Form 4: Atara Biotherapeutics Chief Accounting Officer Sells Shares to Cover Tax Obligations

Yanina Grant-Huerta, Chief Accounting Officer of Atara Biotherapeutics, sold shares to cover tax withholding obligations related to vesting restricted stock units.

Summary

• On May 16, 2025, Yanina Grant-Huerta, the Chief Accounting Officer of Atara Biotherapeutics, sold 2,218 shares of common stock.
• The shares were sold at a price of $6.763 per share.
• The sale was executed to satisfy tax withholding obligations related to the vesting of previously granted restricted stock units.
• Following the transaction, Grant-Huerta directly owns 37,067 shares of Atara Biotherapeutics common stock.

Sentiment

Score: 5

Explanation: The document reflects a routine transaction (sale of shares for tax obligations) by a company executive, indicating a neutral sentiment.

Industry Context

Sales of shares to cover tax obligations upon vesting of restricted stock units are a common practice among corporate executives and do not necessarily indicate a negative outlook on the company's future performance.

Stakeholder Impact

• The sale of shares by an executive could have a minor impact on shareholder sentiment, but is unlikely to significantly affect the company's overall valuation.

Key Dates

Keywords

Atara Biotherapeutics, ATRA, Form 4, Insider Trading, Stock Sale, Yanina Grant-Huerta, Chief Accounting Officer, Restricted Stock Units, Tax Withholding