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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
2019-06-24 Touchon Pascal President and CEO Grant or award · Employee Stock Option (Right to Buy) +225,000 225,000
2019-05-30 Ciechanover Isaac E. Chief Executive Officer Sale −1,425 $22.72 $32K 292,187
2019-05-30 Ciechanover Isaac E. Chief Executive Officer Sale −1,500 $23.70 $36K 290,687
2019-05-29 Ciechanover Isaac E. Chief Executive Officer Sale −2,200 $22.85 $50K 294,337
2019-05-29 Ciechanover Isaac E. Chief Executive Officer Sale −725 $23.30 $17K 293,612
2019-05-14 Ciechanover Isaac E. Chief Executive Officer Sale −3,900 $24.92 $97K 296,537
2019-05-13 Ciechanover Isaac E. Chief Executive Officer Sale −3,500 $24.23 $85K 300,837
2019-05-13 Ciechanover Isaac E. Chief Executive Officer Sale −400 $24.95 $10K 300,437
2019-05-07 Berger Dietmar Global Head of R&D Shares withheld for taxes −4,322 $33.46 $145K 85,678
2019-05-06 Newell Joe Chief Tech. Operations Officer Option exercise +1,500 $20.40 $31K 62,998
2019-05-06 Newell Joe Chief Tech. Operations Officer Sale −1,500 $35.00 $53K 61,498
2019-05-06 Newell Joe Chief Tech. Operations Officer Option exercise · Employee Stock Option (Right to Buy) −1,500 65,000
2019-04-26 Ciechanover Isaac E. Chief Executive Officer Sale −3,900 $33.47 $131K 304,337
2019-04-25 Ciechanover Isaac E. Chief Executive Officer Sale −3,600 $33.57 $121K 308,537
2019-04-25 Ciechanover Isaac E. Chief Executive Officer Sale −300 $33.99 $10K 308,237
2019-04-11 Ciechanover Isaac E. Chief Executive Officer Sale −3,900 $36.27 $141K 312,137
2019-04-10 Ciechanover Isaac E. Chief Executive Officer Sale −3,900 $37.04 $144K 316,037
2019-04-09 Kim Mina Senior VP & General Counsel Shares withheld for taxes −3,674 $36.85 $135K 66,389
2019-04-03 Newell Joe Chief Tech. Operations Officer Shares withheld for taxes −648 $41.04 $27K 61,498
2019-04-01 Newell Joe Chief Tech. Operations Officer Option exercise +1,500 $20.40 $31K 63,646

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