Davidson David

Insider CIK 1578696 · BLUE Chief Medical Officer

Track record PRO

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Track record

See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.

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Trades across companies

Ticker	Code	Trade	Filed	Shares	Price	Value	Owned after
BLUE bluebird bio, Inc.	S Sale	2021-04-05	2021-04-07	42	$30.21	$1.3K	47,787	SEC↗
BLUE bluebird bio, Inc.	S Sale	2021-03-02	2021-03-04	42	$29.58	$1.2K	47,829	SEC↗
BLUE bluebird bio, Inc.	S Sale	2021-02-17	2021-02-18	698	$28.16	$19.7K	47,871	SEC↗
BLUE bluebird bio, Inc.	A Award deriv	2021-02-16	2021-02-18	20,000	—	$0	20,000	SEC↗
BLUE bluebird bio, Inc.	A Award	2021-02-16	2021-02-18	2,271	—	$0	48,569	SEC↗
BLUE bluebird bio, Inc.	A Award	2021-02-16	2021-02-18	10,000	—	$0	46,298	SEC↗
BLUE bluebird bio, Inc.	S Sale	2021-02-02	2021-02-04	63	$45.93	$2.9K	36,298	SEC↗
BLUE bluebird bio, Inc.	S Sale	2021-01-06	2021-01-08	1,324	$45.46	$60.2K	36,361	SEC↗
BLUE bluebird bio, Inc.	S Sale	2021-01-06	2021-01-08	1,843	$44.76	$82.5K	37,685	SEC↗
BLUE bluebird bio, Inc.	S Sale	2021-01-05	2021-01-08	48	$44.95	$2.2K	39,528	SEC↗
BLUE bluebird bio, Inc.	S Sale	2020-12-02	2020-12-04	2	$46.50	$93	39,576	SEC↗
BLUE bluebird bio, Inc.	S Sale	2020-12-02	2020-12-04	62	$46.19	$2.9K	39,578	SEC↗
BLUE bluebird bio, Inc.	S Sale	2020-11-02	2020-11-04	45	$52.51	$2.4K	39,658	SEC↗
BLUE bluebird bio, Inc.	S Sale	2020-11-02	2020-11-04	12	$53.83	$646	39,646	SEC↗
BLUE bluebird bio, Inc.	S Sale	2020-11-02	2020-11-04	6	$54.43	$327	39,640	SEC↗
BLUE bluebird bio, Inc.	S Sale	2020-10-02	2020-10-06	64	$52.77	$3.4K	39,703	SEC↗
BLUE bluebird bio, Inc.	S Sale	2020-09-03	2020-09-08	41	$58.60	$2.4K	39,767	SEC↗
BLUE bluebird bio, Inc.	S Sale	2020-08-03	2020-08-05	11	$61.98	$682	39,808	SEC↗
BLUE bluebird bio, Inc.	S Sale	2020-08-03	2020-08-05	31	$60.32	$1.9K	39,819	SEC↗
BLUE bluebird bio, Inc.	S Sale	2020-07-02	2020-07-07	42	$61.57	$2.6K	39,850	SEC↗
BLUE bluebird bio, Inc.	S Sale	2020-06-02	2020-06-04	32	$64.24	$2.1K	39,892	SEC↗
BLUE bluebird bio, Inc.	S Sale	2020-06-02	2020-06-04	10	$63.36	$634	39,924	SEC↗
BLUE bluebird bio, Inc.	A Award	2020-05-01	2020-05-05	1,615	—	$0	39,934	SEC↗
BLUE bluebird bio, Inc.	A Award deriv	2020-03-02	2020-03-04	20,000	—	$0	20,000	SEC↗
BLUE bluebird bio, Inc.	A Award	2020-03-02	2020-03-04	10,000	—	$0	38,319	SEC↗
BLUE bluebird bio, Inc.	S Sale	2020-01-07	2020-01-09	3,297	$89.97	$296.6K	28,319	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-09-10	2019-09-11	2,060	—	$0	9,625	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-09-10	2019-09-11	2,060	$50.51	$104.1K	33,676	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-09-10	2019-09-11	2,060	$100.16	$206.3K	31,616	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-09-09	2019-09-11	3,000	—	$0	11,685	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-09-09	2019-09-11	3,000	$50.51	$151.5K	34,616	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-09-09	2019-09-11	3,000	$100.11	$300.3K	31,616	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-08-06	2019-08-08	5,060	—	$0	14,685	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-08-06	2019-08-08	5,060	$50.51	$255.6K	36,676	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-08-06	2019-08-08	2,960	$115.25	$341.1K	33,716	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-08-06	2019-08-08	800	$116.11	$92.9K	32,916	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-08-06	2019-08-08	900	$117.77	$106.0K	32,016	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-08-06	2019-08-08	400	$118.44	$47.4K	31,616	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-07-05	2019-07-09	7,330	—	$0	19,745	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-07-05	2019-07-09	330	—	$0	0	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-07-05	2019-07-09	832	$129.32	$107.6K	35,616	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-07-05	2019-07-09	7,330	$50.51	$370.2K	38,946	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-07-05	2019-07-09	330	$5.50	$1.8K	39,276	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-07-05	2019-07-09	2,828	$128.28	$362.8K	36,448	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-07-05	2019-07-09	700	$131.77	$92.2K	31,616	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-07-05	2019-07-09	3,300	$130.05	$429.2K	32,316	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-06-06	2019-06-10	5,060	—	$0	27,075	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-06-06	2019-06-10	1,344	$122.43	$164.5K	33,116	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-06-06	2019-06-10	1,500	$124.23	$186.3K	31,616	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-06-06	2019-06-10	5,060	$50.51	$255.6K	36,676	