March 1, 2024 · Form 4 insider transaction
Colvin Richard A sold 6,770 shares of bluebird bio, Inc. at $1.53 per share, a transaction worth $10.3K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 4 days after the transaction.
Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units.; The range in prices for the transaction reported on this line was $1.52 to $1.55. The average weighted price was $1.5276. 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.