BETH C. SEIDENBERG - Director at Atara Biotherapeutics, Inc.

Insider Transactions and Holdings

Entity Type
Individual
Role
Director
Issuer Symbol
ATRA on Nasdaq
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There are no Buy or Sell transactions made by BETH C. SEIDENBERG since 05 Feb 2025

Holdings reported by BETH C. SEIDENBERG for Atara Biotherapeutics, Inc.

Security Num Shares Value Price $ Transaction Date Ownership Underlying Class Underlying Amount
Common Stock 115,689 $45,003 $0.3890 31 May 2023 Direct
Common Stock 197 $77 $0.3890 31 May 2023 Indirect
Non-Qualified Stock Option (Right to Buy) 79,500 31 May 2023 Direct Common Stock

Transactions reported by BETH C. SEIDENBERG for Atara Biotherapeutics, Inc.

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