Form4insider filings, from the source

SEC Form 4 · accession 0001209191-17-061608

Atara Biotherapeutics, Inc. · ATRA

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

Reporting owner
Christopher Haqq
Officer — EVP, R&D & Chief Scientific Of
Period of report
Nov 15, 2017
Accepted (ET)
Nov 17, 2017 · 6:27 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001604464

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1Nov 15, 2017M829$0.00A344,134D
Common StockF3Nov 15, 2017S1,604$13.36D342,530D
Common StockF4holding———17,312ISee footnote
Common StockF5holding———2,688ISee footnote

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock UnitsF6,F7,F8—Nov 15, 2017M829D——Common Stock829553D

Explanation of responses