Form4insider filings, from the source

SEC Form 4 · accession 0001209191-18-030726

Atara Biotherapeutics, Inc. · ATRA

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

Reporting owner
Period of report
May 14, 2018
Accepted (ET)
May 16, 2018 · 8:40 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 StockF1May 14, 2018S12,286$43.57D19,820D
Common StockF2May 15, 2018M534$0.00A20,354D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock UnitsF3,F4,F5—May 15, 2018M534D——Common Stock5340D

Explanation of responses