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CIK 0001604464 · Non-accelerated filer<br>Smaller reporting company

Atara Biotherapeutics, Inc.

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Ticker
ATRA
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
460920988
Phone
805-623-4211
Business address
1280 RANCHO CONEJO BLVD, THOUSAND OAKS, CA, 91320
Open-market buys, last 90 days
$999,994
in 1 filing
Open-market sales, last 90 days
$40,883
in 1 filing

Net +$959,111. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Cherry Brian N +$1000K Director 1 filing
  2. Nguyen AnhCo −$41K President and CEO sold 4% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2019-02-09 Ciechanover Isaac E. Chief Executive Officer Shares withheld for taxes −20,324 $38.49 $782K 334,618
2019-02-06 Ciechanover Isaac E. Chief Executive Officer Shares withheld for taxes −24,683 $38.47 $950K 375,611
2019-02-06 Koppikar Utpal Chief Financial Officer Grant or award +17,063 64,063
2019-02-06 Koppikar Utpal Chief Financial Officer Grant or award · Employee Stock Option (Right to Buy) +34,125 34,125
2019-02-06 Haqq Christopher EVP, R&D & Chief Scientific Of Sale −2,677 $38.04 $102K 282,903
2019-02-06 Haqq Christopher EVP, R&D & Chief Scientific Of Sale −9,698 $38.78 $376K 273,205
2019-02-06 Haqq Christopher EVP, R&D & Chief Scientific Of Shares withheld for taxes −1,512 $38.47 $58K 271,693
2019-02-06 Haqq Christopher EVP, R&D & Chief Scientific Of Grant or award +15,000 286,693
2019-02-06 Haqq Christopher EVP, R&D & Chief Scientific Of Grant or award · Employee Stock Option (Right to Buy) +30,000 30,000
2019-02-06 Ciechanover Isaac E. Chief Executive Officer Shares withheld for taxes −24,683 375,611
2019-02-06 Berger Dietmar Global Head of R&D Grant or award +25,000 75,000
2019-02-06 Berger Dietmar Global Head of R&D Grant or award · Employee Stock Option (Right to Buy) +50,000 50,000
2019-02-06 Kim Mina Senior VP & General Counsel Grant or award +17,063 60,063
2019-02-06 Kim Mina Senior VP & General Counsel Grant or award · Employee Stock Option (Right to Buy) +34,125 34,125
2019-02-06 Porter Derrell SVP, Head of Global Commercial Shares withheld for taxes −1,216 $38.47 $47K 11,284
2019-02-06 Porter Derrell SVP, Head of Global Commercial Grant or award −12,313 23,597
2019-02-06 Porter Derrell SVP, Head of Global Commercial Grant or award · Employee Stock Option (Right to Buy) +24,625 24,625
2019-02-06 Newell Joe Chief Tech. Operations Officer Shares withheld for taxes −2,212 $38.47 $85K 29,646
2019-02-06 Newell Joe Chief Tech. Operations Officer Grant or award −17,500 47,146
2019-02-06 Newell Joe Chief Tech. Operations Officer Grant or award · Employee Stock Option (Right to Buy) +35,000 35,000

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