| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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Co-founder, CEO
1 company
Jeffrey L Radke is Co-founder, CEO at ARX. Jeffrey L Radke's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $546.6M at current prices.
Historically, Jeffrey L Radke's trades have earned a below-average insider score of 33/100 across 8 rated trades. On a 3-month view, none of the rated trades came out ahead, averaging -43.8% over three months.
The ARX filings lean toward selling, a net 595,890 shares.
Jeffrey L Radke has 12 Form 4 filings on record from July 2025 to August 2026, all as Co-founder, CEO at Accelerant (ARX), 2025–2026.
The 16 reported transactions were 10 open-market sales, 3 conversions, 1 stock award and 1 open-market purchase, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 1 purchase worth about $999K and 8 sales worth about $8.8M.
The only open-market purchase was 74,110 shares of ARX at an average $13.48 on November 14, 2025, about $999K.
The largest open-market sale was 95,223 shares of ARX at an average $14.60 on July 27, 2026, about $1.4M.
All 8 sales since April 2023 were made under a Rule 10b5-1 trading plan, set up in advance.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 10, 2026 | ARX Accelerant Holdings | Co-founder, CEO | Sell10b5-1 | 80,000 | $12.09 | $967,096.00 | -0.3% | - | - | |
| Aug 3, 2026 | ARX Accelerant Holdings | Co-founder, CEO | Sell10b5-1 | 80,000 | $12.06 | $964,528.00 | -0.3% | - | - | |
| Jul 27, 2026 | ARX Accelerant Holdings | Co-founder, CEO | Sell10b5-1 | 95,223 | $14.60 | $1,390,533.45 | -0.3% | +35.3% | - | |
| Jul 20, 2026 | ARX Accelerant Holdings | Co-founder, CEO | Sell10b5-1 | 94,777 | $13.63 | $1,291,822.59 | -0.3% | +46.0% | - | |
| Jul 13, 2026 | ARX Accelerant Holdings | Co-founder, CEO | Sell10b5-1 | 80,000 | $13.18 | $1,054,096.00 | -0.3% | +48.2% | - | |
| Jul 6, 2026 | ARX Accelerant Holdings | Co-founder, CEO | Sell10b5-1 | 80,000 | $13.33 | $1,066,224.00 | -0.3% | +48.9% | - | |
| Jun 29, 2026 | ARX Accelerant Holdings | Co-founder, CEO | Sell10b5-1 | 80,000 | $12.87 | $1,029,880.00 | -0.3% | +56.3% | - | |
| Jun 23, 2026 | ARX Accelerant Holdings | Co-founder, CEO | Sell10b5-1 | 80,000 | $13.11 | $1,048,608.00 | -0.3% | +50.6% | - | |
| Nov 14, 2025 | ARX Accelerant Holdings | Co-founder, CEO | Buy | 74,110 | $13.48 | $999,365.94 | +0.3% | -19.2% | - |