Sec Form 4 Filing - Sullivan Eric @ bluebird bio, Inc. - 2017-08-03

Insider filing report for Changes in Beneficial Ownership
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FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
Sullivan Eric
2. Issuer Name and Ticker or Trading Symbol
bluebird bio, Inc. [ BLUE]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
X __ Officer (give title below) _____ Other (specify below)
Principal Accounting Officer
(Last) (First) (Middle)
C/O BLUEBIRD BIO, INC., 60 BINNEY STREET
3. Date of Earliest Transaction (MM/DD/YY)
08/03/2017
(Street)
CAMBRIDGE, MA02142
4. If Amendment, Date Original Filed (MM/DD/YY)
6. Individual or Joint/Group Filing (Check Applicable Line)
__ X __ Form filed by One Reporting Person
_____ Form filed by More than One Reporting Person
(City) (State) (Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/03/2017 M 250 A $ 20.7 5,924 D
Common Stock 08/03/2017 M 166 A $ 24.47 6,090 D
Common Stock 08/03/2017 S 416 D $ 92.35 5,674 D
Common Stock 08/04/2017 M 201 A $ 50.51 5,875 D
Common Stock 08/04/2017 M 244 A $ 56.3 6,119 D
Common Stock 08/04/2017 S 445 D $ 95.2128 ( 1 ) 5,674 D
Common Stock 300 I By spouse ( 2 )
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(MM/DD/YY)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Options (right to buy) $ 20.7 08/03/2017 M 250 ( 3 ) 12/02/2023 Common Stock 250 $ 0 750 D
Stock Option (right to buy) $ 24.47 08/03/2017 M 166 ( 4 ) 03/03/2024 Common Stock 166 $ 0 854 D
Stock Option (right to buy) $ 50.51 08/04/2017 M 201 ( 5 ) 03/01/2026 Common Stock 201 $ 0 5,868 D
Stock Option (right to buy) $ 56.3 08/04/2017 M 244 ( 6 ) 08/01/2026 Common Stock 244 $ 0 8,558 D
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Sullivan Eric
C/O BLUEBIRD BIO, INC.
60 BINNEY STREET
CAMBRIDGE, MA02142
Principal Accounting Officer
Signatures
/s/ Jason F. Cole, Attorney-in-Fact 08/07/2017
Signature of Reporting Person Date
Explanation of Responses:
( 1 )The range in prices for the transaction reported on this line was $95.10 to $95.30. The average weighted price was $95.2128. 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.
( 2 )Equity grants held by the reporting person's spouse, who is employed by the issuer
( 3 )This option vests over a four-year period, at a rate of twenty-five percent (25%) on November 11, 2014 and in 36 equal monthly installments thereafter.
( 4 )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.
( 5 )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.
( 6 )This option vests over a four-year period, at a rate of twenty-five percent (25%) on July 4, 2017 and in 36 equal monthly installments thereafter.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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