ching (Chief Development Officer) Option Ex 15,000 8.98 134,700
2017-08-09 Singer Andrew E. (EVP & CFO) Option Ex 2,460 .00 0
2017-07-24 Ho Peter Tai-ching (Chief Development Officer) Sale 15,000 13.44 201,570
2017-07-24 Ho Peter Tai-ching (Chief Development Officer) Option Ex 15,000 8.98 134,700
2017-07-10 Singer Andrew E. (EVP & CFO) Option Ex 2,459 .00 0
2017-06-30 Singer Andrew E. (EVP & CFO) Sale 3,024 15.50 46,872
2017-06-26 Ho Peter Tai-ching (Chief Development Officer) Sale 15,000 14.87 223,110
2017-06-26 Ho Peter Tai-ching (Chief Development Officer) Option Ex 15,000 8.98 134,700
2017-06-09 Singer Andrew E. (EVP & CFO) Option Ex 2,459 .00 0
2017-06-06 Copeland Robert A (President of Research and CSO) Sale 2,500 13.45 33,625
2017-06-06 Copeland Robert A (President of Research and CSO) Option Ex 2,500 3.54 8,850
2017-05-25 Ho Peter Tai-ching (Chief Development Officer) Sale 15,000 16.11 241,665
2017-05-25 Ho Peter Tai-ching (Chief Development Officer) Option Ex 15,000 8.98 134,700
2017-05-09 Singer Andrew E. (EVP & CFO) Option Ex 2,460 .00 0
2017-05-02 Copeland Robert A (President of Research and CSO) Sale 5,000 17.44 87,215
2017-05-02 Copeland Robert A (President of Research and CSO) Option Ex 5,000 3.54 17,700
2017-04-10 Singer Andrew E. (EVP & CFO) Option Ex 2,459 .00 0
2017-04-04 Copeland Robert A (President of Research and CSO) Sale 5,000 16.36 81,805
2017-04-04 Copeland Robert A (President of Research and CSO) Option Ex 5,000 2.87 14,325
2017-03-31 Singer Andrew E. (EVP & CFO) Sale 2,013 17.09 34,394
2017-03-09 Singer Andrew E. (EVP & CFO) Option Ex 2,459 .00 0
2017-02-09 Singer Andrew E. (EVP & CFO) Option Ex 2,459 .00 0
2017-01-09 Singer Andrew E. (EVP & CFO) Sale 1,013 12.04 12,194
2017-01-09 Singer Andrew E. (EVP & CFO) Option Ex 2,459 .00 0
2016-12-09 Singer Andrew E. (EVP & CFO) Sale 1,013 11.03 11,172
2016-12-09 Singer Andrew E. (EVP & CFO) Option Ex 2,459 .00 0
2016-12-08 Ho Peter Tai-ching (Chief Development Officer) Sale 200 10.89 2,178
2016-11-09 Singer Andrew E. (EVP & CFO) Sale 1,013 10.40 10,535
2016-11-09 Singer Andrew E. (EVP & CFO) Option Ex 2,460 .00 0
2016-10-10 Singer Andrew E. (EVP & CFO) Sale 1,013 9.72 9,848
2016-10-10 Singer Andrew E. (EVP & CFO) Option Ex 2,459 .00 0
2016-09-09 Singer Andrew E. (EVP & CFO) Sale 1,013 7.55 7,651
2016-09-09 Singer Andrew E. (EVP & CFO) Option Ex 2,459 .00 0
2016-08-09 Singer Andrew E. (EVP & CFO) Sale 1,013 9.05 9,165
2016-08-09 Singer Andrew E. (EVP & CFO) Option Ex 2,460 .00 0
2016-08-01 Copeland Robert A (President of Research and CSO) Sale 4,000 10.37 41,492
2016-08-01 Copeland Robert A (President of Research and CSO) Option Ex 4,000 2.19 8,760
2016-07-11 Singer Andrew E. (EVP & CFO) Sale 1,013 10.36 10,493
2016-07-11 Singer Andrew E. (EVP & CFO) Option Ex 2,459 .00 0
2016-07-05 Copeland Robert A (President of Research and CSO) Sale 4,000 10.03 40,128
