Insider Trading & Ownership of BETH C. SEIDENBERG

Location: Westlake Village, CA
Summary: The estimated net worth of BETH C. SEIDENBERG is at least $22.1M dollars as of 22 Dec 2025. BETH C. SEIDENBERG is the Director of Progyny, Inc. and owns shares of Progyny, Inc. (PGNY) stock worth about $8.67M. BETH C. SEIDENBERG is the Director of Vera Therapeutics, Inc. and owns shares of Vera Therapeutics, Inc. (VERA) stock worth about $6.72M. BETH C. SEIDENBERG is the Director of Kyverna Therapeutics, Inc. and owns shares of Kyverna Therapeutics, Inc. (KYTX) stock worth about $6.65M. BETH C. SEIDENBERG is the Director of Atara Biotherapeutics, Inc. and owns shares of Atara Biotherapeutics, Inc. (ATRA) stock worth about $45.1K.
Signature: By: /s/ Jennifer L. Kercher, as Attorney-in-Fact
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Ownership of BETH C. SEIDENBERG

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
PGNY	Progyny, Inc.	Director	$8.67M			23 May 2024
VERA	Vera Therapeutics, Inc.	Director	$6.72M			14 May 2025
KYTX	Kyverna Therapeutics, Inc.	Director	$6.65M	+$1M	+17.7%	18 Dec 2025
ATRA	Atara Biotherapeutics, Inc.	Director	$45.1K			31 May 2023
SLRN	ACELYRIN, Inc.	Director	$0			21 May 2025
SGMT	Sagimet Biosciences Inc.	Director				06 Jun 2025

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.