Insider Trading & Ownership of Matthew B. Klein

Location: South Plainfield, NJ
Summary: The estimated net worth of Matthew B. Klein is at least $33.3M dollars as of 03 Dec 2025. Matthew B. Klein is the CHIEF EXECUTIVE OFFICER, Director of PTC THERAPEUTICS, INC. and owns shares of PTC THERAPEUTICS, INC. (PTCT) stock worth about $32.4M. Matthew B. Klein is the Director of ClearPoint Neuro, Inc. and owns shares of ClearPoint Neuro, Inc. (CLPT) stock worth about $886K.
Signature: /s/ Avraham S. Alder, Attorney-in-Fact
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Ownership of Matthew B. Klein

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
PTCT	PTC THERAPEUTICS, INC.	CHIEF EXECUTIVE OFFICER, Director	$32.4M	-$1.93M	-5.63%	01 Dec 2025
CLPT	ClearPoint Neuro, Inc.	Director	$886K			22 May 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.