This table provides information on the latest institutional transactions involving Atara Biotherapeutics, Inc. (ATRA) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.

Report Date Institution (Fund) Operation Option Shares change Value Range Shares Held Trade History
Q4 2021
Q3 2021
Q2 2021
Q1 2021

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