Info
Insider Ownership

Insider Trading & Ownership of Michael Byrnes

Location: Palo Alto, CA
Summary: The estimated net worth of Michael Byrnes is at least $5,246 dollars as of 09 Jan 2026. Michael Byrnes is the Chief Financial Officer of eFFECTOR Therapeutics, Inc. and owns shares of eFFECTOR Therapeutics, Inc. stock worth about $5.2K.
Signature: /s/ Andrew Kucharchuk, Attorney-in-Fact
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Ownership of Michael Byrnes

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
EFTR	eFFECTOR Therapeutics, Inc.	Chief Financial Officer	$5,246			15 May 2024
CERO, CEROW	CERO THERAPEUTICS HOLDINGS, INC.	Director				07 Jan 2026

Insider Transactions Reported by Michael Byrnes:

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.