Info
Insider Ownership

Insider Trading & Ownership of Marcella K. Ruddy

Location: Watertown, MA
Summary: The estimated net worth of Marcella K. Ruddy is at least $1,469,060 dollars as of 29 Sep 2025. Marcella K. Ruddy is the Chief Medical Officer of Tectonic Therapeutic, Inc. and owns shares of Tectonic Therapeutic, Inc. (TECX) stock worth about $1.47M.
Signature: /s/ Daniel Lochner, Attorney-in-Fact
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Ownership of Marcella K. Ruddy

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
TECX	Tectonic Therapeutic, Inc.	Chief Medical Officer	$1,469,060			25 Sep 2025
SION	Sionna Therapeutics, Inc.	Director				12 Jun 2025
UPB	Upstream Bio, Inc.	Director				10 Jun 2025

Insider Transactions Reported by Marcella K. Ruddy:

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.