| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Aug 03, 2017 | Sale | $57.28 | 832 | 47,655 | 6,090 | Aug 07, 2017, 04:02 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Aug 04, 2017 | Option Exercise | $74.45 | 890 | 66,259 | 6,119 | Aug 07, 2017, 04:02 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Jul 05, 2017 | Option Exercise | $82.09 | 7,893 | 647,959 | 9,987 | Jul 07, 2017, 04:03 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Jun 29, 2017 | Sale | $72.95 | 13,515 | 985,939 | 13,194 | Jun 30, 2017, 04:01 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Mar 16, 2017 | Sale | $99.00 | 411 | 40,689 | 6,466 | Mar 20, 2017, 04:06 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Feb 28, 2017 | Sale | $89.00 | 285 | 25,365 | 6,877 | Mar 02, 2017, 04:29 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Jan 05, 2017 | Sale | $67.10 | 229 | 15,366 | 5,412 | Jan 09, 2017, 04:08 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Oct 03, 2016 | Sale | $44.60 | 832 | 37,108 | 6,057 | Oct 05, 2016, 04:04 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Sep 13, 2016 | Option Exercise | $40.60 | 832 | 33,781 | 6,057 | Sep 15, 2016, 04:03 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Aug 03, 2016 | Option Exercise | $40.60 | 832 | 33,781 | 6,057 | Aug 05, 2016, 04:06 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Jul 27, 2016 | Sale | $38.61 | 5,824 | 224,837 | 5,618 | Jul 29, 2016, 04:11 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Jul 19, 2016 | Sale | $45.40 | 857 | 38,908 | 4,656 | Jul 21, 2016, 04:08 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Jul 20, 2016 | Sale | $44.88 | 1,950 | 87,510 | 2,807 | Jul 21, 2016, 04:08 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Dec 02, 2015 | Sale | $51.67 | 832 | 42,988 | 3,634 | Dec 04, 2015, 08:59 AM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Nov 02, 2015 | Option Exercise | $50.04 | 832 | 41,631 | 3,634 | Nov 04, 2015, 08:48 AM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Oct 02, 2015 | Option Exercise | $54.15 | 832 | 45,057 | 3,634 | Oct 06, 2015, 04:06 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Sep 02, 2015 | Sale | $76.57 | 832 | 63,708 | 3,634 | Sep 04, 2015, 08:33 AM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Aug 03, 2015 | Sale | $93.80 | 832 | 78,038 | 3,634 | Aug 05, 2015, 04:02 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Jul 17, 2015 | Sale | $164.58 | 444 | 73,074 | 3,772 | Jul 21, 2015, 04:02 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Jul 20, 2015 | Sale | $162.56 | 682 | 110,869 | 3,260 | Jul 21, 2015, 04:02 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Jul 02, 2015 | Option Exercise | $92.84 | 832 | 77,240 | 4,632 | Jul 06, 2015, 04:11 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Jun 02, 2015 | Sale | $106.20 | 832 | 88,359 | 732 | Jun 04, 2015, 04:01 PM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | May 04, 2015 | Sale | $77.02 | 832 | 64,081 | 732 | May 06, 2015, 08:38 AM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Apr 02, 2015 | Sale | $70.67 | 5,996 | 423,728 | 3,314 | Apr 03, 2015, 11:53 AM | |
| BLUE | bluebird bio, Inc. | Sullivan Eric | Principal Accounting Officer | Jan 02, 2015 | Sale | $55.48 | 7,500 | 416,098 | 3,750 | Jan 06, 2015, 04:05 PM |
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