MK
Insider
Matthew B. Klein
DirectorMatthew 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 watchlistReturn, 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
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
PTCTRecent filings
PTCTSALE
PTC Therapeutics, Inc.
View filing →
$620K8,089 sh × $76.64
Exec Dec 30 2025
Filed Jan 2 · 5:30 PM ET PTCTSALE PTC Therapeutics, Inc. View filing → $271K
3,428 sh × $79.07
Exec Dec 2 2025
Filed Dec 3 2025 · 5:30 PM ET PTCTSALE PTC Therapeutics, Inc. View filing → $556K
10,739 sh × $51.74
Exec Aug 5 2025
Filed Aug 5 2025 · 5:30 PM ET PTCTSALE PTC Therapeutics, Inc. View filing → $137K
2,804 sh × $48.74
Exec Apr 22 2025
Filed Apr 24 2025 · 5:30 PM ET PTCTSALE PTC Therapeutics, Inc. View filing → $390K
7,792 sh across 2 lots
Exec Feb 19 2025
Filed Feb 21 2025 · 5:30 PM ET PTCTSALE PTC Therapeutics, Inc. View filing → $107K
2,402 sh × $44.50
Exec Jan 8 2025
Filed Jan 10 2025 · 5:30 PM ET PTCTSALE PTC Therapeutics, Inc. View filing → $374K
8,279 sh × $45.16
Exec Dec 31 2024
Filed Jan 3 2025 · 5:30 PM ET