Insiders / Klein Matthew B.

Klein Matthew B.

CIK 1808968personinsider

Companies

2

First seen

Jan 2, 2026

Last activity

May 26, 2026

Companies

Company	Role	Shares held	Peak held	Trades	Latest
PTC Therapeutics Inc · PTCT	CEO	393,998	406,570	15	—
ClearPoint Neuro, Inc. · CLPT	Director	46,935	62,935	4	—

All securities held

4 positions · latest reported per filing

Company	Security	Shares	As of
ClearPoint Neuro, Inc.	Common Stock	46,935	May 21, 2026
ClearPoint Neuro, Inc.	Restricted Stock UnitsDerivative	12,820	May 21, 2026
PTC Therapeutics Inc	Common Stock	393,998	May 14, 2026
PTC Therapeutics Inc	Stock Option (Right to Buy)Derivative	157,500	Jan 2, 2026

Activity

InsidersInstitutions

This person's insider trades (Form 4), across every company.

Date	Action	Company	Value	Shares Δ	Position after	Impact
Dec 30, 2025	Sell	PTCT PTC Therapeutics Inc Common Stock	$619.9K	-8K -2.31%	341,875 0.41% of shares	medium
May 14, 2026	Sell	PTCT PTC Therapeutics Inc Common Stock	$527.7K	-7K -1.78%	398,670 0.48% of shares	medium
Feb 18, 2026	Sell	PTCT PTC Therapeutics Inc Common Stock	$511.3K	-7K -1.87%	387,082 0.46% of shares	medium
Jan 6, 2026	Sell	PTCT PTC Therapeutics Inc Common Stock	$396.2K	-5K -1.27%	399,983 0.48% of shares	medium
Jan 7, 2026	Sell	PTCT PTC Therapeutics Inc Common Stock	$233.7K	-3K -0.75%	396,967 0.48% of shares	medium
Apr 21, 2026	Sell	PTCT PTC Therapeutics Inc Common Stock	$202.1K	-3K -0.72%	394,070 0.47% of shares	medium
Jan 8, 2026	Sell	PTCT PTC Therapeutics Inc Common Stock	$192.2K	-3K -0.63%	394,453 0.47% of shares	medium
May 14, 2026	Sell	PTCT PTC Therapeutics Inc Common Stock	$186.4K	-3K -0.65%	393,998 0.47% of shares	medium
May 21, 2026	Sell	CLPT ClearPoint Neuro, Inc. Common Stock	$185.4K	-16K -25.42%	46,935 0.15% of shares	medium
Mar 12, 2026	Sell	PTCT PTC Therapeutics Inc Common Stock	$170.6K	-3K -0.67%	396,920 0.48% of shares	medium