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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
2022-06-23 HEIDEN WILLIAM K Director Grant or award · Non-Qualified Stock Option (Right to Buy) +31,500 31,500
2022-06-23 Fust Matthew K Director Grant or award +20,500 52,000
2022-06-23 Fust Matthew K Director Grant or award · Non-Qualified Stock Option (Right to Buy) +31,500 31,500
2022-06-23 MALLIK AMEET Director Grant or award +20,500 20,500
2022-06-23 MALLIK AMEET Director Grant or award · Non-Qualified Stock Option (Right to Buy) +31,500 31,500
2022-06-23 Roncarolo Maria Grazia Director Grant or award +20,500 31,500
2022-06-23 Roncarolo Maria Grazia Director Grant or award · Non-Qualified Stock Option (Right to Buy) +31,500 31,500
2022-06-23 Baynes Roy D. Director Grant or award +20,500 43,500
2022-06-23 Baynes Roy D. Director Grant or award · Non-Qualified Stock Option (Right to Buy) +31,500 31,500
2022-06-23 DOBMEIER ERIC Director Grant or award +20,500 59,500
2022-06-23 DOBMEIER ERIC Director Grant or award · Non-Qualified Stock Option (Right to Buy) +31,500 31,500
2022-06-23 Renaud Ronald C JR Director Grant or award +20,500 31,500
2022-06-23 Renaud Ronald C JR Director Grant or award · Non-Qualified Stock Option (Right to Buy) +31,500 31,500
2022-06-23 SEIDENBERG BETH C Director Grant or award +20,500 58,689
2022-06-23 SEIDENBERG BETH C Director Grant or award · Non-Qualified Stock Option (Right to Buy) +31,500 31,500
2022-06-08 Koppikar Utpal Chief Financial Officer Sale −5,853 $5.63 $33K 203,529
2022-05-17 Murugan Amar SVP, GC & Secretary Sale −2,317 $5.32 $12K 134,641
2022-05-17 Murugan Amar SVP, GC & Secretary Sale −906 $5.32 $5K 133,735
2022-05-17 Koppikar Utpal Chief Financial Officer Sale −4,616 $5.32 $25K 208,558
2022-05-17 Koppikar Utpal Chief Financial Officer Sale −966 $5.32 $5K 207,592

Page 10 of 17 · 334 trades