2016-07-05 Copeland Robert A (President of Research and CSO) Option Ex 4,000 2.19 8,760
2016-06-09 Singer Andrew E. (EVP & CFO) Sale 1,013 12.49 12,655
2016-06-09 Singer Andrew E. (EVP & CFO) Option Ex 2,459 .00 0
2016-06-01 Copeland Robert A (President of Research and CSO) Option Ex 31,538 3.54 111,644
2016-05-09 Singer Andrew E. (EVP & CFO) Sale 1,013 9.94 10,070
2016-05-09 Singer Andrew E. (EVP & CFO) Option Ex 2,460 .00 0
2016-04-12 Singer Andrew E. (EVP & CFO) Sale 346 12.14 4,200
2016-04-11 Singer Andrew E. (EVP & CFO) Sale 1,680 12.48 20,966
2016-04-11 Singer Andrew E. (EVP & CFO) Option Ex 4,918 .00 0
2016-03-09 Singer Andrew E. (EVP & CFO) Sale 1,006 9.05 9,104
2016-03-09 Singer Andrew E. (EVP & CFO) Option Ex 2,459 .00 0
2016-02-10 Singer Andrew E. (EVP & CFO) Sale 12,158 9.54 115,987
2016-02-09 Singer Andrew E. (EVP & CFO) Option Ex 29,512 .00 0
2016-01-12 Viswanathan Ravi (10% Owner) Buy 1,111,111 9.00 9,999,999
2016-01-12 Bay City Capital Management V Llc (10% Owner) Buy 555,555 9.00 4,999,995
2016-01-12 Nea 13 Gp, Ltd (10% Owner) Buy 1,111,111 9.00 9,999,999
2016-01-12 Weller Harry R (10% Owner) Buy 1,111,111 9.00 9,999,999
2016-01-12 Baskett Forest (10% Owner) Buy 1,111,111 9.00 9,999,999
2016-01-12 Kolluri Krishna Kittu (10% Owner) Buy 1,111,111 9.00 9,999,999
2016-01-12 Sandell Scott D (10% Owner) Buy 1,111,111 9.00 9,999,999
2016-01-12 Kerins Patrick J (10% Owner) Buy 1,111,111 9.00 9,999,999
2016-01-12 Mott David M (Director) Buy 1,111,111 9.00 9,999,999
2016-01-12 Barrett M James (10% Owner) Buy 1,111,111 9.00 9,999,999
2016-01-12 Goldfischer Carl (Director) Buy 555,555 9.00 4,999,995
2016-01-12 Barris Peter J (10% Owner) Buy 1,111,111 9.00 9,999,999
2016-01-04 Copeland Robert A (President of Research and CSO) Sale 4,185 15.57 65,181
2016-01-04 Copeland Robert A (President of Research and CSO) Option Ex 4,185 2.87 11,990
2015-12-30 Gould Robert J (Director) Sale 11,805 18.02 212,714
2015-12-30 Gould Robert J (Director) Option Ex 11,805 .51 6,020
2015-12-29 Gould Robert J (Director) Sale 20,303 18.01 365,616
2015-12-29 Gould Robert J (Director) Option Ex 20,303 .51 10,354
2015-12-09 Ho Peter Tai-ching (Chief Development Officer) Buy 1,000 14.69 14,690
2015-12-07 Copeland Robert A (President of Research and CSO) Sale 4,185 13.82 57,845
2015-12-07 Copeland Robert A (President of Research and CSO) Option Ex 4,185 1.40 5,838
2015-11-09 Copeland Robert A (President of Research and CSO) Sale 4,185 16.26 68,060
2015-11-09 Copeland Robert A (President of Research and CSO) Option Ex 4,185 .60 2,511
2015-10-05 Copeland Robert A (President of Research and CSO) Sale 4,185 14.43 60,381
2015-10-05 Copeland Robert A (President of Research and CSO) Option Ex 4,185 .60 2,511
2015-09-08 Gould Robert J (President & CEO) Sale 60,000 19.56 1,173,600
2015-09-08 Gould Robert J (President & CEO) Option Ex 60,000 .51 30,600
