David Davidson Insider Trading $BLUE bluebird bio, Inc.

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of David Davidson. David Davidson is Chief Medical Officer in bluebird bio, Inc. ($BLUE).

David Davidson in bluebird bio, Inc.

Trading Symbol: BLUE
Industry: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
Position of David Davidson: Chief Medical Officer
Holdings: 47,787 shares
Current Value: $3,521,902
Latest Transaction: Apr 07 2021
$BLUE Market Capitalization: $2.75B
$BLUE Previous Close: $73.70

Last 4 weeks trend: HOLD
Last 3 months trend: HOLD

Latest Insider Trading Transactions of David Davidson in bluebird bio, Inc.

	1 Week	2 Weeks	1 Month	3 Months	6 Months	1 Year	2 Years
No. of Purchases	0	0	0	0	0	0	0
Value of Purchases ($)	0	0	0	0	0	0	0
No. of Sales	0	0	0	0	0	0	0
Value of Sales ($)	0	0	0	0	0	0	0

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Apr 07 2021	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	30.21	42	1,269	47,787	47.8 K to 47.8 K (-0.09 %)
Apr 07 2021	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	30.21	42	1,269	47,787	47.8 K to 47.8 K (-0.09 %)
Mar 04 2021	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	29.58	42	1,242	47,829	47.9 K to 47.8 K (-0.09 %)
Mar 04 2021	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	29.58	42	1,242	47,829	47.9 K to 47.8 K (-0.09 %)
Feb 18 2021	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	A	28.44	20,000	568,800	20,000
Feb 18 2021	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	28.16	698	19,657	47,871	48.6 K to 47.9 K (-1.44 %)
Feb 18 2021	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Grant	A	0.00	2,271	0	48,569	46.3 K to 48.6 K (+4.91 %)
Feb 18 2021	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Grant	A	0.00	10,000	0	46,298	36.3 K to 46.3 K (+27.55 %)
Feb 04 2021	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	45.93	63	2,893	36,298	36.4 K to 36.3 K (-0.17 %)
Jan 08 2021	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	45.46	1,324	60,194	36,361	37.7 K to 36.4 K (-3.51 %)
Jan 08 2021	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	44.76	1,843	82,490	37,685	39.5 K to 37.7 K (-4.66 %)
Jan 08 2021	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	44.95	48	2,158	39,528	39.6 K to 39.5 K (-0.12 %)
Dec 04 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	46.50	2	93	39,576	39.6 K to 39.6 K (-0.01 %)
Dec 04 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	46.50	2	93	39,576	39.6 K to 39.6 K (-0.01 %)
Dec 04 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	46.19	62	2,864	39,578	39.6 K to 39.6 K (-0.16 %)
Dec 04 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	46.19	62	2,864	39,578	39.6 K to 39.6 K (-0.16 %)
Oct 06 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	52.77	64	3,377	39,703	39.8 K to 39.7 K (-0.16 %)
Sep 08 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	58.60	41	2,403	39,767	39.8 K to 39.8 K (-0.10 %)
Aug 05 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	61.98	11	682	39,808	39.8 K to 39.8 K (-0.03 %)
Aug 05 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	60.32	31	1,870	39,819	39.9 K to 39.8 K (-0.08 %)
Jul 07 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	61.57	42	2,586	39,850	39.9 K to 39.9 K (-0.11 %)
Jun 04 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	64.24	32	2,056	39,892	39.9 K to 39.9 K (-0.08 %)
Jun 04 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	63.36	10	634	39,924	39.9 K to 39.9 K (-0.03 %)
May 05 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Grant	A	0.00	1,615	0	39,934	38.3 K to 39.9 K (+4.21 %)
Mar 04 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	A	73.84	20,000	1,476,800	20,000
Mar 04 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Grant	A	0.00	10,000	0	38,319	28.3 K to 38.3 K (+35.31 %)
Jan 09 2020	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	89.97	3,297	296,635	28,319	31.6 K to 28.3 K (-10.43 %)
Sep 11 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	50.51	2,060	104,051	9,625
Sep 11 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	50.51	3,000	151,530	11,685
Sep 11 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	100.16	2,060	206,324	31,616	33.7 K to 31.6 K (-6.12 %)