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-06-06	2019-06-10	2,216	$121.68	$269.6K	34,460	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-05-06	2019-05-08	6,360	—	$0	330	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-05-06	2019-05-08	1,060	$140.02	$148.4K	31,616	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-05-06	2019-05-08	2,600	$139.24	$362.0K	32,676	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-05-06	2019-05-08	2,700	$138.25	$373.3K	35,276	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-05-06	2019-05-08	6,360	$5.50	$35.0K	37,976	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-04-04	2019-04-08	6,360	—	$0	6,690	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-04-04	2019-04-08	1,033	$161.14	$166.5K	31,616	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-04-04	2019-04-08	6,360	$5.50	$35.0K	37,976	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-04-04	2019-04-08	2,704	$160.22	$433.2K	32,649	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-04-04	2019-04-08	2,623	$159.47	$418.3K	35,353	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-03-13	2019-03-15	3,101	—	$0	13,050	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-03-13	2019-03-15	3,101	$5.50	$17.1K	34,717	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-03-13	2019-03-15	1,401	$146.95	$205.9K	31,616	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-03-13	2019-03-15	1,700	$145.96	$248.1K	33,017	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-03-04	2019-03-06	4,910	—	$0	32,135	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-03-04	2019-03-06	400	$157.70	$63.1K	31,616	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-03-04	2019-03-06	338	$157.00	$53.1K	32,016	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-03-04	2019-03-06	4,910	$50.51	$248.0K	36,526	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-03-04	2019-03-06	1,947	$155.07	$301.9K	34,579	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-03-04	2019-03-06	2,225	$155.85	$346.8K	32,354	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-02-04	2019-02-05	1,355	—	$0	37,045	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-02-04	2019-02-05	3,555	—	$0	3,610	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-02-04	2019-02-05	3,555	$24.47	$87.0K	35,171	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-02-04	2019-02-05	1,355	$50.51	$68.4K	36,526	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-02-04	2019-02-05	600	$133.13	$79.9K	35,926	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-02-04	2019-02-05	3,110	$134.22	$417.4K	32,816	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-02-04	2019-02-05	1,200	$135.10	$162.1K	31,616	SEC↗
BLUE bluebird bio, Inc.	A Award deriv	2019-02-01	2019-02-05	37,500	—	$0	37,500	SEC↗
BLUE bluebird bio, Inc.	A Award	2019-02-01	2019-02-05	9,375	—	$0	31,616	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-01-18	2019-01-23	2,035	—	$0	7,165	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-01-18	2019-01-23	2,035	$130.05	$264.7K	22,241	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-01-18	2019-01-23	2,035	$24.47	$49.8K	24,276	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-01-07	2019-01-09	916	$114.31	$104.7K	22,241	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-01-07	2019-01-09	1,748	$113.29	$198.0K	23,157	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-01-03	2019-01-04	100	—	$0	9,200	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-01-03	2019-01-04	100	$100.32	$10.0K	24,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-01-03	2019-01-04	100	$24.47	$2.4K	25,005	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-01-02	2019-01-04	4,700	—	$0	9,300	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2019-01-02	2019-01-04	2,800	—	$0	16,151	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-01-02	2019-01-04	4,700	$100.09	$470.4K	24,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-01-02	2019-01-04	4,700	$24.47	$115.0K	29,605	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-01-02	2019-01-04	1,600	$96.35	$154.2K	26,105	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2019-01-02	2019-01-04	2,800	$5.50	$15.4K	27,705	SEC↗
