InsiderTrades

Form 4 for ATRA Atara Biotherapeutics, Inc.

Accepted 2023-03-03 00:00:00 ET · period of report 2023-03-01 · accession 0001140361-23-010100 · 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 2023-03-03 2023-03-01 ATRA Dupont Jakob EVP, Head of R, D A - Grant $0.00 +141.3K 295.9K +91% $0
D 2023-03-03 2023-03-01 ATRA Dupont Jakob EVP, Head of R, D A - Grant $0.00 +318.0K 318.0K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2023-03-01 A A 141,328 $0.00 295,868 D — — (F1) These restricted stock units vest in 12 equal quarterly installments on each Company Quarterly Vesting Date (as defined below), with the initial installment vesting on May 15, 2023, subject to the reporting person's continuous service. "Company Quarterly Vesting Date" means March 1, May 15, August 15 and November 15 of each year.
2 Derivative Employee Stock Option (Right to Buy) 2023-03-01 A A 317,987 $0.00 317,987 D $3.91 · — to 2033-02-28 317,987 Common Stock (F2) 1/36th of the shares subject to the stock option vest and become exercisable each month, with the initial installment vesting on April 1, 2023, subject to the reporting person's continuous service.