Sep 11 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	50.51	2,060	104,051	33,676	31.6 K to 33.7 K (+6.52 %)
Sep 11 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	100.11	3,000	300,340	31,616	34.6 K to 31.6 K (-8.67 %)
Sep 11 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	50.51	3,000	151,530	34,616	31.6 K to 34.6 K (+9.49 %)
Aug 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	50.51	5,060	255,581	14,685
Aug 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	118.44	400	47,376	31,616	32 K to 31.6 K (-1.25 %)
Aug 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	117.77	900	105,995	32,016	32.9 K to 32 K (-2.73 %)
Aug 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	116.11	800	92,886	32,916	33.7 K to 32.9 K (-2.37 %)
Aug 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	115.25	2,960	341,132	33,716	36.7 K to 33.7 K (-8.07 %)
Aug 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	50.51	5,060	255,581	36,676	31.6 K to 36.7 K (+16.00 %)
Jul 09 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	330	1,815	0
Jul 09 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	50.51	7,330	370,238	19,745
Jul 09 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	131.77	700	92,238	31,616	32.3 K to 31.6 K (-2.17 %)
Jul 09 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	130.05	3,300	429,153	32,316	35.6 K to 32.3 K (-9.27 %)
Jul 09 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	129.32	832	107,592	35,616	36.4 K to 35.6 K (-2.28 %)
Jul 09 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	128.28	2,828	362,765	36,448	39.3 K to 36.4 K (-7.20 %)
Jul 09 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	330	1,815	39,276	38.9 K to 39.3 K (+0.85 %)
Jul 09 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	50.51	7,330	370,238	38,946	31.6 K to 38.9 K (+23.18 %)
Jun 10 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	50.51	5,060	255,581	27,075
Jun 10 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	124.23	1,500	186,344	31,616	33.1 K to 31.6 K (-4.53 %)
Jun 10 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	122.43	1,344	164,550	33,116	34.5 K to 33.1 K (-3.90 %)
Jun 10 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	121.68	2,216	269,644	34,460	36.7 K to 34.5 K (-6.04 %)
Jun 10 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	50.51	5,060	255,581	36,676	31.6 K to 36.7 K (+16.00 %)
May 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	6,360	34,983	330
May 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	140.02	1,060	148,417	31,616	32.7 K to 31.6 K (-3.24 %)
May 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	6,360	34,983	330
May 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	139.24	2,600	362,034	32,676	35.3 K to 32.7 K (-7.37 %)
May 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	140.02	1,060	148,417	31,616	32.7 K to 31.6 K (-3.24 %)
May 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	138.25	2,700	373,267	35,276	38 K to 35.3 K (-7.11 %)
May 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	139.24	2,600	362,034	32,676	35.3 K to 32.7 K (-7.37 %)
May 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	6,360	34,983	37,976	31.6 K to 38 K (+20.12 %)
May 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	138.25	2,700	373,267	35,276	38 K to 35.3 K (-7.11 %)
May 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	6,360	34,983	37,976	31.6 K to 38 K (+20.12 %)
Apr 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	6,360	34,983	6,690
Apr 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	161.14	1,033	166,462	31,616	32.6 K to 31.6 K (-3.16 %)
Apr 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	160.22	2,704	433,227	32,649	35.4 K to 32.6 K (-7.65 %)
Apr 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	159.47	2,623	418,287	35,353	38 K to 35.4 K (-6.91 %)
Apr 08 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	6,360	34,983	37,976	31.6 K to 38 K (+20.12 %)
Mar 15 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	3,101	17,057	13,050
Mar 15 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	146.95	1,401	205,874	31,616	33 K to 31.6 K (-4.24 %)
Mar 15 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	145.96	1,700	248,131	33,017	34.7 K to 33 K (-4.90 %)
Mar 15 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	3,101	17,057	34,717	31.6 K to 34.7 K (+9.81 %)
