JR
Jeffrey L Radke (Co-Founder, CEO) filed 9 Form 4 reports in the trailing twelve months (1 purchase, 8 sales), most often in Accelerant Holdings (ARX). Across 1 priced purchase filing, the average 21-session return was +12.2% from execution and +19.3% from disclosure (delay-adjusted; derived). The largest single filing was $1.4M of ARX (95,223 sh across 2 lots, as filed), executed Jul 27. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+12.2%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+19.3%
same 1 filings, from disclosure
Filings, ttm
9
1 buys · 8 sells
Median delay
4d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$8.8M
shares × price, as filed
Last traded
Aug 10
Filed Aug 11
Median ADV $70.2M across their filed names
Open performance→Volume by month
Buys $999K
Sells $8.8M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Financial Services
9 filings
Sector per market data · by filing · past 12 months
Most traded names
ARXRecent filings
ARXPURCHASE
Accelerant Holdings
View filing →
$999K74,110 sh × $13.48
Exec Nov 14 2025
Filed Nov 18 2025 · 8:23 AM ET