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Klein Matthew B.

In the past year, 10 open-market sale filings worth $4.41M and no purchases.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
$4.41M
10 filings
Net
−$4.41M
Bought minus sold
Companies
2
With open-market trades

Trades

Every Form 4 that lists Klein Matthew B. as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

PTCT PTC Therapeutics, Inc.

CHIEF EXECUTIVE OFFICER23 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 6, 2026 (view filing)5:20 PM ETAug 42 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−10.3K$68.57−$705.7K−2.6%383.9K after10b5-1
May 15, 2026 (view filing)May 141 dayKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−12.6K$72.95−$917.2K−3.1%394.0K after4 lots10b5-1
Apr 23, 2026 (view filing)Apr 212 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−2.85K$70.91−$202.1K−0.7%394.1K after10b5-1
Mar 13, 2026 (view filing)Mar 121 dayKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−2.66K$64.08−$170.6K−0.7%396.9K after10b5-1
Feb 20, 2026 (view filing)Feb 182 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−7.37K$69.36−$511.3K−1.9%387.1K after10b5-1
Jan 12, 2026 (view filing)Jan 84 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−2.51K$76.45−$192.2K−0.6%394.5K after10b5-1
Jan 8, 2026 (view filing)Jan 6-72 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−8.16K$77.15−$629.9K−2.0%397.0K after2 lots10b5-1
Jan 2, 2026 (view filing)Dec 30, 20253 daysKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−8.09K$76.64−$619.9K−2.3%341.9K after10b5-1
Dec 3, 2025 (view filing)Dec 21 dayKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−3.43K$79.07−$271.1K−1.0%350.0K after10b5-1
Aug 5, 2025 (view filing)Aug 5Same dayKlein Matthew B.CHIEF EXECUTIVE OFFICERSSale−10.7K$51.74−$555.6K−3.1%337.8K after10b5-1

See all 23 trades at PTCT

CLPT ClearPoint Neuro, Inc.

Director1 trade

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
May 26, 2026 (view filing)May 215 daysKlein Matthew B.DirectorSSale−16.0K$11.59−$185.4K−25.4%46.9K after