Matthew B. Klein

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
6 years
Director since
2023

6 years of board service in total across 2 boards, counting each seat separately. Longest: ClearPoint Neuro Inc., 3 years.

3 years ยท Since 2023
PTC Therapeutics Inc. Director ยท CHIEF EXECUTIVE OFFICER
2 years ยท Since 2023

Chief executive roles

PTC Therapeutics Inc. ยท CHIEF EXECUTIVE OFFICER
Dates unknown

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Aug 4, 2026 PTC Therapeutics Inc. Open-market sale โˆ’10,292 $68.57 $705,722
May 21, 2026 ClearPoint Neuro Inc. Open-market sale โˆ’16,000 $11.59 $185,440
May 19, 2026 ClearPoint Neuro Inc. Option exercise +12,417 โ€” โ€”
May 14, 2026 PTC Therapeutics Inc. Open-market sale โˆ’679 $73.06 $49,608
May 14, 2026 PTC Therapeutics Inc. Open-market sale โˆ’7,221 $73.08 $527,711
May 14, 2026 PTC Therapeutics Inc. Open-market sale โˆ’2,100 $73.08 $153,468
May 14, 2026 PTC Therapeutics Inc. Open-market sale โˆ’2,572 $72.46 $186,367
May 13, 2026 PTC Therapeutics Inc. Grant or award +12,500 โ€” โ€”
Apr 21, 2026 PTC Therapeutics Inc. Open-market sale โˆ’2,850 $70.91 $202,094
Mar 12, 2026 PTC Therapeutics Inc. Open-market sale โˆ’2,662 $64.08 $170,581
Mar 11, 2026 PTC Therapeutics Inc. Grant or award +12,500 โ€” โ€”
Feb 18, 2026 PTC Therapeutics Inc. Open-market sale โˆ’7,371 $69.36 $511,253
Jan 8, 2026 PTC Therapeutics Inc. Open-market sale โˆ’2,514 $76.45 $192,195
Jan 7, 2026 PTC Therapeutics Inc. Open-market sale โˆ’3,016 $77.48 $233,680
Jan 6, 2026 PTC Therapeutics Inc. Open-market sale โˆ’5,149 $76.95 $396,216

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