Insider Trading & Ownership of Matthew B. Klein

Location: South Plainfield, NJ
Summary: The estimated net worth of Matthew B. Klein is at least $35,775,727 dollars as of 12 Jan 2026. Matthew B. Klein is the CHIEF EXECUTIVE OFFICER, Director of PTC THERAPEUTICS, INC. and owns shares of PTC THERAPEUTICS, INC. (PTCT) stock worth about $34.89M. 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. Adler, 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	$34,889,681	-$2,795,832	-7.4%	08 Jan 2026
CLPT	ClearPoint Neuro, Inc.	Director	$886,046			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.