InsiderTrades

Form 4 for ATRA Atara Biotherapeutics, Inc.

Accepted 2023-08-18 00:00:00 ET · period of report 2023-08-16 · accession 0001140361-23-040561 · 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
M 2023-08-18 2023-08-16 ATRA Nguyen AnhCo EVP, Chief Sci, Tech Off S - Sale $1.65 -15.1K 295.3K -5% -$25.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2023-08-16 S D 9,277 $1.65 285,999 D — — (F2) The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on August 16, 2023 and August 17, 2023 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employee.
2 Common Common Stock 2023-08-16 S D 5,849 $1.65 295,276 D — — (F2) The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on August 16, 2023 and August 17, 2023 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employee.