InsiderTrades

Form 4 for ATRA Atara Biotherapeutics, Inc.

Accepted 2025-03-05 00:00:00 ET · period of report 2025-03-03 · accession 0000905148-25-000863 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2025-03-05 2025-03-03 ATRA Henrich Jill EVP, Chief Regulatory Off S - Sale $7.00 -1,059 18.7K -5% -$7,413

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-03-03 S D 1,059 $7.00 18,679 D — — (F2) The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on March 3, 2025 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees. (F3) This amount includes 360 shares purchased under the Issuer's Employee Stock Purchase Plan on November 29, 2024.