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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
2021-05-17 Newell Joe Chief Operations Officer Sale −3,500 $15.00 $53K 131,424
2021-04-05 Newell Joe Chief Operations Officer Sale −655 $14.74 $10K 134,924
2021-03-26 Koppikar Utpal Chief Financial Officer Sale −1,761 $14.58 $26K 172,582
2021-03-26 Newell Joe Chief Operations Officer Sale −2,640 $14.58 $38K 135,579
2021-03-15 Newell Joe Chief Operations Officer Option exercise +3,500 $12.15 $43K 145,219
2021-03-15 Newell Joe Chief Operations Officer Sale −7,000 $17.41 $122K 138,219
2021-03-15 Newell Joe Chief Operations Officer Option exercise · Employee Stock Option (Right to Buy) −2,791 43,250
2021-03-15 Newell Joe Chief Operations Officer Option exercise · Employee Stock Option (Right to Buy) −709 12,750
2021-03-02 Newell Joe Chief Operations Officer Sale −1,665 $16.74 $28K 141,719
2021-03-02 Koppikar Utpal Chief Financial Officer Sale −1,461 $16.74 $24K 174,343
2021-03-02 Touchon Pascal President and CEO Sale −4,887 $16.74 $82K 367,621
2021-03-01 Dupont Jakob EVP, Head of R&D Grant or award +53,879 100,129
2021-03-01 Dupont Jakob EVP, Head of R&D Grant or award · Employee Stock Option (Right to Buy) +81,327 81,327
2021-03-01 Murugan Amar SVP, GC & Secretary Grant or award +41,756 97,425
2021-03-01 Murugan Amar SVP, GC & Secretary Grant or award · Employee Stock Option (Right to Buy) +63,028 63,028
2021-03-01 Newell Joe Chief Operations Officer Grant or award +37,715 143,384
2021-03-01 Newell Joe Chief Operations Officer Grant or award · Employee Stock Option (Right to Buy) +56,929 56,929
2021-03-01 Yarema Kristin Chief Commercial Officer Grant or award +35,021 92,289
2021-03-01 Yarema Kristin Chief Commercial Officer Grant or award · Employee Stock Option (Right to Buy) +52,862 52,862
2021-03-01 Koppikar Utpal Chief Financial Officer Grant or award +45,258 175,804

Page 15 of 17 · 334 trades