Form4insider filings, from the source

SEC Form 4 · accession 0001209191-16-137673

Atara Biotherapeutics, Inc. · ATRA

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Period of report
Aug 15, 2016
Accepted (ET)
Aug 17, 2016 · 7:45 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001604464

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1Aug 15, 2016M1,548$0.00A97,010D
Common StockF1Aug 15, 2016M818$0.00A97,828D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock UnitsF2,F3,F4—Aug 15, 2016M1,548D——Common Stock1,5489,291D
Restricted Stock UnitsF2,F5,F6—Aug 15, 2016M818D——Common Stock8185,448D

Explanation of responses