| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Strategy Officer | Aug 20, 2019 | Sale | $74.23 | 1,000 | 74,235 | 41,421 | Aug 21, 2019, 04:06 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Strategy Officer | Jun 18, 2019 | Sale | $75.30 | 200 | 15,059 | 41,021 | Jun 20, 2019, 04:52 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Strategy Officer | Jun 10, 2019 | Option Exercise | $74.96 | 2,800 | 209,877 | 42,321 | Jun 12, 2019, 04:31 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Strategy Officer | May 10, 2019 | Sale | $78.39 | 3,000 | 235,156 | 42,421 | May 14, 2019, 04:08 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Strategy Officer | Apr 10, 2019 | Sale | $90.56 | 3,000 | 271,681 | 42,421 | Apr 12, 2019, 04:17 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Strategy Officer | Mar 11, 2019 | Option Exercise | $82.13 | 3,000 | 246,403 | 42,421 | Mar 13, 2019, 04:14 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial and | Feb 08, 2019 | Sale | $77.88 | 3,000 | 233,633 | 42,421 | Feb 12, 2019, 04:11 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Jan 16, 2019 | Sale | $74.81 | 6,000 | 448,839 | 35,483 | Jan 18, 2019, 04:06 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Jan 07, 2019 | Sale | $113.64 | 3,012 | 342,277 | 33,516 | Jan 09, 2019, 05:05 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Nov 09, 2018 | Option Exercise | $77.53 | 3,000 | 232,595 | 36,995 | Nov 14, 2018, 04:10 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Oct 10, 2018 | Sale | $79.85 | 3,000 | 239,544 | 36,995 | Oct 12, 2018, 04:53 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Sep 10, 2018 | Sale | $87.32 | 3,000 | 261,948 | 36,995 | Sep 12, 2018, 12:00 AM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Aug 30, 2018 | Sale | $93.14 | 40,000 | 3,725,637 | 55,495 | Sep 04, 2018, 05:03 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Aug 10, 2018 | Sale | $81.21 | 3,000 | 243,640 | 36,995 | Aug 14, 2018, 04:47 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Aug 02, 2018 | Sale | $78.76 | 43,000 | 3,386,754 | 56,995 | Aug 06, 2018, 04:10 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Jan 05, 2018 | Sale | $173.38 | 3,060 | 530,530 | 24,646 | Jan 09, 2018, 04:07 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Dec 11, 2017 | Sale | $120.51 | 19,800 | 2,386,038 | 37,205 | Dec 13, 2017, 04:09 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Nov 10, 2017 | Sale | $84.78 | 19,800 | 1,678,733 | 37,205 | Nov 14, 2017, 04:02 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Nov 01, 2017 | Sale | $78.44 | 70,000 | 5,490,845 | 62,305 | Nov 03, 2017, 04:08 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Oct 10, 2017 | Option Exercise | $67.72 | 9,800 | 663,676 | 32,205 | Oct 11, 2017, 04:37 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Sep 11, 2017 | Sale | $65.61 | 9,800 | 643,017 | 32,205 | Sep 13, 2017, 04:07 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Aug 31, 2017 | Sale | $65.25 | 24,000 | 1,566,101 | 39,305 | Sep 05, 2017, 04:02 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Aug 28, 2017 | Sale | $56.28 | 2,500 | 140,702 | 28,555 | Aug 30, 2017, 04:17 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Aug 10, 2017 | Sale | $50.46 | 2,500 | 126,141 | 28,555 | Aug 14, 2017, 04:03 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Jul 10, 2017 | Sale | $52.69 | 5,000 | 263,475 | 29,805 | Jul 12, 2017, 04:15 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Jun 12, 2017 | Sale | $55.81 | 5,000 | 279,048 | 29,805 | Jun 14, 2017, 04:18 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Jun 06, 2017 | Sale | $51.07 | 5,000 | 255,351 | 29,805 | Jun 08, 2017, 04:21 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | May 10, 2017 | Sale | $47.14 | 2,500 | 117,842 | 28,555 | May 12, 2017, 04:20 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Apr 10, 2017 | Option Exercise | $46.44 | 2,500 | 116,101 | 28,555 | Apr 12, 2017, 04:12 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Mar 16, 2017 | Option Exercise | $51.21 | 7,086 | 362,874 | 30,848 | Mar 20, 2017, 04:06 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Financial | Jan 05, 2017 | Sale | $67.10 | 1,295 | 86,894 | 12,705 | Jan 09, 2017, 04:08 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Nov 10, 2015 | Option Exercise | $38.35 | 22,000 | 843,639 | 11,000 | Nov 12, 2015, 04:03 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Oct 12, 2015 | Sale | $45.07 | 22,000 | 991,624 | 11,000 | Oct 14, 2015, 04:03 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Sep 10, 2015 | Sale | $67.76 | 22,000 | 1,490,750 | 11,000 | Sep 14, 2015, 04:08 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Aug 10, 2015 | Sale | $75.27 | 22,000 | 1,655,845 | 11,000 | Aug 12, 2015, 04:03 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Jul 10, 2015 | Sale | $80.36 | 22,000 | 1,767,933 | 11,000 | Jul 13, 2015, 04:13 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Jun 10, 2015 | Sale | $90.90 | 22,000 | 1,999,712 | 11,000 | Jun 11, 2015, 04:03 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | May 11, 2015 | Sale | $83.01 | 22,000 | 1,826,122 | 11,000 | May 13, 2015, 04:05 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Apr 10, 2015 | Sale | $64.15 | 42,000 | 2,694,348 | 21,000 | Apr 14, 2015, 04:14 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Mar 10, 2015 | Sale | $56.07 | 21,000 | 1,177,562 | 10,500 | Mar 11, 2015, 04:16 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Feb 10, 2015 | Sale | $43.72 | 21,000 | 918,040 | 10,500 | Feb 12, 2015, 04:14 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Jan 12, 2015 | Sale | $52.83 | 21,000 | 1,109,398 | 10,500 | Jan 14, 2015, 08:08 AM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Dec 10, 2014 | Sale | $42.06 | 21,000 | 883,309 | 10,500 | Dec 11, 2014, 04:13 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Dec 09, 2014 | Option Exercise | $39.44 | 66,000 | 2,603,251 | 33,000 | Dec 11, 2014, 04:13 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Nov 10, 2014 | Sale | $21.68 | 15,000 | 325,202 | 7,500 | Nov 12, 2014, 04:19 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Oct 10, 2014 | Option Exercise | $17.62 | 15,000 | 264,375 | 7,500 | Oct 14, 2014, 04:07 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Sep 10, 2014 | Option Exercise | $19.56 | 15,000 | 293,325 | 7,500 | Sep 12, 2014, 08:39 AM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Aug 11, 2014 | Sale | $18.17 | 15,000 | 272,625 | 7,500 | Aug 13, 2014, 08:23 AM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Jul 10, 2014 | Sale | $17.65 | 15,000 | 264,675 | 7,500 | Jul 14, 2014, 04:04 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Jun 16, 2014 | Option Exercise | $20.98 | 3,000 | 62,925 | 1,500 | Jun 18, 2014, 04:25 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Jun 10, 2014 | Option Exercise | $13.16 | 12,000 | 157,920 | 6,000 | Jun 12, 2014, 04:14 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | May 14, 2014 | Option Exercise | $11.06 | 3,000 | 33,180 | 1,500 | May 16, 2014, 08:09 AM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | May 12, 2014 | Option Exercise | $10.51 | 9,000 | 94,590 | 4,500 | May 14, 2014, 08:15 AM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Apr 10, 2014 | Option Exercise | $11.69 | 12,000 | 140,280 | 6,000 | Apr 14, 2014, 04:07 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Mar 10, 2014 | Option Exercise | $13.94 | 12,000 | 167,340 | 6,000 | Mar 12, 2014, 04:35 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Feb 10, 2014 | Option Exercise | $11.58 | 12,000 | 139,020 | 6,000 | Feb 12, 2014, 07:51 PM | |
| BLUE | bluebird bio, Inc. | Walsh Jeffrey T. | Chief Operating Officer | Jan 10, 2014 | Option Exercise | $12.03 | 12,000 | 144,420 | 6,000 | Jan 10, 2014, 07:11 PM |
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