Accelerant Holdings (ARX)
$19.73+$0.04 (+0.20%) Today
Accelerant Holdings operates as a data-driven risk exchange that connects selected specialty insurance underwriters with risk capital partners. The company operates in three segments: Exchange Services, MGA Operations, and Underwriting. The majority of its revenue is generated from the Underwriting segment, which contains all revenue and expenses associated with the underwriting of insurance policies and assumption of reinsurance policies issued or accepted by Accelerant's consolidated insurance and reinsurance companies. Geographically, it operates in North America, the UK, and the EU, out of which it derives maximum revenue from North America.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 24 | 1,571,434 | $20.94M |
| Tax withholding / forfeiture | 1 | 3,910 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
49 Form 4 filings on record, the earliest from Jul 23, 2025, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Karen Sue Meriwether - Director | Open-market sale | Class A Common Shares | 542 | $19.62 | $11K | |
| Nancy Hasley - Director | Open-market sale | Class A Common Shares | 20,489 | $19.56 | $401K | |
| Francis James Oneill - Officer | Open-market sale | Class A Common Shares | 63,616 | $12.07 | $768K | |
| Francis James Oneill - Officer | Open-market sale | Class A Common Shares | 89,219 | $12.41 | $1.11M | |
| Jeffrey L. Radke - Officer | Open-market sale | Class A Common Shares | 80,000 | $12.09 | $967K | |
| Jeffrey L. Radke - Officer | Open-market sale | Class A Common Shares | 80,000 | $12.06 | $965K | |
| Francis James Oneill - Officer | Open-market sale | Class A Common Shares | 110,467 | $14.63 | $1.62M | |
| Francis James Oneill - Officer | Open-market sale | Class A Common Shares | 104,647 | $14.56 | $1.52M | |
| Jeffrey L. Radke - Officer | Open-market sale | Class A Common Shares | 80,000 | $14.63 | $1.17M | |
| Jeffrey L. Radke - Officer | Open-market sale | Class A Common Shares | 15,223 | $14.45 | $220K | |
| Matthew David Sternberg - Officer | Tax withholding / forfeiture | Class A Common Shares | 3,910 | $13.77 | $54K | |
| Matthew David Sternberg - Officer | Open-market sale | Class A Common Shares | 17,568 | $14.64 | $257K | |
| Jeffrey L. Radke - Officer | Open-market sale | Class A Common Shares | 14,777 | $14.30 | $211K | |
| Jeffrey L. Radke - Officer | Open-market sale | Class A Common Shares | 80,000 | $13.51 | $1.08M | |
| Francis James Oneill - Officer | Open-market sale | Class A Common Shares | 83,119 | $12.84 | $1.07M | |
| Francis James Oneill - Officer | Open-market sale | Class A Common Shares | 82,767 | $12.71 | $1.05M | |
| Jeffrey L. Radke - Officer | Open-market sale | Class A Common Shares | 80,000 | $13.18 | $1.05M | |
| Jeffrey L. Radke - Officer | Open-market sale | Class A Common Shares | 80,000 | $13.33 | $1.07M | |
| Jeffrey L. Radke - Officer | Open-market sale | Class A Common Shares | 80,000 | $12.87 | $1.03M | |
| Francis James Oneill - Officer | Open-market sale | Class A Common Shares | 73,500 | $13.06 | $960K | |
| Francis James Oneill - Officer | Open-market sale | Class A Common Shares | 73,500 | $13.18 | $969K | |
| Nancy Hasley - Director | Open-market sale | Class A Common Shares | 35,000 | $13.11 | $459K | |
| Jeffrey L. Radke - Officer | Open-market sale | Class A Common Shares | 80,000 | $13.11 | $1.05M | |
| Francis James Oneill - Officer | Open-market sale | Class A Common Shares | 70,536 | $13.21 | $932K | |
| Francis James Oneill - Officer | Open-market sale | Class A Common Shares | 76,464 | $13.11 | $1.00M | |
| Matthew David Sternberg - Officer | Grant or award | Class A Common Shares | 279,329 | $0.00 | - | |
| Simon Wainwright - Director | Grant or award | Class A Common Shares | 23,316 | $0.00 | - | |
| David George Paul Talach - Director | Grant or award | Class A Common Shares | 23,316 | $0.00 | - | |
| Karen Sue Meriwether - Director | Grant or award | Class A Common Shares | 11,658 | $0.00 | - | |
| Nancy Hasley - Director | Grant or award | Class A Common Shares | 11,658 | $0.00 | - | |
| Paul Christopher Little - Director | Grant or award | Class A Common Shares | 11,658 | $0.00 | - | |
| Jay Michael Green - Officer | Open-market sale | Class A Common Shares | 50,000 | $12.77 | $638K | |
| Jeffrey L. Radke - Officer | Grant or award | Class A Common Shares | 300,171 | $0.00 | - | |
| Francis James Oneill - Officer | Grant or award | Class A Common Shares | 128,644 | $0.00 | - | |
| Christopher Lee-Smith - Officer | Grant or award | Class A Common Shares | 128,644 | $0.00 | - | |
| Matthew David Sternberg - Officer | Grant or award | Class A Common Shares | 180,667 | $0.00 | - | |
| Jay Michael Green - Officer | Tax withholding / forfeiture | Class A Common Shares | 28,625 | $11.63 | $333K | |
| Jay Michael Green - Officer | Tax withholding / forfeiture | Class A Common Shares | 200,637 | $12.76 | $2.56M |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| KAREN MERIWETHER | Director | 542 | $11K | View on EDGAR | |
| NANCY HASLEY | Director | 20,489 | $279K | View on EDGAR | |
| Francis James O'Neill | Officer | 381,000 | $4.59M | View on EDGAR |
Accelerant Holdings (ARX) had 17 insider filings in the last 90 days, with the most recent on 2026-08-25. The full record for ARX runs to 49 Form 4 filings, the earliest from 2025-07-23. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of ARX were filed in the last 90 days. 6 purchases are on record for this company.
24 insider sales of ARX were filed in the last 90 days, totaling $20.94M.
This page tracks ARX Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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