| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Mar 02, 2021 | Sale | $29.58 | 42 | 1,242 | 47,829 | Mar 04, 2021, 04:46 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Feb 17, 2021 | Sale | $28.16 | 698 | 19,657 | 47,871 | Feb 18, 2021, 05:22 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Feb 02, 2021 | Sale | $45.93 | 63 | 2,893 | 36,298 | Feb 04, 2021, 04:04 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 05, 2021 | Sale | $44.95 | 48 | 2,158 | 39,528 | Jan 08, 2021, 05:57 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 06, 2021 | Sale | $45.05 | 3,167 | 142,684 | 37,685 | Jan 08, 2021, 05:57 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Dec 02, 2020 | Sale | $46.20 | 64 | 2,957 | 39,578 | Dec 04, 2020, 04:48 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Nov 02, 2020 | Sale | $52.94 | 63 | 3,335 | 39,658 | Nov 04, 2020, 04:05 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Oct 02, 2020 | Sale | $52.76 | 64 | 3,377 | 39,703 | Oct 06, 2020, 04:06 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Sep 03, 2020 | Sale | $58.60 | 41 | 2,403 | 39,767 | Sep 08, 2020, 04:07 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Aug 03, 2020 | Sale | $60.75 | 42 | 2,552 | 39,819 | Aug 05, 2020, 04:06 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jul 02, 2020 | Sale | $61.57 | 42 | 2,586 | 39,850 | Jul 07, 2020, 05:22 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jun 02, 2020 | Sale | $64.03 | 42 | 2,689 | 39,924 | Jun 04, 2020, 05:44 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 07, 2020 | Sale | $89.97 | 3,297 | 296,635 | 28,319 | Jan 09, 2020, 05:33 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Sep 09, 2019 | Option Exercise | $75.31 | 6,000 | 451,869 | 34,616 | Sep 11, 2019, 04:29 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Sep 10, 2019 | Option Exercise | $75.33 | 4,120 | 310,374 | 33,676 | Sep 11, 2019, 04:29 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Aug 06, 2019 | Sale | $83.30 | 10,120 | 842,968 | 36,676 | Aug 08, 2019, 04:19 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jul 05, 2019 | Sale | $89.02 | 15,320 | 1,363,800 | 39,276 | Jul 09, 2019, 04:20 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jun 06, 2019 | Sale | $86.57 | 10,120 | 876,119 | 36,676 | Jun 10, 2019, 04:14 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | May 06, 2019 | Sale | $72.22 | 12,720 | 918,701 | 37,976 | May 08, 2019, 04:35 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Apr 04, 2019 | Sale | $82.78 | 12,720 | 1,052,958 | 37,976 | Apr 08, 2019, 04:11 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Mar 13, 2019 | Sale | $75.95 | 6,202 | 471,061 | 34,717 | Mar 15, 2019, 04:32 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Mar 04, 2019 | Sale | $103.14 | 9,820 | 1,012,837 | 36,526 | Mar 06, 2019, 04:32 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Feb 04, 2019 | Sale | $82.98 | 9,820 | 814,848 | 36,526 | Feb 05, 2019, 05:58 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 18, 2019 | Option Exercise | $77.26 | 4,070 | 314,440 | 24,276 | Jan 23, 2019, 04:18 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 07, 2019 | Sale | $113.64 | 2,664 | 302,733 | 23,157 | Jan 09, 2019, 04:46 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 02, 2019 | Sale | $58.10 | 15,000 | 871,437 | 29,605 | Jan 04, 2019, 12:00 AM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 03, 2019 | Option Exercise | $62.39 | 200 | 12,479 | 25,005 | Jan 04, 2019, 12:00 AM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Dec 04, 2018 | Sale | $63.28 | 4,000 | 253,108 | 26,905 | Dec 06, 2018, 04:12 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Dec 03, 2018 | Sale | $59.55 | 12,000 | 714,542 | 30,905 | Dec 06, 2018, 04:12 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Nov 02, 2018 | Sale | $69.57 | 10,000 | 695,718 | 29,905 | Nov 06, 2018, 04:15 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Oct 02, 2018 | Sale | $72.41 | 10,000 | 724,090 | 29,905 | Oct 04, 2018, 04:21 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Sep 04, 2018 | Sale | $86.07 | 14,000 | 1,204,996 | 31,905 | Sep 06, 2018, 04:12 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Aug 02, 2018 | Sale | $77.93 | 14,000 | 1,091,086 | 31,905 | Aug 06, 2018, 04:08 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jul 11, 2018 | Sale | $92.82 | 6,000 | 556,945 | 27,905 | Jul 13, 2018, 04:31 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jul 02, 2018 | Option Exercise | $79.73 | 20,000 | 1,594,605 | 34,905 | Jul 03, 2018, 12:00 AM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jun 04, 2018 | Sale | $106.16 | 26,000 | 2,760,075 | 37,905 | Jun 06, 2018, 04:39 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | May 02, 2018 | Sale | $100.99 | 26,000 | 2,625,807 | 37,905 | May 04, 2018, 04:39 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Apr 12, 2018 | Option Exercise | $102.32 | 6,000 | 613,917 | 27,905 | Apr 16, 2018, 04:48 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Apr 02, 2018 | Sale | $95.99 | 44,000 | 4,223,723 | 46,905 | Apr 04, 2018, 04:47 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Mar 02, 2018 | Sale | $103.34 | 8,000 | 826,753 | 28,905 | Mar 06, 2018, 04:29 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Feb 02, 2018 | Sale | $103.93 | 8,000 | 831,441 | 28,905 | Feb 05, 2018, 04:01 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 05, 2018 | Sale | $173.38 | 2,322 | 402,578 | 13,959 | Jan 09, 2018, 04:05 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 08, 2018 | Sale | $89.78 | 2,400 | 215,484 | 14,855 | Jan 09, 2018, 04:05 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 03, 2018 | Sale | $92.90 | 12,000 | 1,114,783 | 21,977 | Jan 05, 2018, 04:10 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Dec 01, 2017 | Sale | $88.96 | 8,000 | 711,681 | 19,977 | Dec 05, 2017, 04:08 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Nov 01, 2017 | Sale | $75.35 | 8,000 | 602,823 | 19,977 | Nov 03, 2017, 04:06 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Oct 02, 2017 | Sale | $68.41 | 8,000 | 547,250 | 19,977 | Oct 04, 2017, 04:02 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Sep 01, 2017 | Sale | $67.29 | 24,000 | 1,614,905 | 27,977 | Sep 06, 2017, 04:06 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Aug 01, 2017 | Sale | $47.23 | 6,000 | 283,369 | 18,977 | Aug 03, 2017, 04:04 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jul 07, 2017 | Sale | $100.49 | 1,200 | 120,583 | 16,077 | Jul 11, 2017, 04:07 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jul 05, 2017 | Sale | $53.68 | 10,000 | 536,844 | 22,177 | Jul 07, 2017, 04:03 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jun 05, 2017 | Option Exercise | $46.05 | 2,000 | 92,092 | 18,177 | Jun 07, 2017, 04:46 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jun 01, 2017 | Option Exercise | $38.76 | 4,000 | 155,029 | 19,177 | Jun 05, 2017, 04:33 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | May 01, 2017 | Sale | $45.41 | 6,000 | 272,478 | 20,177 | May 03, 2017, 04:24 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Apr 03, 2017 | Sale | $46.49 | 6,000 | 278,953 | 20,177 | Apr 05, 2017, 04:09 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Feb 01, 2017 | Sale | $38.09 | 4,000 | 152,367 | 19,177 | Feb 03, 2017, 04:30 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 27, 2017 | Option Exercise | $35.56 | 12,000 | 426,689 | 14,677 | Jan 31, 2017, 04:28 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 05, 2017 | Sale | $67.10 | 923 | 61,933 | 8,677 | Jan 09, 2017, 04:06 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jul 15, 2016 | Sale | $23.58 | 2,000 | 47,168 | 10,600 | Jul 19, 2016, 04:13 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jun 15, 2016 | Sale | $21.10 | 2,000 | 42,202 | 10,600 | Jun 16, 2016, 04:17 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | May 16, 2016 | Sale | $20.41 | 2,000 | 40,819 | 10,600 | May 18, 2016, 04:14 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Apr 15, 2016 | Sale | $25.86 | 2,000 | 51,720 | 10,600 | Apr 19, 2016, 04:07 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Mar 15, 2016 | Sale | $24.11 | 2,000 | 48,215 | 10,600 | Mar 17, 2016, 