Form Type: 4

SEC EDGAR Link
Accession Number:0001562180-21-005174
Date:2021-08-02
Issuer: BLUEBIRD BIO, INC. (BLUE)
Original Submission Date:

Reporting Person:

BAIRD WILLIAM D III
C/O BLUEBIRD BIO, INC.
60 BINNEY STREET CAMBRIDGE, MA 02142

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
COMMON STOCK 2021-08-02 A 33,585 a $0.00 69,114 direct
COMMON STOCK 2021-08-02 A 33,584 a $0.00 102,698 direct
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
Footnotes
IDfootnote
f1 restricted stock unit awards vest over a two-year period at the rate of 40% on august 2, 2022 and 60% on august 2, 2023.
f2 restricted stock unit awards shall vest upon the satisfaction of certain performance criteria.
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