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 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Christopher Lee-Smith - Officer | Open-market purchase | Class A Common Shares | 14,700 | $13.42 | $197K | |
| Francis James Oneill - Officer | Open-market purchase | Class A Common Shares | 38,000 | $13.34 | $507K | |
| Samuel Gaynor | Open-market purchase | Class A Common Shares | 7,500 | $13.44 | $101K | |
| Matthew David Sternberg - Officer | Open-market purchase | Class A Common Shares | 5,700 | $13.10 | $75K | |
| Jeffrey L. Radke - Officer | Open-market purchase | Class A Common Shares | 74,110 | $13.48 | $999K | |
| Nancy Hasley - Officer | Other | Class A Common Shares | 1,368,640 | - | - | |
| Nancy Hasley - Officer | Other | Class A Common Shares | 512,531 | - | - | |
| Nancy Hasley - Officer | Other | Class A Common Shares | 17,025 | - | - | |
| Nancy Hasley - Officer | Open-market purchase | Class A Common Shares | 500 | $21.00 | $11K | |
| Nancy Hasley - Officer | Other | LP Interests of Accelerant Holdings LP | 34,242,081 | $0.00 | - | |
| Nancy Hasley - Officer | Other | LP Interests of Accelerant Holdings LP | 50,000 | $0.00 | - | |
| Nancy Hasley - Officer | Other | Convertible Preference Shares | 17,025 | $0.00 | - | |
| Nancy Hasley - Officer | Derivative | Redeemable Preference Shares | 22,190 | $31.55 | $700K | |
| Karen Sue Meriwether | Grant or award | Class A Common Shares | 9,210 | $0.00 | - | |
| Wendy Liisa Harrington | Grant or award | Class A Common Shares | 9,210 | $0.00 | - | |
| Wendy Liisa Harrington | Other | Class A Common Shares | 7,808 | - | - | |
| Wendy Liisa Harrington | Other | Class A Common Shares | 6,297 | - | - | |
| Wendy Liisa Harrington | Other | LP Interests of Accelerant Holdings LP | 10,882,806 | $0.00 | - | |
| Wendy Liisa Harrington | Other | Convertible Preference Shares | 6,297 | $0.00 | - | |
| Keoni Andrew Schwartz | Other | Class A Common Shares | 8,111,253 | - | - | |
| Keoni Andrew Schwartz | Open-market sale | Class A Common Shares | 8,111,253 | $21.00 | $170.34M | |
| Keoni Andrew Schwartz | Other | Class A Common Shares | 2,670,456 | - | - | |
| Keoni Andrew Schwartz | Open-market sale | Class A Common Shares | 2,670,456 | $21.00 | $56.08M | |
| Keoni Andrew Schwartz | Other | Class A Common Shares | 488,131 | - | - | |
| Keoni Andrew Schwartz | Open-market sale | Class A Common Shares | 488,131 | $21.00 | $10.25M | |
| Keoni Andrew Schwartz | Other | Class A Common Shares | 326,312 | - | - | |
| Keoni Andrew Schwartz | Open-market sale | Class A Common Shares | 326,312 | $21.00 | $6.85M | |
| Keoni Andrew Schwartz | Other | LP Interests of Accelerant Holdings LP | 8,491,134,079 | $0.00 | - | |
| Keoni Andrew Schwartz | Other | Class B Common Shares | 90,196,595 | - | - | |
| Keoni Andrew Schwartz | Other | Class B Common Shares | 8,111,253 | - | - | |
| Keoni Andrew Schwartz | Other | LP Interests of Accelerant Holdings LP | 100 | $0.00 | - | |
| Keoni Andrew Schwartz | Other | Class B Common Shares | 2,670,456 | - | - | |
| Keoni Andrew Schwartz | Other | Class B Common Shares | 2,670,456 | - | - | |
| Keoni Andrew Schwartz | Other | Convertible Preference Shares | 5,427,970 | $0.00 | - | |
| Keoni Andrew Schwartz | Other | Class B Common Shares | 5,427,970 | - | - | |
| Keoni Andrew Schwartz | Other | Class B Common Shares | 488,131 | - | - | |
| Keoni Andrew Schwartz | Other | Convertible Preference Shares | 3,628,575 | $0.00 | - | |
| Keoni Andrew Schwartz | Other | Class B Common Shares | 3,628,575 | - | - | |
| Keoni Andrew Schwartz | Other | Class B Common Shares | 326,312 | - | - | |
| Keoni Andrew Schwartz | Other | Redeemable Preference Shares | 909,791 | $31.55 | $28.70M | |
| Jeffrey L. Radke - Officer | Other | Class A Common Shares | 33,464 | - | - | |
| Jeffrey L. Radke - Officer | Other | Class A Common Shares | 27,945,395 | - | - | |
| Jeffrey L. Radke - Officer | Other | Class A Common Shares | 249,828 | - | - | |
| Jeffrey L. Radke - Officer | Other | LP Interests of Accelerant Holdings LP | 3,265 | $0.00 | - | |
| Jeffrey L. Radke - Officer | Other | LP Interests of Accelerant Holdings LP | 204,207,109 | $0.00 | - | |
| Jeffrey L. Radke - Officer | Other | LP Interests of Accelerant Holdings LP | 24,372 | $0.00 | - | |
| Francis James Oneill - Officer | Other | Class A Common Shares | 7,136,705 | - | - | |
| Francis James Oneill - Officer | Other | Class A Common Shares | 7,975 | - | - | |
| Francis James Oneill - Officer | Other | LP Interests of Accelerant Holdings LP | 163,616,981 | $0.00 | - | |
| Francis James Oneill - Officer | Other | Convertible Preference Shares | 7,975 | $0.00 | - | |
| Francis James Oneill - Officer | Derivative | Redeemable Preference Shares | 22,190 | $31.55 | $700K | |
| Christopher Lee-Smith - Officer | Other | Class A Common Shares | 17,509,884 | - | - | |
| Christopher Lee-Smith - Officer | Other | LP Interests of Accelerant Holdings LP | 107,086,944 | $0.00 | - | |
| Christopher Lee-Smith - Officer | Derivative | Redeemable Preference Shares | 62,132 | $31.55 | $1.96M | |
| Matthew David Sternberg - Officer | Grant or award | Class A Common Shares | 152,264 | $0.00 | - | |
| Jay Michael Green - Officer | Grant or award | Class A Common Shares | 1,454,851 | - | - | |
| Jay Michael Green - Officer | Other | Stock Option (Right to Buy) | 1,087,948 | - | - | |
| Paul Christopher Little | Grant or award | Class A Common Shares | 9,210 | $0.00 | - | |
| Francis James Oneill - Officer | Grant or award | Stock Option (Right to Buy) | 882,611 | $0.00 | - | |
| Jeffrey L. Radke - Officer | Grant or award | Stock Option (Right to Buy) | 8,279,552 | $0.00 | - | |
| Wendy Liisa Harrington | Grant or award | Stock Option (Right to Buy) | 209,515 | $0.00 | - | |
| Christopher Lee-Smith - Officer | Grant or award | Stock Option (Right to Buy) | 2,746,261 | $0.00 | - |
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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