BLUE bluebird bio, Inc.	S Sale	2019-01-02	2019-01-04	1,200	$97.05	$116.5K	24,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-12-04	2018-12-06	2,000	—	$0	18,951	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-12-04	2018-12-06	1,100	$121.92	$134.1K	24,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-12-04	2018-12-06	900	$120.00	$108.0K	26,005	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-12-04	2018-12-06	2,000	$5.50	$11.0K	26,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-12-03	2018-12-06	6,000	—	$0	20,951	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-12-03	2018-12-06	6,000	$113.59	$681.5K	24,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-12-03	2018-12-06	6,000	$5.50	$33.0K	30,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-11-02	2018-11-06	5,000	—	$0	26,951	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-11-02	2018-11-06	405	$130.42	$52.8K	29,408	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-11-02	2018-11-06	501	$131.37	$65.8K	28,907	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-11-02	2018-11-06	600	$133.08	$79.8K	28,307	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-11-02	2018-11-06	1,702	$134.12	$228.3K	26,605	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-11-02	2018-11-06	1,700	$135.10	$229.7K	24,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-11-02	2018-11-06	5,000	$5.50	$27.5K	29,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-11-02	2018-11-06	92	$128.30	$11.8K	29,813	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-10-02	2018-10-04	5,000	—	$0	31,951	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-10-02	2018-10-04	448	$139.95	$62.7K	24,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-10-02	2018-10-04	5,000	$5.50	$27.5K	29,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-10-02	2018-10-04	4,552	$139.26	$633.9K	25,353	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-09-04	2018-09-06	7,000	—	$0	36,951	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-09-04	2018-09-06	1,425	$168.25	$239.8K	24,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-09-04	2018-09-06	1,070	$167.30	$179.0K	26,330	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-09-04	2018-09-06	2,083	$166.50	$346.8K	27,400	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-09-04	2018-09-06	2,422	$165.53	$400.9K	29,483	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-09-04	2018-09-06	7,000	$5.50	$38.5K	31,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-08-02	2018-08-06	7,000	—	$0	43,951	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-08-02	2018-08-06	100	$152.10	$15.2K	24,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-08-02	2018-08-06	1,110	$151.21	$167.8K	25,005	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-08-02	2018-08-06	7,000	$5.50	$38.5K	31,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-08-02	2018-08-06	5,790	$150.18	$869.5K	26,115	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-07-11	2018-07-13	3,000	—	$0	50,951	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-07-11	2018-07-13	3,000	$5.50	$16.5K	27,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-07-11	2018-07-13	3,000	$180.15	$540.5K	24,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-07-02	2018-07-03	10,000	—	$0	53,951	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-07-02	2018-07-03	5,982	$154.07	$921.6K	26,105	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-07-02	2018-07-03	10,000	$5.50	$55.0K	34,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-07-02	2018-07-03	1,200	$154.85	$185.8K	24,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-07-02	2018-07-03	2,818	$153.36	$432.2K	32,087	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-06-04	2018-06-06	13,000	—	$0	14,000	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-06-04	2018-06-06	2,800	$186.81	$523.1K	29,405	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-06-04	2018-06-06	13,000	$24.47	$318.1K	37,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-06-04	2018-06-06	5,700	$186.23	$1.06M	32,205	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-06-04	2018-06-06	600	$188.44	$113.1K	28,805	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-06-04	2018-06-06	1,300	$190.06	$247.1K	27,505	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-06-04	2018-06-06	1,600	$190.96	$305.5K	25,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-06-04	2018-06-06	1,000	$191.73	$191.7K	24,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-05-02	2018-05-04	13,000	—	$0	27,000	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-05-02	2018-05-04	1,000	$174.41	$174.4K	35,805	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-05-02	2018-05-04	1,100	$173.25	$190.6K	36,805	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-05-02	2018-05-04	13,000	$24.47	$318.1K	37,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-05-02	2018-05-04	3,000	$180.04	$540.1K	24,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-05-02	2018-05-04	698	$179.56	$125.3K	27,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-05-02	2018-05-04	1,200	$179.00	$214.8K	28,603	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-05-02	2018-05-04	3,299	$177.90	$586.9K	29,803	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-05-02	2018-05-04	1,000	