Mar 06 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	50.51	4,910	248,004	32,135
Mar 06 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	157.70	400	63,080	31,616	32 K to 31.6 K (-1.25 %)
Mar 06 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	157.00	338	53,067	32,016	32.4 K to 32 K (-1.04 %)
Mar 06 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	155.85	2,225	346,766	32,354	34.6 K to 32.4 K (-6.43 %)
Mar 06 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	155.07	1,947	301,920	34,579	36.5 K to 34.6 K (-5.33 %)
Mar 06 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	50.51	4,910	248,004	36,526	31.6 K to 36.5 K (+15.53 %)
Feb 05 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	50.51	1,355	68,441	37,045
Feb 05 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	24.47	3,555	86,991	3,610
Feb 05 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	A	134.63	37,500	5,048,625	37,500
Feb 05 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	135.10	1,200	162,123	31,616	32.8 K to 31.6 K (-3.66 %)
Feb 05 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	134.22	3,110	417,415	32,816	35.9 K to 32.8 K (-8.66 %)
Feb 05 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	133.13	600	79,879	35,926	36.5 K to 35.9 K (-1.64 %)
Feb 05 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	50.51	1,355	68,441	36,526	35.2 K to 36.5 K (+3.85 %)
Feb 05 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	24.47	3,555	86,991	35,171	31.6 K to 35.2 K (+11.24 %)
Feb 05 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Grant	A	0.00	9,375	0	31,616	22.2 K to 31.6 K (+42.15 %)
Jan 23 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	24.47	2,035	49,796	7,165
Jan 23 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	130.05	2,035	264,644	22,241	24.3 K to 22.2 K (-8.38 %)
Jan 23 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	24.47	2,035	49,796	24,276	22.2 K to 24.3 K (+9.15 %)
Jan 09 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	114.31	916	104,704	22,241	23.2 K to 22.2 K (-3.96 %)
Jan 09 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	113.29	1,748	198,030	23,157	24.9 K to 23.2 K (-7.02 %)
Jan 04 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	24.47	100	2,447	9,200
Jan 04 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	24.47	4,700	115,009	9,300
Jan 04 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	2,800	15,401	16,151
Jan 04 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	100.32	100	10,032	24,905	25 K to 24.9 K (-0.40 %)
Jan 04 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	24.47	100	2,447	25,005	24.9 K to 25 K (+0.40 %)
Jan 04 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	100.09	4,700	470,414	24,905	29.6 K to 24.9 K (-15.88 %)
Jan 04 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	24.47	4,700	115,009	29,605	24.9 K to 29.6 K (+18.87 %)
Jan 04 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	97.05	1,200	116,454	24,905	26.1 K to 24.9 K (-4.60 %)
Jan 04 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	96.35	1,600	154,159	26,105	27.7 K to 26.1 K (-5.78 %)
Jan 04 2019	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	2,800	15,401	27,705	24.9 K to 27.7 K (+11.24 %)
Dec 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	2,000	11,001	18,951
Dec 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	6,000	33,002	20,951
Dec 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	121.92	1,100	134,108	24,905	26 K to 24.9 K (-4.23 %)
Dec 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	120.00	900	108,000	26,005	26.9 K to 26 K (-3.35 %)
Dec 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	2,000	11,001	26,905	24.9 K to 26.9 K (+8.03 %)
Dec 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	113.59	6,000	681,538	24,905	30.9 K to 24.9 K (-19.41 %)
Dec 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	6,000	33,002	30,905	24.9 K to 30.9 K (+24.09 %)
Nov 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	5,000	27,502	26,951
Nov 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	135.10	1,700	229,662	24,905	26.6 K to 24.9 K (-6.39 %)
Nov 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	134.12	1,702	228,264	26,605	28.3 K to 26.6 K (-6.01 %)
