Atara Biotherapeutics, Inc.

Ownership Transactions Reported by 22 Insiders

Symbol
ATRA on Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
Location
1280 Rancho Conejo Blvd, Thousand Oaks, CA

Insiders trading volume in the past year

Atara Biotherapeutics, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Adiumentum Capital Fund I LP Director, 10%+ Owner $7.52M Sep 3, 2024
AnhCo Nguyen President and CEO, Director $519K -$80.5K -13.4% Mar 3, 2025
Pascal Touchon President and CEO, Director $465K -$70.4K -13.2% Aug 16, 2024
Carol Giltner Gallagher Director $453K Mar 31, 2024
Eric J. Hyllengren Former EVP, CFO & COO $393K -$48.5K -11% Mar 31, 2025
Yanina Grant-Huerta Chief Accounting Officer $275K Mar 31, 2025
William K. Heiden Director $258K Mar 31, 2024
Eric Dobmeier Director $219K Nov 10, 2023
Matthew K. Fust Director $186K Mar 31, 2024
Amar Murugan EVP, Chief Legal Officer $178K -$27.7K -13.5% Aug 16, 2024
Maria Grazia Roncarolo Director $172K Mar 31, 2024
Ameet Mallik Director $164K Mar 31, 2024
Jill Henrich EVP, Chief Regulatory Officer $131K -$40.9K -23.8% Mar 3, 2025
Jakob Dupont EVP, Head of R&D $113K Mar 2, 2023
Charlene A. Banard EVP, Chief Technical Officer $107K May 16, 2023
Utpal Koppikar Chief Financial Officer $70.8K Mar 2, 2023
Kristin Yarema Chief Commercial Officer $66.7K Mar 1, 2022
Manher Joshi EVP, Chief Medical Officer $66.6K Nov 16, 2023
Beth C. Seidenberg Director $45.1K May 31, 2023
Joe Newell Chief Operations Officer $44K Nov 16, 2021
Roy D. Baynes Director $16.9K Jun 23, 2022
Ronald C. Renaud JR Director $12.3K Jun 23, 2022

Recent Insider Transactions by Companies or Individuals for Atara Biotherapeutics, Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.