Form 4: Bluebird Bio Officer Sells Shares to Cover Tax Obligations

Thomas J. Klima, Chief Commercial & Operating Officer of bluebird bio, Inc., sold 3,834 shares of common stock on June 3, 2024, to cover tax withholding obligations.

Summary

• On June 3, 2024, Thomas J. Klima, Chief Commercial & Operating Officer of bluebird bio, Inc., sold 3,834 shares of common stock.
• The sale was executed to cover tax withholding obligations related to the vesting of Restricted Stock Units.
• The shares were sold at an average weighted price of $0.9719, with individual prices ranging from $0.9701 to $0.9848.
• Following the transaction, Klima directly owns 121,006 shares of bluebird bio, Inc.
• The transaction was reported on Form 4, filed with the SEC on June 4, 2024.

Sentiment

Score: 5

Explanation: The document reports a routine transaction. It is neither particularly positive nor negative.

Industry Context

This is a routine transaction related to executive compensation and tax obligations. It is common for officers to sell shares to cover taxes when restricted stock units vest.

Stakeholder Impact

• The sale of shares by an officer could have a minor negative impact on shareholder sentiment, but is unlikely to be significant given the reason for the sale.

Key Dates