Info
Insider Ownership

Insider Trading & Ownership of Utpal Koppikar

Location: South San Francisco, CA
Summary: The estimated net worth of Utpal Koppikar is at least $70,789 dollars as of 20 Jun 2025. Utpal Koppikar is the Chief Financial Officer of Atara Biotherapeutics, Inc. and owns shares of Atara Biotherapeutics, Inc. (ATRA) stock worth about $70.8K.
Signature: /s/ Jolie M. Siegel, Attorney-in-Fact
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Ownership of Utpal Koppikar

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
ATRA	Atara Biotherapeutics, Inc.	Chief Financial Officer	$70,789			02 Mar 2023
CCCC	C4 Therapeutics, Inc.	Director				18 Jun 2025
FLXN	Flexion Therapeutics Inc	Director				19 Nov 2021

Insider Transactions Reported by Utpal Koppikar:

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.