$176.55	$176.6K	33,102	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-05-02	2018-05-04	1,703	$175.61	$299.1K	34,102	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-04-12	2018-04-16	3,000	—	$0	40,000	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-04-12	2018-04-16	3,000	$180.17	$540.5K	24,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-04-12	2018-04-16	3,000	$24.47	$73.4K	27,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-04-02	2018-04-04	22,000	—	$0	43,000	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-04-02	2018-04-04	955	$162.77	$155.4K	45,950	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-04-02	2018-04-04	22,000	$24.47	$538.3K	46,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-04-02	2018-04-04	2,900	$163.86	$475.2K	43,050	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-04-02	2018-04-04	2,375	$164.66	$391.1K	40,675	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-04-02	2018-04-04	1,600	$171.33	$274.1K	24,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-04-02	2018-04-04	3,552	$170.55	$605.8K	26,505	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-04-02	2018-04-04	3,800	$169.36	$643.6K	30,057	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-04-02	2018-04-04	1,900	$168.09	$319.4K	33,857	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-04-02	2018-04-04	3,400	$167.21	$568.5K	35,757	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-04-02	2018-04-04	1,518	$166.18	$252.3K	39,157	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-03-02	2018-03-06	4,000	—	$0	63,951	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-03-02	2018-03-06	2,000	$200.60	$401.2K	26,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-03-02	2018-03-06	4,000	$5.50	$22.0K	28,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-03-02	2018-03-06	300	$202.32	$60.7K	24,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-03-02	2018-03-06	1,700	$201.68	$342.9K	25,205	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-02-02	2018-02-05	4,000	—	$0	67,951	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-02-02	2018-02-05	1,400	$203.20	$284.5K	24,905	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-02-02	2018-02-05	2,600	$201.91	$525.0K	26,305	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-02-02	2018-02-05	4,000	$5.50	$22.0K	28,905	SEC↗
BLUE bluebird bio, Inc.	A Award deriv	2018-02-01	2018-02-05	45,000	—	$0	45,000	SEC↗
BLUE bluebird bio, Inc.	A Award	2018-02-01	2018-02-05	11,250	—	$0	24,905	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-01-08	2018-01-09	1,200	—	$0	71,951	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-01-08	2018-01-09	200	$171.42	$34.3K	14,655	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-01-08	2018-01-09	1,200	$5.50	$6.6K	14,855	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-01-08	2018-01-09	1,000	$174.60	$174.6K	13,655	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-01-05	2018-01-09	2,018	$173.26	$349.6K	13,959	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-01-05	2018-01-09	304	$174.17	$52.9K	13,655	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2018-01-03	2018-01-05	6,000	—	$0	73,151	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-01-03	2018-01-05	2,500	$179.58	$449.0K	19,477	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2018-01-03	2018-01-05	6,000	$5.50	$33.0K	21,977	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-01-03	2018-01-05	2,468	$180.36	$445.1K	17,009	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-01-03	2018-01-05	757	$181.70	$137.5K	16,252	SEC↗
BLUE bluebird bio, Inc.	S Sale	2018-01-03	2018-01-05	275	$182.36	$50.1K	15,977	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2017-12-01	2017-12-05	4,000	—	$0	79,151	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-12-01	2017-12-05	1,865	$171.72	$320.3K	18,112	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2017-12-01	2017-12-05	4,000	$5.50	$22.0K	19,977	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-12-01	2017-12-05	1,335	$172.77	$230.6K	16,777	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-12-01	2017-12-05	800	$173.48	$138.8K	15,977	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2017-11-01	2017-11-03	4,000	—	$0	83,151	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-11-01	2017-11-03	1,100	$146.14	$160.8K	15,977	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-11-01	2017-11-03	1,272	$145.39	$184.9K	17,077	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-11-01	2017-11-03	1,628	$144.44	$235.1K	18,349	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2017-11-01	2017-11-03	4,000	$5.50	$22.0K	19,977	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2017-10-02	2017-10-04	4,000	—	$0	87,151	