Accelerant Holdings (ARX) Insider Trading
Over the last 3 months, ARX insiders made 0 open-market buys and 2 sales, a net sale of -$1.9M (SEC Form 4). Over the last 6 months, 63 institutions increased and 50 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
2
Net (3m)
-$1.9M
Insider trades by month Buys Sells
Dec
Jul
Nov
Dec
Mar
Jun
Context3-month price +3.6%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 24, 2026 | ONeill Francis Jamesofficer: Co-Founder, Chief U/W Officer | Sell | 76,464 | $13.11 |
| Jun 24, 2026 | ONeill Francis Jamesofficer: Co-Founder, Chief U/W Officer | Sell | 70,536 | $13.21 |
| May 15, 2026 | Sternberg Matthew Davidofficer: COO, Risk Exchange | Grant | 279,329 | — |
| May 15, 2026 | Little Paul Christopherdirector | Grant | 11,658 | — |
| May 15, 2026 | Hasley Nancydirector | Grant | 11,658 | — |
| May 15, 2026 | Meriwether Karen Suedirector | Grant | 11,658 | — |
| May 15, 2026 | Talach David George Pauldirector | Grant | 23,316 | — |
| May 15, 2026 | Wainwright Simondirector | Grant | 23,316 | — |
| Mar 24, 2026 | Green Jay Michaelofficer: Chief Financial Officer | Sell | 50,000 | $12.77 |
| Mar 20, 2026 | Sternberg Matthew Davidofficer: COO, Risk Exchange | Grant | 180,667 | — |
| Mar 20, 2026 | RADKE JEFFREY Ldirector, 10 percent owner, officer: Co-Founder, CEO | Grant | 300,171 | — |
| Mar 20, 2026 | ONeill Francis Jamesofficer: Co-Founder, Chief U/W Officer | Grant | 128,644 | — |
| Mar 20, 2026 | Lee-Smith Christopherdirector, officer: Co-Founder, Head of Distrib. | Grant | 128,644 | — |
| Mar 18, 2026 | Green Jay Michaelofficer: Chief Financial Officer | Tax | 28,625 | $11.63 |
| Feb 4, 2026 | Green Jay Michaelofficer: Chief Financial Officer | Tax | 200,637 | $12.76 |
| Dec 17, 2025 | Lee-Smith Christopherdirector, officer: Co-Founder, Head of Distrib. | Buy | 14,700 | $13.42 |
| Dec 9, 2025 | Meriwether Karen Suedirector | Buy | 542 | $14.67 |
| Nov 20, 2025 | ONeill Francis Jamesofficer: Co-Founder, Chief U/W Officer | Buy | 38,000 | $13.34 |
| Nov 20, 2025 | Gaynor Samueldirector | Buy | 7,500 | $13.44 |
| Nov 19, 2025 | Sternberg Matthew Davidofficer: COO, Risk Exchange | Buy | 5,700 | $13.10 |
| Nov 18, 2025 | RADKE JEFFREY Ldirector, 10 percent owner, officer: Co-Founder, CEO | Buy | 74,110 | $13.48 |
| Jul 29, 2025 | Sternberg Matthew Davidofficer: COO, Risk Exchange | Grant | 152,264 | — |
| Jul 29, 2025 | Schwartz Keoni Andrewdirector, 10 percent owner: | Sell | 326,312 | $21.00 |
| Jul 29, 2025 | Meriwether Karen Suedirector | Grant | 9,210 | — |
| Jul 29, 2025 | Little Paul Christopherdirector | Grant | 9,210 | — |
| Jul 29, 2025 | Hasley Nancydirector, officer: General Counsel | Buy | 500 | $21.00 |
| Jul 29, 2025 | Harrington Wendy Liisadirector | Grant | 9,210 | — |
| Jul 29, 2025 | Green Jay Michaelofficer: Chief Financial Officer | Grant | 1,454,851 | — |
| Jul 25, 2025 | Lee-Smith Christopherdirector, officer: Co-Founder, Head of Distrib. | Grant | 2,746,261 | $21.00 |
| Jul 25, 2025 | RADKE JEFFREY Ldirector, officer: Co-Founder, CEO | Grant | 8,279,552 | $21.00 |
Source: ARX SEC Form 4 filings, latest Jun 24, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ARX positions over the last 6 months (SEC Form 13F).
Increased
63
New positions
72
Reduced
50
Sold out
50
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| SECURITY BENEFIT LIFE INSURANCE CO /KS/ | Unchanged | 5.9M | Feb 3, 2026 |
| SECURITY BENEFIT LIFE INSURANCE CO /KS/ | Unchanged | 5.9M | May 4, 2026 |
| CAPITAL WORLD INVESTORS | Increased | 5.8M | Feb 11, 2026 |
| CAPITAL WORLD INVESTORS | Reduced | 5.2M | May 13, 2026 |
| KEENAN CAPITAL, LLC | Increased | 4.0M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 3.9M | May 15, 2026 |
| GILDER GAGNON HOWE & CO LLC | Increased | 3.7M | May 15, 2026 |
| GILDER GAGNON HOWE & CO LLC | Reduced | 3.7M | Feb 17, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 3.2M | May 15, 2026 |
| KEENAN CAPITAL, LLC | New Position | 3.1M | Feb 13, 2026 |
| BARINGS LLC | Unchanged | 3.1M | May 6, 2026 |
| BARINGS LLC | Unchanged | 3.1M | Feb 12, 2026 |
| ALLIANCEBERNSTEIN L.P. | Increased | 2.8M | Feb 17, 2026 |
| ALLIANCEBERNSTEIN L.P. | Reduced | 2.8M | May 15, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | Increased | 2.7M | Feb 17, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.