Nov 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	133.08	600	79,850	28,307	28.9 K to 28.3 K (-2.08 %)
Nov 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	131.37	501	65,818	28,907	29.4 K to 28.9 K (-1.70 %)
Nov 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	130.42	405	52,819	29,408	29.8 K to 29.4 K (-1.36 %)
Nov 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	128.30	92	11,804	29,813	29.9 K to 29.8 K (-0.31 %)
Nov 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	5,000	27,502	29,905	24.9 K to 29.9 K (+20.08 %)
Oct 04 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	5,000	27,502	31,951
Oct 04 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	139.95	448	62,699	24,905	25.4 K to 24.9 K (-1.77 %)
Oct 04 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	139.26	4,552	633,889	25,353	29.9 K to 25.4 K (-15.22 %)
Oct 04 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	5,000	27,502	29,905	24.9 K to 29.9 K (+20.08 %)
Sep 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	7,000	38,503	36,951
Sep 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	168.25	1,425	239,751	24,905	26.3 K to 24.9 K (-5.41 %)
Sep 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	167.30	1,070	179,010	26,330	27.4 K to 26.3 K (-3.91 %)
Sep 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	166.50	2,083	346,821	27,400	29.5 K to 27.4 K (-7.07 %)
Sep 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	165.53	2,422	400,911	29,483	31.9 K to 29.5 K (-7.59 %)
Sep 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	7,000	38,503	31,905	24.9 K to 31.9 K (+28.11 %)
Aug 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	7,000	38,503	43,951
Aug 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	152.10	100	15,210	24,905	25 K to 24.9 K (-0.40 %)
Aug 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	151.22	1,110	167,849	25,005	26.1 K to 25 K (-4.25 %)
Aug 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	150.18	5,790	869,527	26,115	31.9 K to 26.1 K (-18.15 %)
Aug 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	7,000	38,503	31,905	24.9 K to 31.9 K (+28.11 %)
Jul 13 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	3,000	16,501	50,951
Jul 13 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	180.15	3,000	540,443	24,905	27.9 K to 24.9 K (-10.75 %)
Jul 13 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	3,000	16,501	27,905	24.9 K to 27.9 K (+12.05 %)
Jul 03 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	5.50	10,000	55,004	53,951
Jul 03 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	154.85	1,200	185,816	24,905	26.1 K to 24.9 K (-4.60 %)
Jul 03 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	154.07	5,982	921,630	26,105	32.1 K to 26.1 K (-18.64 %)
Jul 03 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	153.36	2,818	432,158	32,087	34.9 K to 32.1 K (-8.07 %)
Jul 03 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	5.50	10,000	55,004	34,905	24.9 K to 34.9 K (+40.15 %)
Jun 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	24.47	13,000	318,110	14,000
Jun 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	191.73	1,000	191,725	24,905	25.9 K to 24.9 K (-3.86 %)
Jun 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	190.96	1,600	305,537	25,905	27.5 K to 25.9 K (-5.82 %)
Jun 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	190.06	1,300	247,083	27,505	28.8 K to 27.5 K (-4.51 %)
Jun 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	188.44	600	113,063	28,805	29.4 K to 28.8 K (-2.04 %)
Jun 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	186.81	2,800	523,072	29,405	32.2 K to 29.4 K (-8.69 %)
Jun 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	186.23	5,700	1,061,485	32,205	37.9 K to 32.2 K (-15.04 %)
Jun 06 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Buy	M	24.47	13,000	318,110	37,905	24.9 K to 37.9 K (+52.20 %)
May 04 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Option Exercise	M	24.47	13,000	318,110	27,000
May 04 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	180.04	3,000	540,107	24,905	27.9 K to 24.9 K (-10.75 %)
May 04 2018	BLUE	bluebird bio, Inc.	Davidson David	Chief Medical Offic ...	Sell	S	179.56	698	125,336	27,905	28.6 K to 27.9 K (-2.44 %)

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