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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
2024-03-04 Murugan Amar EVP, Chief Legal Officer Sale −10,044 $0.72 $7K 727,521
2024-03-04 Hyllengren Eric J EVP, CFO Sale −1,462 $0.72 $1K 679,536
2024-03-04 Hyllengren Eric J EVP, CFO Sale −5,217 $0.72 $4K 674,319
2024-03-04 Henrich Jill EVP, Global Head RA & Quality Sale −3,879 $0.72 $3K 555,001
2024-01-08 Touchon Pascal President and CEO Grant or award +1,280,000 1,935,496
2024-01-08 Nguyen AnhCo EVP, Chief Sci. & Tech Officer Grant or award +675,000 952,143
2024-01-08 Murugan Amar EVP, Chief Legal Officer Grant or award +475,000 737,565
2024-01-08 Hyllengren Eric J EVP, CFO Grant or award +475,000 680,998
2024-01-08 Henrich Jill EVP, Global Head RA & Quality Grant or award +450,000 558,880
2023-11-16 Touchon Pascal President and CEO Sale −20,409 $0.39 $8K 655,496
2023-11-16 Nguyen AnhCo EVP, Chief Sci. & Tech Officer Sale −8,856 $0.39 $3K 277,143
2023-11-16 Murugan Amar EVP, Chief Legal Officer Sale −8,307 $0.39 $3K 257,084
2023-11-16 Joshi Manher EVP, Chief Medical Officer Sale −12,287 $0.39 $5K 171,284
2023-11-16 Hyllengren Eric J SVP, CFO Sale −11,958 $0.39 $5K 205,998
2023-11-16 Henrich Jill EVP, Global Head RA & Quality Sale −3,267 $0.39 $1K 104,424
2023-11-14 Gallagher Carol Giltner Director Purchase +90,980 $0.31 $28K 459,418
2023-11-13 Gallagher Carol Giltner Director Purchase +179,020 $0.22 $40K 368,438
2023-11-10 HEIDEN WILLIAM K Director Purchase +100,000 $0.25 $25K 209,000
2023-11-10 DOBMEIER ERIC Director Purchase +446,825 $0.23 $101K 563,325
2023-08-16 Hyllengren Eric J SVP, CFO Sale −6,408 $1.65 $11K 219,734

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