Insider Trading & Ownership of Timothy A. Springer

Location: 36 Woodman Road, Chestnut Hill, MA
Summary: The estimated net worth of Timothy A. Springer is at least $202M dollars as of June 11, 2025. Timothy A. Springer is the Director, 10%+ Owner of Cartesian Therapeutics, Inc. and owns shares of Cartesian Therapeutics, Inc. (RNAC) stock worth about $104M. Timothy A. Springer is the Director, 10%+ Owner of Tectonic Therapeutic, Inc. and owns shares of Tectonic Therapeutic, Inc. (TECX) stock worth about $98.3M.
Signature: /s/ Daniel Lochner, Attorney-in-Fact
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Ownership of Timothy A. Springer

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
RNAC	Cartesian Therapeutics, Inc.	Director, 10%+ Owner	$104M	+$4.23M	+4.24%	Apr 9, 2025
TECX	Tectonic Therapeutic, Inc.	Director, 10%+ Owner	$98.3M	+$50.8M	+107%	Jun 9, 2025
MORF	Morphic Holding, Inc.	Director, 10%+ Owner	$0			Aug 16, 2024

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.