ARX insider transaction filings
Accelerant Holdings — 49 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-14. Screen ARX transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-14 | 4 | Hasley Nancy — Director | Sale (S): 20,489 @ $19.56 | EDGAR |
| 2026-08-12 | 4 | ONeill Francis James — Co-Founder, Chief U/W Officer | Sale (S): 63,616 @ $12.07 · Sale (S): 89,219 @ $12.41 | EDGAR |
| 2026-08-11 | 4 | RADKE JEFFREY L — Co-Founder, CEO, Director, 10% owner | Sale (S): 80,000 @ $12.09 | EDGAR |
| 2026-08-04 | 4 | RADKE JEFFREY L — Co-Founder, CEO, Director, 10% owner | Sale (S): 80,000 @ $12.06 | EDGAR |
| 2026-07-29 | 4 | ONeill Francis James — Co-Founder, Chief U/W Officer | Sale (S): 110,467 @ $14.63 · Sale (S): 104,647 @ $14.56 | EDGAR |
| 2026-07-28 | 4 | RADKE JEFFREY L — Co-Founder, CEO, Director, 10% owner | Sale (S): 80,000 @ $14.63 · Sale (S): 15,223 @ $14.45 | EDGAR |
| 2026-07-27 | 4 | Sternberg Matthew David — COO, Risk Exchange | Tax withholding (F): 3,910 @ $13.77 · Sale (S): 17,568 @ $14.64 | EDGAR |
| 2026-07-20 | 4 | RADKE JEFFREY L — Co-Founder, CEO, Director, 10% owner | Sale (S): 14,777 @ $14.30 · Sale (S): 80,000 @ $13.51 | EDGAR |
| 2026-07-16 | 4 | ONeill Francis James — Co-Founder, Chief U/W Officer | Sale (S): 83,119 @ $12.84 · Sale (S): 82,767 @ $12.71 | EDGAR |
| 2026-07-14 | 4 | RADKE JEFFREY L — Co-Founder, CEO, Director, 10% owner | Sale (S): 80,000 @ $13.18 | EDGAR |
| 2026-07-07 | 4 | RADKE JEFFREY L — Co-Founder, CEO, Director, 10% owner | Sale (S): 80,000 @ $13.33 | EDGAR |
| 2026-06-30 | 4 | RADKE JEFFREY L — Co-Founder, CEO, Director, 10% owner | Sale (S): 80,000 @ $12.87 | EDGAR |
| 2026-06-29 | 4 | ONeill Francis James — Co-Founder, Chief U/W Officer | Sale (S): 73,500 @ $13.06 · Sale (S): 73,500 @ $13.18 | EDGAR |
| 2026-06-25 | 4 | Hasley Nancy — Director | Sale (S): 35,000 @ $13.11 | EDGAR |
| 2026-06-25 | 4 | RADKE JEFFREY L — Co-Founder, CEO, Director, 10% owner | Sale (S): 80,000 @ $13.11 | EDGAR |
| 2026-06-24 | 4 | ONeill Francis James — Co-Founder, Chief U/W Officer | Sale (S): 70,536 @ $13.21 · Sale (S): 76,464 @ $13.11 | EDGAR |
| 2026-05-15 | 4 | Sternberg Matthew David — COO, Risk Exchange | Grant/award (A): 279,329 @ $0 | EDGAR |
| 2026-05-15 | 4 | Wainwright Simon — Director | Grant/award (A): 23,316 @ $0 | EDGAR |
| 2026-05-15 | 4 | Talach David George Paul — Director | Grant/award (A): 23,316 @ $0 | EDGAR |
| 2026-05-15 | 4 | Meriwether Karen Sue — Director | Grant/award (A): 11,658 @ $0 | EDGAR |
| 2026-05-15 | 4 | Hasley Nancy — Director | Grant/award (A): 11,658 @ $0 | EDGAR |
| 2026-05-15 | 4 | Little Paul Christopher — Director | Grant/award (A): 11,658 @ $0 | EDGAR |
| 2026-03-24 | 4 | Green Jay Michael — Chief Financial Officer | Sale (S): 50,000 @ $12.77 | EDGAR |
| 2026-03-20 | 4 | ONeill Francis James — Co-Founder, Chief U/W Officer | Grant/award (A): 128,644 @ $0 | EDGAR |
| 2026-03-20 | 4 | Lee-Smith Christopher — Co-Founder, Head of Distrib., Director | Grant/award (A): 128,644 @ $0 | EDGAR |
| 2026-03-20 | 4 | Sternberg Matthew David — COO, Risk Exchange | Grant/award (A): 180,667 @ $0 | EDGAR |
| 2026-03-20 | 4 | RADKE JEFFREY L — Co-Founder, CEO, Director, 10% owner | Grant/award (A): 300,171 @ $0 | EDGAR |
| 2026-03-18 | 4 | Green Jay Michael — Chief Financial Officer | Tax withholding (F): 28,625 @ $11.63 | EDGAR |
| 2026-02-04 | 4 | Green Jay Michael — Chief Financial Officer | Tax withholding (F): 200,637 @ $12.76 | EDGAR |
| 2025-12-17 | 4 | Lee-Smith Christopher — Co-Founder, Head of Distrib., Director | Purchase (P): 14,700 @ $13.42 | EDGAR |
| 2025-12-09 | 4 | Meriwether Karen Sue — Director | Purchase (P): 542 @ $14.67 | EDGAR |
| 2025-11-20 | 4 | Gaynor Samuel — Director | Purchase (P): 7,500 @ $13.44 | EDGAR |