2015-09-08 Copeland Robert A (President of Research and CSO) Sale 4,185 19.57 81,921
2015-09-08 Copeland Robert A (President of Research and CSO) Option Ex 4,185 .60 2,511
2015-08-31 Ho Peter Tai-ching (Chief Development Officer) Buy 522 17.00 8,874
2015-08-20 Ho Peter Tai-ching (Chief Development Officer) Buy 2,000 16.51 33,020
2015-08-03 Gould Robert J (President & CEO) Sale 60,000 22.17 1,330,200
2015-08-03 Gould Robert J (President & CEO) Option Ex 60,000 .51 30,600
2015-08-03 Copeland Robert A (President of Research and CSO) Sale 8,370 22.19 185,730
2015-08-03 Copeland Robert A (President of Research and CSO) Option Ex 8,370 .60 5,022
2015-07-06 Gould Robert J (President & CEO) Sale 60,000 23.36 1,401,540
2015-07-06 Gould Robert J (President & CEO) Option Ex 60,000 .51 30,600
2015-07-06 Copeland Robert A (President of Research and CSO) Sale 8,371 22.86 191,394
2015-07-06 Copeland Robert A (President of Research and CSO) Option Ex 8,371 .56 4,645
2015-05-05 Ho Peter Tai-ching (Chief Development Officer) Buy 800 16.36 13,084
2014-12-16 Ho Peter Tai-ching (Chief Development Officer) Buy 400 17.63 7,052
2014-12-02 Ho Peter Tai-ching (Chief Development Officer) Buy 1,000 21.17 21,172
2014-11-17 Copeland Robert A (EVP and CSO) Sale 20,000 22.68 453,640
2014-11-17 Copeland Robert A (EVP and CSO) Option Ex 20,000 2.19 43,800
2014-11-03 Garbacz Stephen (Principal Accounting Officer) Sale 868 26.44 22,949
2014-11-03 Garbacz Stephen (Principal Accounting Officer) Option Ex 868 2.19 1,900
2014-11-03 Gould Robert J (President & CEO) Sale 30,000 25.62 768,510
2014-11-03 Gould Robert J (President & CEO) Option Ex 30,000 .51 15,300
2014-11-03 Copeland Robert A (EVP and CSO) Sale 20,000 25.72 514,320
2014-11-03 Copeland Robert A (EVP and CSO) Option Ex 20,000 1.40 27,900
2014-10-23 Garbacz Stephen (Principal Accounting Officer) Sale 535 30.00 16,050
2014-10-23 Garbacz Stephen (Principal Accounting Officer) Option Ex 535 3.54 1,893
2014-10-15 Hedrick Eric (Chief Medical Officer) Sale 2,000 23.38 46,760
2014-10-15 Hedrick Eric (Chief Medical Officer) Option Ex 2,000 2.19 4,380
2014-10-07 Copeland Robert A (EVP and CSO) Sale 20,000 27.30 545,980
2014-10-07 Copeland Robert A (EVP and CSO) Option Ex 20,000 .60 12,000
2014-10-01 Garbacz Stephen (Principal Accounting Officer) Sale 868 27.06 23,488
2014-10-01 Garbacz Stephen (Principal Accounting Officer) Option Ex 868 2.19 1,900
2014-10-01 Gould Robert J (President & CEO) Sale 30,000 26.66 799,860
2014-10-01 Gould Robert J (President & CEO) Option Ex 30,000 .51 15,300
2014-09-22 Copeland Robert A (EVP and CSO) Sale 20,000 25.55 511,000
2014-09-22 Copeland Robert A (EVP and CSO) Option Ex 20,000 .60 12,000
2014-09-22 Rhodes Jason P (President, CFO and Treasurer) Option Ex 44,000 .51 22,440
2014-09-15 Hedrick Eric (Chief Medical Officer) Sale 2,000 28.67 57,340
