Paydirt
MK
Insider

Matthew B. Klein

Director

Matthew B. Klein (Director) filed 10 Form 4 reports in the trailing twelve months (0 purchases, 10 sales), most often in PTC Therapeutics, Inc. (PTCT). The largest single filing was $868K of PTCT (11,893 sh across 3 lots, as filed), executed May 14.

Add to watchlist
Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
10
0 buys · 10 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$4.4M
shares × price, as filed
Last traded
Aug 4
Filed Aug 6

Median ADV $125.1M across their filed names

Open performance
Volume by month
$1.4M$721K$0Oct 2024Apr 2025Oct 2025Apr 2026Jan 2025 · sells $481KFeb 2025 · sells $390KApr 2025 · sells $137KAug 2025 · sells $556KDec 2025 · sells $271KJan 2026 · sells $1.4MFeb 2026 · sells $511KMar 2026 · sells $171KApr 2026 · sells $202KMay 2026 · sells $1.1MAug 2026 · sells $706K
Buys $0 Sells $5.9M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 10 filings

Sector per market data · by filing · past 12 months

Most traded names
PTCT PTC Therapeutics, Inc. PTCT · 0 buys · 14 sells 14 filings CLPT ClearPoint Neuro, Inc. CLPT · 0 buys · 1 sell 1 filing
Recent filings
PTCTSALE PTC Therapeutics, Inc. View filing → $706K
10,292 sh × $68.57
Exec Aug 4
Filed Aug 6 · 5:20 PM ET
CLPTSALE ClearPoint Neuro, Inc. View filing → $185K
16,000 sh × $11.59
Exec May 21
Filed May 26 · 5:30 PM ET
PTCTSALE PTC Therapeutics, Inc. View filing → $868K
11,893 sh across 3 lots
Exec May 14
Filed May 15 · 5:30 PM ET
PTCTSALE PTC Therapeutics, Inc. View filing → $202K
2,850 sh × $70.91
Exec Apr 21
Filed Apr 23 · 5:30 PM ET
PTCTSALE PTC Therapeutics, Inc. View filing → $171K
2,662 sh × $64.08
Exec Mar 12
Filed Mar 13 · 5:30 PM ET
PTCTSALE PTC Therapeutics, Inc. View filing → $511K
7,371 sh × $69.36
Exec Feb 18
Filed Feb 20 · 5:30 PM ET
PTCTSALE PTC Therapeutics, Inc. View filing → $192K
2,514 sh × $76.45
Exec Jan 8
Filed Jan 12 · 5:30 PM ET
PTCTSALE PTC Therapeutics, Inc. View filing → $630K
8,165 sh across 2 lots
Exec Jan 6
Filed Jan 8 · 5:30 PM ET
More filings →