Filings under ARX by Aeroflex Holding Corp. (CIK 0001487990) from Nov 19, 2010 to Sep 12, 2014 belong to a different issuer and are not shown.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 21, 2026 | Meriwether Karen Sue | Director | Sell(S) | 542 | $19.62 | $11K |
| Aug 13, 2026 | Hasley Nancy | Director | Sell(S) | 20K | $19.56 | $401K |
| Aug 11, 2026 | ONeill Francis James | Co-Founder, Chief U/W Officer | Sell(S) | 89K | $12.41 | $1.1M |
| Aug 10, 2026 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Sell(S) | 80K | $12.09 | $967K |
| Aug 10, 2026 | ONeill Francis James | Co-Founder, Chief U/W Officer | Sell(S) | 64K | $12.07 | $768K |
| Aug 3, 2026 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Sell(S) | 80K | $12.06 | $965K |
| Jul 28, 2026 | ONeill Francis James | Co-Founder, Chief U/W Officer | Sell(S) | 105K | $14.56 | $1.5M |
| Jul 27, 2026 | Sternberg Matthew David | COO, Risk Exchange | Sell(S) | 18K | $14.64 | $257K |
| Jul 27, 2026 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Sell(S) | 80K | $14.63 | $1.2M |
| Jul 27, 2026 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Sell(S) | 15K | $14.45 | $220K |
| Jul 27, 2026 | ONeill Francis James | Co-Founder, Chief U/W Officer | Sell(S) | 110K | $14.63 | $1.6M |
| Jul 23, 2026 | Sternberg Matthew David | COO, Risk Exchange | Tax withholding(F) | 4K | $13.77 | $54K |
| Jul 20, 2026 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Sell(S) | 80K | $13.51 | $1.1M |
| Jul 17, 2026 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Sell(S) | 15K | $14.30 | $211K |
| Jul 15, 2026 | ONeill Francis James | Co-Founder, Chief U/W Officer | Sell(S) | 83K | $12.71 | $1.1M |
| Jul 14, 2026 | ONeill Francis James | Co-Founder, Chief U/W Officer | Sell(S) | 83K | $12.84 | $1.1M |
| Jul 13, 2026 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Sell(S) | 80K | $13.18 | $1.1M |
| Jul 6, 2026 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Sell(S) | 80K | $13.33 | $1.1M |
| Jun 29, 2026 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Sell(S) | 80K | $12.87 | $1.0M |
| Jun 26, 2026 | ONeill Francis James | Co-Founder, Chief U/W Officer | Sell(S) | 74K | $13.18 | $969K |
| Jun 25, 2026 | ONeill Francis James | Co-Founder, Chief U/W Officer | Sell(S) | 74K | $13.06 | $960K |
| Jun 23, 2026 | Hasley Nancy | Director | Sell(S) | 35K | $13.11 | $459K |
| Jun 23, 2026 | ONeill Francis James | Co-Founder, Chief U/W Officer | Sell(S) | 76K | $13.11 | $1.0M |
| Jun 23, 2026 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Sell(S) | 80K | $13.11 | $1.0M |
| Jun 22, 2026 | ONeill Francis James | Co-Founder, Chief U/W Officer | Sell(S) | 71K | $13.21 | $932K |
| May 13, 2026 | Little Paul Christopher | Director | Grant(A) | 12K | — | $0 |
| May 13, 2026 | Hasley Nancy | Director | Grant(A) | 12K | — | $0 |
| May 13, 2026 | Meriwether Karen Sue | Director | Grant(A) | 12K | — | $0 |
| May 13, 2026 | Talach David George Paul | Director | Grant(A) | 23K | — | $0 |
| May 13, 2026 | Wainwright Simon | Director | Grant(A) | 23K | — | $0 |
| May 13, 2026 | Sternberg Matthew David | COO, Risk Exchange | Grant(A) | 279K | — | $0 |