2014-09-15 Hedrick Eric (Chief Medical Officer) Option Ex 2,000 2.19 4,380
2014-09-04 Goldfischer Carl (Director) Sale 4,000 35.14 140,560
2014-09-02 Gould Robert J (CEO) Sale 30,000 33.60 1,007,940
2014-09-02 Gould Robert J (CEO) Option Ex 30,000 .51 15,300
2014-09-02 Rhodes Jason P (President, CFO and Treasurer) Sale 30,000 33.63 1,008,869
2014-09-02 Rhodes Jason P (President, CFO and Treasurer) Option Ex 42,000 2.07 86,940
2014-08-26 Bay City Capital Management V Llc (10% Owner) Sale 200,000 35.14 7,027,800
2014-08-26 Goldfischer Carl (Director) Sale 200,000 35.14 7,027,800
2014-08-25 Bay City Capital Management V Llc (10% Owner) Sale 200,000 35.77 7,153,600
2014-08-25 Goldfischer Carl (Director) Sale 200,000 35.77 7,153,600
2014-08-22 Bay City Capital Management V Llc (10% Owner) Sale 128,000 32.46 4,154,752
2014-08-22 Goldfischer Carl (Director) Sale 128,000 32.46 4,154,752
2014-08-21 Bay City Capital Management V Llc (10% Owner) Sale 38,666 33.03 1,277,331
2014-08-21 Goldfischer Carl (Director) Sale 38,666 33.03 1,277,331
2014-08-18 Copeland Robert A (EVP and CSO) Sale 10,830 36.22 392,273
2014-08-18 Viswanathan Ravi (10% Owner) Sale 433 35.56 15,396
2014-08-15 Hedrick Eric (Chief Medical Officer) Sale 2,000 38.60 77,200
2014-08-15 Hedrick Eric (Chief Medical Officer) Option Ex 2,000 2.19 4,380
2014-08-15 Drant Ryan D (10% Owner) Sale 4,061 36.70 149,046
2014-08-15 Baskett Forest (10% Owner) Sale 3,970 36.81 146,119
2014-08-15 Kolluri Krishna Kittu (10% Owner) Sale 1,302 36.57 47,614
2014-08-15 Sandell Scott D (10% Owner) Sale 3,411 36.70 125,166
2014-08-15 Barrett M James (10% Owner) Sale 4,061 36.25 147,195
2014-08-15 Barris Peter J (10% Owner) Sale 3,411 36.70 125,166
2014-08-04 Copeland Robert A (EVP and CSO) Sale 20,000 29.48 589,600
2014-08-04 Copeland Robert A (EVP and CSO) Option Ex 20,000 .60 12,000
2014-08-04 Rhodes Jason P (President, CFO and Treasurer) Sale 30,000 29.66 889,650
2014-08-04 Rhodes Jason P (President, CFO and Treasurer) Option Ex 42,000 2.07 86,940
2014-08-01 Gould Robert J (CEO) Sale 30,000 30.37 911,190
2014-08-01 Gould Robert J (CEO) Option Ex 30,000 .51 15,300
2014-07-15 Hedrick Eric (Chief Medical Officer) Sale 2,000 31.35 62,700
2014-07-15 Hedrick Eric (Chief Medical Officer) Option Ex 2,000 2.19 4,380
2014-07-07 Rhodes Jason P (President, CFO and Treasurer) Sale 30,000 33.03 990,990
2014-07-07 Rhodes Jason P (President, CFO and Treasurer) Option Ex 42,000 1.55 65,100
2014-07-01 Gould Robert J (CEO) Sale 30,000 31.71 951,180
2014-07-01 Gould Robert J (CEO) Option Ex 30,000 .51 15,300
2014-06-23 Copeland Robert A (EVP and CSO) Sale 20,000 28.57 571,400
2014-06-23 Copeland Robert A (EVP and CSO) Option Ex 20,000 .56 11,100
2014-06-16 Copeland Robert A (EVP and CSO) Sale 25,012 26.38 659,891
2014-06-16 Hedrick Eric (Chief Medical Officer) Sale 2,000 26.42 52,840