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-10-02	2017-10-04	200	$132.20	$26.4K	15,977	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2017-10-02	2017-10-04	4,000	$5.50	$22.0K	19,977	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-10-02	2017-10-04	1,341	$130.37	$174.8K	18,636	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-10-02	2017-10-04	2,459	$131.75	$324.0K	16,177	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2017-09-01	2017-09-06	12,000	—	$0	91,151	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-09-01	2017-09-06	2,300	$126.16	$290.2K	25,677	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-09-01	2017-09-06	700	$126.60	$88.6K	24,977	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-09-01	2017-09-06	9,000	$130.01	$1.17M	15,977	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2017-09-01	2017-09-06	12,000	$5.50	$66.0K	27,977	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2017-08-01	2017-08-03	3,000	—	$0	1,239	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-08-01	2017-08-03	1,800	$91.84	$165.3K	17,177	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2017-08-01	2017-08-03	3,000	$2.09	$6.3K	18,977	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-08-01	2017-08-03	1,100	$93.03	$102.3K	16,077	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-08-01	2017-08-03	100	$94.51	$9.5K	15,977	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-07-07	2017-07-11	100	$101.10	$10.1K	15,977	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-07-07	2017-07-11	1,100	$100.43	$110.5K	16,077	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2017-07-05	2017-07-07	5,000	—	$0	4,239	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2017-07-05	2017-07-07	5,000	$2.09	$10.4K	22,177	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-07-05	2017-07-07	100	$106.05	$10.6K	17,177	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-07-05	2017-07-07	4,900	$105.26	$515.8K	17,277	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2017-06-05	2017-06-07	1,000	—	$0	9,239	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2017-06-05	2017-06-07	1,000	$2.09	$2.1K	18,177	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-06-05	2017-06-07	1,000	$90.00	$90.0K	17,177	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2017-06-01	2017-06-05	2,000	—	$0	10,239	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-06-01	2017-06-05	2,000	$75.42	$150.8K	17,177	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2017-06-01	2017-06-05	2,000	$2.09	$4.2K	19,177	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2017-05-01	2017-05-03	3,000	—	$0	12,239	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-05-01	2017-05-03	1,010	$87.58	$88.5K	19,167	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-05-01	2017-05-03	990	$88.61	$87.7K	18,177	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-05-01	2017-05-03	1,000	$90.03	$90.0K	17,177	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2017-05-01	2017-05-03	3,000	$2.09	$6.3K	20,177	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2017-04-03	2017-04-05	3,000	—	$0	15,239	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-04-03	2017-04-05	100	$91.55	$9.2K	17,177	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2017-04-03	2017-04-05	3,000	$2.09	$6.3K	20,177	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-04-03	2017-04-05	2,900	$90.87	$263.5K	17,277	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2017-03-01	2017-03-03	5,000	—	$0	18,239	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-03-01	2017-03-03	2,000	$89.35	$178.7K	20,177	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2017-03-01	2017-03-03	5,000	$2.09	$10.4K	22,177	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-03-01	2017-03-03	3,000	$90.32	$271.0K	17,177	SEC↗
BLUE bluebird bio, Inc.	A Award deriv	2017-02-01	2017-02-03	34,100	—	$0	34,100	SEC↗
BLUE bluebird bio, Inc.	D To issuer deriv	2017-02-01	2017-02-03	2,000	—	$0	23,239	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2017-02-01	2017-02-03	2,000	$2.09	$4.2K	19,177	SEC↗
BLUE bluebird bio, Inc.	A Award	2017-02-01	2017-02-03	8,500	—	$0	17,177	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-02-01	2017-02-03	1,130	$74.51	$84.2K	17,177	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-02-01	2017-02-03	870	$73.55	$64.0K	18,307	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2017-01-27	2017-01-31	6,000	—	$0	25,239	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2017-01-27	2017-01-31	6,000	$2.09	$12.5K	14,677	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-01-27	2017-01-31	1,132	$68.58	$77.6K	13,545	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-01-27	2017-01-31	4,868	$69.13	$336.5K	8,677	SEC↗
