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Filing Details

Accession Number:: 0001209191-18-028566
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2018-05-08 16:18:26
Reporting Period:: 2018-05-04

Accepted Time:: 2018-05-08 16:18:26
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
1350360	Jason Cole	C/O Bluebird Bio, Inc. 60 Binney Street Cambridge MA 02142	Chief Legal 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	Disposition	2018-05-04	100	$167.85	25,948	No	4	S	Direct
Common Stock	Disposition	2018-05-04	400	$169.19	25,548	No	4	S	Direct
Common Stock	Disposition	2018-05-04	900	$170.48	24,648	No	4	S	Direct
Common Stock	Disposition	2018-05-04	1,890	$171.25	22,758	No	4	S	Direct
Common Stock	Disposition	2018-05-04	460	$172.39	22,298	No	4	S	Direct

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

Footnotes

The sales reported in the Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2017.
The range in prices for the transaction reported on this line was $167.70 to $167.90. The average weighted price was $167.848. 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 $168.90 to $169.85. The average weighted price was $169.1875. 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 $169.90 to $170.85. The average weighted price was $170.4833. 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 $171.00 to $171.55. The average weighted price was $171.2450. 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 $172.25 to $172.50. The average weighted price was $172.3935. 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.