Key facts
- This page summarizes Christopher Krawtschuk's Form 4 filing for bluebird bio, Inc. (BLUE).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 08 Dec 2023, 16:42.
Key filing fact
Ownership activity is grounded in SEC Form 4 disclosures.
Shares, units, or other non-derivative securities reported in this filing.
Sale
Additional SEC filing notes
Rule 10b5-1 trading plan
These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.
Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).
Footnote F1
Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units.
Footnote F2
The range in prices for the transaction reported on this line was $4.50 to $4.55. The average weighted price was $4.5155. 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.