2014-06-16 Hedrick Eric (Chief Medical Officer) Option Ex 2,000 2.19 4,380
2014-06-02 Gould Robert J (CEO) Sale 30,000 22.75 682,440
2014-06-02 Gould Robert J (CEO) Option Ex 30,000 .51 15,300
2014-06-02 Copeland Robert A (EVP and CSO) Sale 38,400 22.71 872,102
2014-06-02 Copeland Robert A (EVP and CSO) Option Ex 38,400 .51 19,584
2014-06-02 Rhodes Jason P (President, CFO and Treasurer) Sale 30,000 22.75 682,590
2014-06-02 Rhodes Jason P (President, CFO and Treasurer) Option Ex 42,000 2.02 85,050
2014-05-19 Copeland Robert A (EVP and CSO) Sale 5,000 22.28 111,380
2014-05-05 Copeland Robert A (EVP and CSO) Sale 10,000 21.29 212,880
2014-05-05 Rhodes Jason P (President, CFO and Treasurer) Sale 30,000 21.53 645,840
2014-05-05 Rhodes Jason P (President, CFO and Treasurer) Option Ex 42,000 2.02 85,050
2014-05-01 Gould Robert J (CEO) Sale 30,000 22.08 662,520
2014-05-01 Gould Robert J (CEO) Option Ex 30,000 .51 15,300
2014-04-28 Copeland Robert A (EVP and CSO) Sale 13,800 20.73 286,087
2014-04-28 Copeland Robert A (EVP and CSO) Option Ex 13,800 .51 7,038
2014-04-07 Gould Robert J (CEO) Sale 30,000 20.23 606,750
2014-04-07 Gould Robert J (CEO) Option Ex 30,000 .51 15,300
2014-04-07 Rhodes Jason P (President, CFO and Treasurer) Sale 25,000 20.05 501,199
2014-04-07 Rhodes Jason P (President, CFO and Treasurer) Option Ex 35,000 .51 17,850
2014-02-10 Gould Robert J (CEO) Sale 60,000 29.25 1,755,000
2014-02-10 Gould Robert J (CEO) Option Ex 60,000 .51 30,600
2014-02-10 Copeland Robert A (EVP and CSO) Sale 19,179 29.25 560,985
2014-02-10 Rhodes Jason P (President, CFO and Treasurer) Sale 50,000 29.25 1,462,500
2014-02-10 Rhodes Jason P (President, CFO and Treasurer) Option Ex 70,000 2.02 141,750
2014-02-10 Hedrick Eric (Chief Medical Officer) Sale 13,500 29.25 394,875
2014-02-10 Hedrick Eric (Chief Medical Officer) Option Ex 13,500 2.19 29,565
2014-02-10 Kleiner Perkins Caufield & Byers Xiii, Llc (10% Owner) Sale 388,584 27.64 10,740,850
2014-02-10 Bay City Capital Fund V, L.p. (10% Owner) Sale 466,667 29.25 13,650,009
2014-02-10 Seidenberg Beth C (Director) Sale 388,584 27.64 10,740,850
2014-02-10 Kailian Vaughn M (10% Owner) Sale 466,666 29.25 13,649,980
2014-02-10 Gadicke Ansbert (10% Owner) Sale 466,666 29.25 13,649,980
2014-02-10 Goldfischer Carl (Director) Sale 466,667 29.25 13,650,009
2014-02-10 Celgene Corp /de/ (10% Owner) Buy 340,000 29.25 9,945,000
2014-01-13 Copeland Robert A (EVP and CSO) Sale 15,006 39.36 590,636
2014-01-06 Rhodes Jason P (President, CFO and Treasurer) Sale 10,000 20.19 201,870
2014-01-06 Rhodes Jason P (President, CFO and Treasurer) Option Ex 14,000 .51 7,140
2014-01-02 Gould Robert J (President and CEO) Sale 30,000 20.17 604,980
2014-01-02 Gould Robert J (President and CEO) Option Ex 30,000 .38 11,400
2013-12-16 Copeland Robert A (EVP and CSO) Sale 4,600 21.20 97,542
2013-12-16 Copeland Robert A (EVP and CSO) Option Ex 4,600 2.19 10,074
