InsiderTrades

Form 4 for ATRA Atara Biotherapeutics, Inc.

Accepted 2023-06-02 00:00:00 ET · period of report 2023-05-31 · accession 0001140361-23-028161 · 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
D 2023-06-02 2023-05-31 ATRA SEIDENBERG BETH C Dir A - Grant $0.00 +57.0K 115.7K +97% $0
D 2023-06-02 2023-05-31 ATRA SEIDENBERG BETH C Dir A - Grant $0.00 +79.5K 79.5K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2023-05-31 A A 57,000 $0.00 115,689 D — — (F1) These restricted stock units shall vest on the earlier of May 31, 2024 or the date of the next annual meeting of stockholders, subject to the Reporting Person's continuous service.
2 Derivative Non-Qualified Stock Option (Right to Buy) 2023-05-31 A A 79,500 $0.00 79,500 D $1.53 · — to 2033-05-30 79,500 Common Stock (F2) The option shall vest on the earlier of May 31, 2024 or the date of the next annual meeting of stockholders, subject to the Reporting Person's continuous service.