Accelerant Holdings (ARX) Insider Trading

Accelerant Holdings (ARX) has 17 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 17 sales totalling $21.0M. Most recent filing: Aug. 25, 2026.

Filings
17
Purchases
0
$0
Sales
17
$21.0M
Insiders
5

Most active ARX insiders

ONeill Francis James
Co-Founder, Chief U/W Officer
0 bought · 5 sold · Aug. 12, 2026
$11.0M
RADKE JEFFREY L
Co-Founder, CEO
0 bought · 8 sold · Aug. 11, 2026
$8.8M
Hasley Nancy
Director
0 bought · 2 sold · Aug. 14, 2026
$860K
Sternberg Matthew David
COO, Risk Exchange
0 bought · 1 sold · July 27, 2026
$311K
Meriwether Karen Sue
Director
0 bought · 1 sold · Aug. 25, 2026
$11K

Latest ARX Form 4 filings

Date Insider Value Shares Stake Pre-planned Links
Aug. 25, 2026 filed Aug. 21, 2026 Meriwether Karen Sue Director −$10,631 542 −3% No
Aug. 14, 2026 filed Aug. 13, 2026 Hasley Nancy Director −$400,839 20,489 −2% Yes
Aug. 12, 2026 filed Aug. 10, 2026 ONeill Francis James Co-Founder, Chief U/W Officer −$1,874,884 152,835 −2% Yes
Aug. 11, 2026 filed Aug. 10, 2026 RADKE JEFFREY L Co-Founder, CEO −$967,096 80,000 −0% Yes
Aug. 4, 2026 filed Aug. 3, 2026 RADKE JEFFREY L Co-Founder, CEO −$964,528 80,000 −0% Yes

Showing the 5 most recent of 17 filings in the last 90 days.

About this data

Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.

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