04:13 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Feb 16, 2016 | Option Exercise | $23.63 | 2,000 | 47,266 | 1,000 | Feb 18, 2016, 04:34 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 15, 2016 | Option Exercise | $23.24 | 2,000 | 46,482 | 1,000 | Jan 20, 2016, 04:08 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Dec 15, 2015 | Option Exercise | $30.32 | 2,000 | 60,636 | 1,000 | Dec 17, 2015, 04:14 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Nov 16, 2015 | Sale | $36.54 | 4,000 | 146,168 | 2,000 | Nov 18, 2015, 04:09 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Oct 15, 2015 | Sale | $40.89 | 4,000 | 163,579 | 2,000 | Oct 19, 2015, 04:30 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Sep 15, 2015 | Sale | $66.04 | 4,000 | 264,142 | 2,000 | Sep 17, 2015, 04:04 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Aug 17, 2015 | Sale | $63.71 | 4,000 | 254,836 | 2,000 | Aug 19, 2015, 04:14 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jul 15, 2015 | Sale | $84.03 | 4,000 | 336,107 | 2,000 | Jul 17, 2015, 07:43 AM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jun 15, 2015 | Option Exercise | $92.71 | 4,000 | 370,853 | 2,000 | Jun 17, 2015, 04:08 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | May 15, 2015 | Sale | $78.21 | 4,000 | 312,849 | 2,000 | May 19, 2015, 04:07 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Apr 15, 2015 | Sale | $66.13 | 4,000 | 264,535 | 2,000 | Apr 17, 2015, 04:04 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Mar 02, 2015 | Sale | $48.47 | 8,000 | 387,738 | 4,000 | Mar 03, 2015, 04:13 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Feb 02, 2015 | Sale | $48.86 | 8,000 | 390,847 | 4,000 | Feb 04, 2015, 04:06 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 02, 2015 | Sale | $46.05 | 8,000 | 368,379 | 4,000 | Jan 06, 2015, 04:04 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Dec 08, 2014 | Sale | $24.14 | 27,576 | 665,775 | 13,788 | Dec 09, 2014, 04:12 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Dec 05, 2014 | Option Exercise | $23.54 | 2,424 | 57,073 | 1,212 | Dec 09, 2014, 04:12 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Dec 03, 2014 | Sale | $21.87 | 6,000 | 131,216 | 3,000 | Dec 05, 2014, 08:24 AM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Nov 03, 2014 | Sale | $21.88 | 6,000 | 131,289 | 3,000 | Nov 05, 2014, 08:21 AM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Oct 01, 2014 | Option Exercise | $18.32 | 6,000 | 109,920 | 3,000 | Oct 03, 2014, 08:14 AM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Sep 02, 2014 | Option Exercise | $20.04 | 6,000 | 120,270 | 3,000 | Sep 03, 2014, 04:02 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Aug 01, 2014 | Option Exercise | $17.85 | 6,000 | 107,130 | 3,000 | Aug 05, 2014, 08:03 AM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jul 01, 2014 | Option Exercise | $20.82 | 6,000 | 124,920 | 3,000 | Jul 03, 2014, 06:24 AM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jun 02, 2014 | Option Exercise | $12.15 | 6,000 | 72,900 | 3,000 | Jun 04, 2014, 08:53 AM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | May 01, 2014 | Option Exercise | $10.97 | 8,000 | 87,760 | 4,000 | May 02, 2014, 04:19 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Apr 01, 2014 | Option Exercise | $12.41 | 8,000 | 99,320 | 4,000 | Apr 03, 2014, 05:09 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Mar 03, 2014 | Option Exercise | $13.44 | 16,000 | 215,040 | 8,000 | Mar 05, 2014, 05:04 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Feb 03, 2014 | Option Exercise | $11.69 | 16,000 | 187,120 | 8,000 | Feb 05, 2014, 05:02 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 02, 2014 | Sale | $11.46 | 20,000 | 229,200 | 10,000 | Jan 03, 2014, 05:50 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Jan 03, 2014 | Sale | $11.54 | 10,000 | 115,400 | 5,000 | Jan 03, 2014, 05:50 PM | |
| BLUE | bluebird bio, Inc. | Davidson David | Chief Medical Officer | Dec 16, 2013 | Sale | $11.37 | 30,000 | 341,100 | 15,000 | Dec 18, 2013, 05:12 PM |
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