2013-12-02 Copeland Robert A (EVP and CSO) Sale 5,000 20.70 103,480
2013-11-15 Viswanathan Ravi (10% Owner) Buy 49,500 19.81 980,496
2013-11-15 Nea 13 Gp, Ltd (10% Owner) Buy 49,500 19.81 980,496
2013-11-15 Weller Harry R (10% Owner) Buy 49,500 19.81 980,496
2013-11-15 Drant Ryan D (10% Owner) Buy 49,500 19.81 980,496
2013-11-15 Baskett Forest (10% Owner) Buy 49,500 19.81 980,496
2013-11-15 Kolluri Krishna Kittu (10% Owner) Buy 49,500 19.81 980,496
2013-11-15 Sandell Scott D (10% Owner) Buy 49,500 19.81 980,496
2013-11-15 Kerins Patrick J (10% Owner) Buy 49,500 19.81 980,496
2013-11-15 Mott David M (Director) Buy 49,500 19.81 980,496
2013-11-15 Barrett M James (10% Owner) Buy 49,500 19.81 980,496
2013-11-15 Barris Peter J (10% Owner) Buy 49,500 19.81 980,496
2013-11-14 Viswanathan Ravi (10% Owner) Buy 357,000 19.98 7,132,860
2013-11-14 Nea 13 Gp, Ltd (10% Owner) Buy 357,000 19.98 7,132,860
2013-11-14 Weller Harry R (10% Owner) Buy 357,000 19.98 7,132,860
2013-11-14 Drant Ryan D (10% Owner) Buy 357,000 19.98 7,132,860
2013-11-14 Baskett Forest (10% Owner) Buy 357,000 19.98 7,132,860
2013-11-14 Kolluri Krishna Kittu (10% Owner) Buy 357,000 19.98 7,132,860
2013-11-14 Sandell Scott D (10% Owner) Buy 357,000 19.98 7,132,860
2013-11-14 Kerins Patrick J (10% Owner) Buy 357,000 19.98 7,132,860
2013-11-14 Mott David M (Director) Buy 357,000 19.98 7,132,860
2013-11-14 Barrett M James (10% Owner) Buy 357,000 19.98 7,132,860
2013-11-14 Barris Peter J (10% Owner) Buy 357,000 19.98 7,132,860
2013-06-05 Astellas Venture Management Llc (10% Owner) Buy 15,333 15.00 229,995
2013-06-05 Viswanathan Ravi (10% Owner) Buy 400,000 15.00 6,000,000
2013-06-05 Bay City Capital Management V Llc (10% Owner) Buy 166,666 15.00 2,499,990
2013-06-05 Nea 13 Gp, Ltd (10% Owner) Buy 400,000 15.00 6,000,000
2013-06-05 Weller Harry R (10% Owner) Buy 400,000 15.00 6,000,000
2013-06-05 Drant Ryan D (10% Owner) Buy 400,000 15.00 6,000,000
2013-06-05 Baskett Forest (10% Owner) Buy 400,000 15.00 6,000,000
2013-06-05 Kolluri Krishna Kittu (10% Owner) Buy 400,000 15.00 6,000,000
2013-06-05 Sandell Scott D (10% Owner) Buy 400,000 15.00 6,000,000
2013-06-05 Kerins Patrick J (10% Owner) Buy 400,000 15.00 6,000,000
2013-06-05 Mott David M (Director) Buy 400,000 15.00 6,000,000
2013-06-05 Barrett M James (10% Owner) Buy 400,000 15.00 6,000,000
2013-06-05 Goldfischer Carl (Director) Buy 166,666 15.00 2,499,990
2013-06-05 Barris Peter J (10% Owner) Buy 400,000 15.00 6,000,000
2013-06-05 Celgene Corp /de/ (10% Owner) Buy 66,666 15.00 999,990
2013-06-05 Amgen Inc (10% Owner) Buy 16,666 15.00 249,990

Insider trading activities including stock purchases, stock sales, and option exercises of EPZM listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Epizyme, Inc. (symbol EPZM, CIK number 1571498) see the Securities and Exchange Commission (SEC) website.