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Atara Biotherapeutics, Inc.·4

Sep 24, 5:35 PM ET

Newell Joe 4

4 · Atara Biotherapeutics, Inc. · Filed Sep 24, 2021

Insider Transaction Report

Form 4
Period: 2021-09-22
Atara Biotherapeutics, Inc.ATRA
Newell Joe
Chief Operations Officer
Transactions
  • Exercise/Conversion

    Common Stock

    [F1]
    2021-09-22$12.15/sh+10,500$127,575→ 130,429 total
  • Sale

    Common Stock

    [F1]
    2021-09-22$17.00/sh−10,500$178,500→ 119,929 total
  • Exercise/Conversion

    Employee Stock Option (Right to Buy)

    [F1][F2]
    2021-09-22$17.00/sh−8,375$142,375→ 34,875 total
    Exercise: $12.15Exp: 2030-02-28→ Common Stock (8,375 underlying)
  • Exercise/Conversion

    Employee Stock Option (Right to Buy)

    [F1][F2]
    2021-09-22$17.00/sh−2,125$36,125→ 10,625 total
    Exercise: $12.15Exp: 2030-02-28→ Common Stock (2,125 underlying)
Footnotes (2)
  • [F1]Transaction pursuant to Rule 10b5-1 Plan adopted September 14, 2020.
  • [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.
Signature
/s/ David Tucker, Attorney-in-Fact for Joe Newell|2021-09-24

Documents

1 file
  • 4
    doc1.xmlPrimary

    FORM 4