InsiderTrades

Form 4 for ATRA Atara Biotherapeutics, Inc.

Accepted 2021-09-24 00:00:00 ET · period of report 2021-09-22 · accession 0001567619-21-017578 · 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 2021-09-24 2021-09-22 ATRA Newell Joe Chief Ops Off S - Sale+OE $17.00 -10.5K 119.9K -8% -$178.5K
D 2021-09-24 2021-09-22 ATRA Newell Joe Chief Ops Off M - OptEx $12.15 +10.5K 130.4K +9% +$127.6K
DM 2021-09-24 2021-09-22 ATRA Newell Joe Chief Ops Off M - OptEx $17.00 -10.5K 10.6K -50% -$178.5K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2021-09-22 S D 10,500 $17.00 119,929 D — —
2 Common Common Stock 2021-09-22 M A 10,500 $12.15 130,429 D — —
3 Derivative Employee Stock Option (Right to Buy) 2021-09-22 M D 8,375 $17.00 34,875 D $12.15 · — to 2030-02-28 8,375 Common Stock (F2) 1/48th of the shares subject to the stock option vest and become exercisable each month with the initial installment vesting on April 1, 2020, subject to the reporting person's continuous service.
4 Derivative Employee Stock Option (Right to Buy) 2021-09-22 M D 2,125 $17.00 10,625 D $12.15 · — to 2030-02-28 2,125 Common Stock (F2) 1/48th of the shares subject to the stock option vest and become exercisable each month with the initial installment vesting on April 1, 2020, subject to the reporting person's continuous service.