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Filing Details

Accession Number:: 0001209191-19-007468
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2019-02-05 17:58:07
Reporting Period:: 2019-02-01

Accepted Time:: 2019-02-05 17:58:07
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1293971	Bluebird Bio Inc.	BLUE	Biological Products, (No Disgnostic Substances) (2836)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1578696	David Davidson	C/O Bluebird Bio, Inc. 60 Binney Street Cambridge MA 02142	Chief Medical Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2019-02-01	9,375	$0.00	31,616	No	4	A	Direct
Common Stock	Acquisiton	2019-02-04	3,555	$24.47	35,171	No	4	M	Direct
Common Stock	Acquisiton	2019-02-04	1,355	$50.51	36,526	No	4	M	Direct
Common Stock	Disposition	2019-02-04	600	$133.13	35,926	No	4	S	Direct
Common Stock	Disposition	2019-02-04	3,110	$134.22	32,816	No	4	S	Direct
Common Stock	Disposition	2019-02-04	1,200	$135.10	31,616	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	A	Direct
No	4	M	Direct
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (right to buy)	Acquisiton	2019-02-01	37,500	$0.00	37,500	$134.63
Common Stock	Stock Option (right to buy)	Disposition	2019-02-04	3,555	$0.00	3,555	$24.47
Common Stock	Stock Option (right to buy)	Disposition	2019-02-04	1,355	$0.00	1,355	$50.51

Remaning Holdings	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
37,500	2029-02-01	No	4	A	Direct
3,610	2024-03-03	No	4	M	Direct
37,045	2026-03-01	No	4	M	Direct

Footnotes

Restricted stock units for common stock vest over a four-year period at a rate of 25% on 01/04/2020, 25% on 01/04/2021, 25% on 01/04/2022, and 25% on 01/04/2023.
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on July 9, 2018.
The range in prices for the transaction reported on this line was $132.62 to $133.29. The average weighted price was $133.1311. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.
The range in prices for the transaction reported on this line was $133.74 to $134.66. The average weighted price was $134.2170. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.
The range in prices for the transaction reported on this line was $134.91 to $135.42. The average weighted price was $135.1025. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.
This option vests over a four-year period, at a rate of twenty-five percent (25%) on January 4, 2020 and in 36 equal monthly installments thereafter.
This option vests over a four-year period, at a rate of twenty-five percent (25%) on January 1, 2015 and in 36 equal monthly installments thereafter.
This option vests over a four-year period, at a rate of twenty-five percent (25%) on January 4, 2017 and in 36 equal monthly installments thereafter.