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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
2023-03-01 Dupont Jakob EVP, Head of R&D Grant or award +141,328 295,868
2023-03-01 Dupont Jakob EVP, Head of R&D Grant or award · Employee Stock Option (Right to Buy) +317,987 317,987
2023-03-01 Murugan Amar SVP, GC & Secretary Grant or award +155,375 283,555
2023-03-01 Murugan Amar SVP, GC & Secretary Grant or award · Employee Stock Option (Right to Buy) +349,593 349,593
2023-02-07 Koppikar Utpal Chief Financial Officer Sale −2,485 $5.46 $14K 188,849
2022-11-16 Dupont Jakob EVP, Head of R&D Sale −3,218 $4.49 $14K 155,664
2022-11-16 Dupont Jakob EVP, Head of R&D Sale −1,124 $4.49 $5K 154,540
2022-11-16 Touchon Pascal President and CEO Sale −15,591 $4.49 $70K 441,696
2022-11-16 Murugan Amar SVP, GC & Secretary Sale −3,612 $4.49 $16K 127,586
2022-11-16 Koppikar Utpal Chief Financial Officer Sale −5,172 $4.49 $23K 192,417
2022-11-16 Koppikar Utpal Chief Financial Officer Sale −1,083 $4.49 $5K 191,334
2022-08-16 Touchon Pascal President and CEO Sale −14,806 $5.04 $75K 457,287
2022-08-16 Dupont Jakob EVP, Head of R&D Sale −4,124 $5.03 $21K 158,882
2022-08-16 Murugan Amar SVP, GC & Secretary Sale −1,196 $5.03 $6K 133,432
2022-08-16 Murugan Amar SVP, GC & Secretary Sale −2,234 $5.04 $11K 131,198
2022-08-16 Koppikar Utpal Chief Financial Officer Sale −5,940 $5.04 $30K 197,589
2022-06-27 Touchon Pascal President and CEO Sale −14,220 $7.20 $102K 472,093
2022-06-23 Gallagher Carol Giltner Director Grant or award +20,500 132,418
2022-06-23 Gallagher Carol Giltner Director Grant or award · Non-Qualified Stock Option (Right to Buy) +31,500 31,500
2022-06-23 HEIDEN WILLIAM K Director Grant or award +20,500 52,000

Page 9 of 17 · 334 trades