BLUE bluebird bio, Inc.	S Sale	2017-01-05	2017-01-09	923	$67.10	$61.9K	8,677	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2016-07-15	2016-07-19	1,000	—	$0	31,239	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2016-07-15	2016-07-19	1,000	$2.09	$2.1K	10,600	SEC↗
BLUE bluebird bio, Inc.	S Sale	2016-07-15	2016-07-19	1,000	$45.08	$45.1K	9,600	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2016-06-15	2016-06-16	1,000	—	$0	32,239	SEC↗
BLUE bluebird bio, Inc.	S Sale	2016-06-15	2016-06-16	1,000	$40.11	$40.1K	9,600	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2016-06-15	2016-06-16	1,000	$2.09	$2.1K	10,600	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2016-05-16	2016-05-18	1,000	—	$0	33,239	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2016-05-16	2016-05-18	1,000	$2.09	$2.1K	10,600	SEC↗
BLUE bluebird bio, Inc.	S Sale	2016-05-16	2016-05-18	1,000	$38.73	$38.7K	9,600	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2016-04-15	2016-04-19	1,000	—	$0	34,239	SEC↗
BLUE bluebird bio, Inc.	S Sale	2016-04-15	2016-04-19	1,000	$49.63	$49.6K	9,600	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2016-04-15	2016-04-19	1,000	$2.09	$2.1K	10,600	SEC↗
BLUE bluebird bio, Inc.	S Sale	2016-03-15	2016-03-17	200	$46.77	$9.4K	9,600	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2016-03-15	2016-03-17	1,000	$2.09	$2.1K	10,600	SEC↗
BLUE bluebird bio, Inc.	S Sale	2016-03-15	2016-03-17	800	$45.96	$36.8K	9,800	SEC↗
BLUE bluebird bio, Inc.	A Award deriv	2016-03-01	2016-03-03	38,400	—	$0	38,400	SEC↗
BLUE bluebird bio, Inc.	A Award	2016-03-01	2016-03-03	9,600	—	$0	9,600	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2016-02-16	2016-02-18	1,000	—	$0	36,239	SEC↗
BLUE bluebird bio, Inc.	S Sale	2016-02-16	2016-02-18	1,000	$45.18	$45.2K	0	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2016-02-16	2016-02-18	1,000	$2.09	$2.1K	1,000	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2016-01-15	2016-01-20	1,000	—	$0	37,239	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2016-01-15	2016-01-20	1,000	$2.09	$2.1K	1,000	SEC↗
BLUE bluebird bio, Inc.	S Sale	2016-01-15	2016-01-20	1,000	$44.39	$44.4K	0	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2015-12-15	2015-12-17	1,000	—	$0	38,239	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-12-15	2015-12-17	1,000	$58.55	$58.5K	0	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2015-12-15	2015-12-17	1,000	$2.09	$2.1K	1,000	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2015-11-16	2015-11-18	2,000	—	$0	39,239	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2015-11-16	2015-11-18	2,000	$2.09	$4.2K	2,000	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-11-16	2015-11-18	1,270	$70.60	$89.7K	730	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-11-16	2015-11-18	730	$71.69	$52.3K	0	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2015-10-15	2015-10-19	2,000	—	$0	41,239	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-10-15	2015-10-19	575	$78.99	$45.4K	1,425	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2015-10-15	2015-10-19	2,000	$2.09	$4.2K	2,000	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-10-15	2015-10-19	96	$80.89	$7.8K	0	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-10-15	2015-10-19	1,329	$79.92	$106.2K	96	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2015-09-15	2015-09-17	2,000	—	$0	43,239	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2015-09-15	2015-09-17	2,000	$2.09	$4.2K	2,000	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-09-15	2015-09-17	1,279	$129.36	$165.5K	721	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-09-15	2015-09-17	270	$130.11	$35.1K	451	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-09-15	2015-09-17	178	$132.18	$23.5K	0	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-09-15	2015-09-17	273	$131.35	$35.9K	178	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2015-08-17	2015-08-19	2,000	—	$0	45,239	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-08-17	2015-08-19	180	$126.76	$22.8K	0	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-08-17	2015-08-19	559	$125.83	$70.3K	180	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2015-08-17	2015-08-19	2,000	$2.09	$4.2K	2,000	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-08-17	2015-08-19	1,261	$124.90	$157.5K	739	SEC↗
BLUE bluebird bio, Inc.	M Exercise deriv	2015-07-15	2015-07-17	2,000	—	$0	47,239	SEC↗
BLUE bluebird bio, Inc.	M Exercise	2015-07-15	2015-07-17	2,000	$2.09	$4.2K	2,000	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-07-15	2015-07-17	1,425	$165.55	$235.9K	575	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-07-15	2015-07-17	225	$166.39	$37.4K	350	SEC↗
BLUE bluebird bio, Inc.	S Sale	2015-07-15	2015-07-17	350	$167.38	$58.6K	0	SEC↗