As of March 23, 2026, the three largest insider holders of ARX are Jeffrey L Radke (Co Founder, Ceo, 28.26Mn shares), Christopher Lee-Smith (Co Founder, Head Of Distrib., 17.66Mn shares), Francis James Oneill (Co Founder, Chief U/W Officer, 7.24Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Jeffrey L Radke | Co Founder, Ceo | 0 | 28,261,939 | 18 Nov, 2025 |
| Christopher Lee-Smith | Co Founder, Head Of Distrib. | 17,784,023 | 0 | 20 Mar, 2026 |
| Francis James Oneill | Co Founder, Chief U/W Officer | 7,363,769 | 0 | 20 Mar, 2026 |
| Nancy Hasley | General Counsel | 1,385,665 | 500 | 29 Jul, 2025 |
| Jay Michael Green | Chief Financial Officer | 1,225,589 | 0 | 18 Mar, 2026 |
| Matthew David Sternberg | Coo, Risk Exchange | 338,631 | 0 | 20 Mar, 2026 |
| Jeffrey L Radke | Co Founder, Ceo | 333,652 | 0 | 20 Mar, 2026 |
| Wendy Liisa Harrington | 23,315 | 0 | 29 Jul, 2025 | |
| Karen Sue Meriwether | 9,752 | 0 | 09 Dec, 2025 | |
| Paul Christopher Little | 9,210 | 0 | 29 Jul, 2025 | |
| Samuel Gaynor | 7,500 | 0 | 20 Nov, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 18 Mar, 2026 | Francis James Oneill | Class A Common Shares | A | 128,644 | $0.00 | 7,363,769 | D | A |
| 18 Mar, 2026 | Matthew David Sternberg | Class A Common Shares | A | 180,667 | $0.00 | 338,631 | D | A |
| 18 Mar, 2026 | Christopher Lee-Smith | Class A Common Shares | A | 128,644 | $0.00 | 17,784,023 | D | A |
| 18 Mar, 2026 | Jeffrey L Radke | Class A Common Shares | A | 300,171 | $0.00 | 333,652 | D | A |
| 17 Mar, 2026 | Jay Michael Green | Class A Common Shares | D | 28,625 | $11.63 | 1,225,589 | D | F |
| 02 Feb, 2026 | Jay Michael Green | Class A Common Shares | D | 200,637 | $12.76 | 1,254,214 | D | F |
| 19 Nov, 2025 | Christopher Lee-Smith | Class A Common Shares | A | 14,700 | $13.42 | 17,655,379 | D | P |
| 08 Dec, 2025 | Karen Sue Meriwether | Class A Common Shares | A | 542 | $14.67 | 9,752 | D | P |
| 19 Nov, 2025 | Samuel Gaynor | Class A Common Shares | A | 7,500 | $13.44 | 7,500 | D | P |
| 18 Nov, 2025 | Francis James Oneill | Class A Common Shares | A | 38,000 | $13.34 | 7,235,125 | D | P |
| 17 Nov, 2025 | Matthew David Sternberg | Class A Common Shares | A | 5,700 | $13.10 | 157,964 | D | P |
| 14 Nov, 2025 | Jeffrey L Radke | Class A Common Shares | A | 74,110 | $13.48 | 28,261,939 | I | P |
| 25 Jul, 2025 | Jay Michael Green | Class A Common Shares | A | 1,454,851 | - | 1,454,851 | D | A |
| 25 Jul, 2025 | Jeffrey L Radke | Class A Common Shares | A | 33,464 | - | 33,464 | D | C |
| 25 Jul, 2025 | Matthew David Sternberg | Class A Common Shares | A | 152,264 | $0.00 | 152,264 | D | A |
| 25 Jul, 2025 | Francis James Oneill | Class A Common Shares | A | 7,136,705 | - | 7,136,705 | D | C |
| 25 Jul, 2025 | Karen Sue Meriwether | Class A Common Shares | A | 9,210 | $0.00 | 9,210 | D | A |
| 25 Jul, 2025 | Paul Christopher Little | Class A Common Shares | A | 9,210 | $0.00 | 9,210 | D | A |
| 25 Jul, 2025 | Wendy Liisa Harrington | Class A Common Shares | A | 9,210 | $0.00 | 9,210 | D | A |
| 25 Jul, 2025 | Christopher Lee-Smith | Class A Common Shares | A | 17,509,884 | - | 17,509,884 | D | C |