| 2025-11-20 | 4 | ONeill Francis James — Co-Founder, Chief U/W Officer | Purchase (P): 38,000 @ $13.34 | EDGAR |
| 2025-11-19 | 4 | Sternberg Matthew David — COO, Risk Exchange | Purchase (P): 5,700 @ $13.10 | EDGAR |
| 2025-11-18 | 4 | RADKE JEFFREY L — Co-Founder, CEO, Director, 10% owner | Purchase (P): 74,110 @ $13.48 | EDGAR |
| 2025-07-29 | 4 | Sternberg Matthew David — COO, Risk Exchange | Grant/award (A): 152,264 @ $0 | EDGAR |
| 2025-07-29 | 4 | Schwartz Keoni Andrew — Director, 10% owner ACP Accelerant Holdings, L.P. — 10% owner ACP Insurance Management, LLC — 10% owner | Conversion (C): 8,111,253 · Sale (S): 8,111,253 @ $21 · Conversion (C): 2,670,456 · Sale (S): 2,670,456 @ $21 · Conversion (C): 488,131 · Sale (S): 488,131 @ $21 · +15 more | EDGAR |
| 2025-07-29 | 4 | ONeill Francis James — Co-Founder, Chief U/W Officer | Conversion (C): 7,136,705 · Conversion (C): 7,975 · Conversion (C): 163,616,981 (derivative) @ $0 · Conversion (C): 7,975 (derivative) @ $0 · Disposition to issuer (D): 22,190 (derivative) @ $31.55 | EDGAR |
| 2025-07-29 | 4 | Meriwether Karen Sue — Director | Grant/award (A): 9,210 @ $0 | EDGAR |
| 2025-07-29 | 4 | Little Paul Christopher — Director | Grant/award (A): 9,210 @ $0 | EDGAR |
| 2025-07-29 | 4 | Lee-Smith Christopher — Co-Founder, Head of Distrib., Director | Conversion (C): 17,509,884 · Conversion (C): 107,086,944 (derivative) @ $0 · Disposition to issuer (D): 62,132 (derivative) @ $31.55 | EDGAR |
| 2025-07-29 | 4 | Hasley Nancy — General Counsel, Director | Conversion (C): 1,368,640 · Conversion (C): 512,531 · Conversion (C): 17,025 · Purchase (P): 500 @ $21 · Conversion (C): 34,242,081 (derivative) @ $0 · Conversion (C): 50,000 (derivative) @ $0 · +2 more | EDGAR |
| 2025-07-29 | 4 | Harrington Wendy Liisa — Director | Grant/award (A): 9,210 @ $0 · Conversion (C): 7,808 · Conversion (C): 6,297 · Conversion (C): 10,882,806 (derivative) @ $0 · Conversion (C): 6,297 (derivative) @ $0 | EDGAR |
| 2025-07-29 | 4 | Green Jay Michael — Chief Financial Officer | Grant/award (A): 1,454,851 · Other (J): 1,087,948 (derivative) | EDGAR |
| 2025-07-29 | 4 | RADKE JEFFREY L — Co-Founder, CEO, Director, 10% owner | Conversion (C): 33,464 · Conversion (C): 27,945,395 · Conversion (C): 249,828 · Conversion (C): 3,265 (derivative) @ $0 · Conversion (C): 204,207,109 (derivative) @ $0 · Conversion (C): 24,372 (derivative) @ $0 | EDGAR |
| 2025-07-25 | 4 | ONeill Francis James — Co-Founder, Chief U/W Officer | Grant/award (A): 882,611 (derivative) @ $0 | EDGAR |
| 2025-07-25 | 4 | Lee-Smith Christopher — Co-Founder, Head of Distrib., Director | Grant/award (A): 2,746,261 (derivative) @ $0 | EDGAR |
| 2025-07-25 | 4 | Harrington Wendy Liisa — Director | Grant/award (A): 209,515 (derivative) @ $0 | EDGAR |
| 2025-07-25 | 4 | RADKE JEFFREY L — Co-Founder, CEO, Director | Grant/award (A): 8,279,552 (derivative) @ $0 | EDGAR |
Recent 8-K events — Accelerant Holdings
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-14 | 8-K | 1.01 — Entry into a Material Definitive Agreement 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-13 | 8-K | 2.02 — Results of Operations and Financial Condition 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-29 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-13 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-12 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-03-18 | 8-K | 2.02 — Results of Operations and Financial Condition 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-27 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-27 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-12 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure | EDGAR |
| 2025-08-28 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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