| Mar 23, 2026 | Green Jay Michael | Chief Financial Officer | Sell(S) | 50K | $12.77 | $639K |
| Mar 18, 2026 | Sternberg Matthew David | COO, Risk Exchange | Grant(A) | 181K | — | $0 |
| Mar 18, 2026 | Lee-Smith Christopher | Co-Founder, Head of Distrib., Director | Grant(A) | 129K | — | $0 |
| Mar 18, 2026 | ONeill Francis James | Co-Founder, Chief U/W Officer | Grant(A) | 129K | — | $0 |
| Mar 18, 2026 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Grant(A) | 300K | — | $0 |
| Mar 17, 2026 | Green Jay Michael | Chief Financial Officer | Tax withholding(F) | 29K | $11.63 | $333K |
| Feb 2, 2026 | Green Jay Michael | Chief Financial Officer | Tax withholding(F) | 201K | $12.76 | $2.6M |
| Dec 8, 2025 | Meriwether Karen Sue | Director | Buy(P) | 542 | $14.67 | $8K |
| Nov 19, 2025 | Gaynor Samuel | Director | Buy(P) | 8K | $13.44 | $101K |
| Nov 19, 2025 | Lee-Smith Christopher | Co-Founder, Head of Distrib., Director | Buy(P) | 15K | $13.42 | $197K |
| Nov 18, 2025 | ONeill Francis James | Co-Founder, Chief U/W Officer | Buy(P) | 38K | $13.34 | $507K |
| Nov 17, 2025 | Sternberg Matthew David | COO, Risk Exchange | Buy(P) | 6K | $13.10 | $75K |
| Nov 14, 2025 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Buy(P) | 74K | $13.48 | $999K |
| Jul 25, 2025 | Green Jay Michael | Chief Financial Officer | Grant(A) | 1.5M | — | — |
| Jul 25, 2025 | Green Jay Michael | Chief Financial Officer | Other(J) | 1.1M | — | — |
| Jul 25, 2025 | Harrington Wendy Liisa | Director | Conversion(C) | 6K | — | — |
| Jul 25, 2025 | Harrington Wendy Liisa | Director | Conversion(C) | 8K | — | — |
| Jul 25, 2025 | Harrington Wendy Liisa | Director | Grant(A) | 9K | — | $0 |
| Jul 25, 2025 | Harrington Wendy Liisa | Director | Conversion(C) | 6K | — | $0 |
| Jul 25, 2025 | Harrington Wendy Liisa | Director | Conversion(C) | 10.9M | — | $0 |
| Jul 25, 2025 | Hasley Nancy | General Counsel, Director | Conversion(C) | 17K | — | — |
| Jul 25, 2025 | Hasley Nancy | General Counsel, Director | Buy(P) | 500 | $21.00 | $11K |
| Jul 25, 2025 | Hasley Nancy | General Counsel, Director | Conversion(C) | 1.4M | — | — |
| Jul 25, 2025 | Hasley Nancy | General Counsel, Director | Conversion(C) | 513K | — | — |
| Jul 25, 2025 | Hasley Nancy | General Counsel, Director | Disposed to issuer(D) | 22K | $31.55 | $700K |
| Jul 25, 2025 | Hasley Nancy | General Counsel, Director | Conversion(C) | 17K | — | $0 |
| Jul 25, 2025 | Hasley Nancy | General Counsel, Director | Conversion(C) | 50K | — | $0 |
| Jul 25, 2025 | Hasley Nancy | General Counsel, Director | Conversion(C) | 34.2M | — | $0 |
| Jul 25, 2025 | Lee-Smith Christopher | Co-Founder, Head of Distrib., Director | Conversion(C) | 17.5M | — | — |
| Jul 25, 2025 | Lee-Smith Christopher | Co-Founder, Head of Distrib., Director | Conversion(C) | 107.1M | — | $0 |
| Jul 25, 2025 | Lee-Smith Christopher | Co-Founder, Head of Distrib., Director | Disposed to issuer(D) | 62K | $31.55 | $2.0M |
| Jul 25, 2025 | Little Paul Christopher | Director | Grant(A) | 9K | — | $0 |
| Jul 25, 2025 | Meriwether Karen Sue | Director | Grant(A) | 9K | — | $0 |
| Jul 25, 2025 | ONeill Francis James | Co-Founder, Chief U/W Officer | Conversion(C) | 7.1M | — | — |
| Jul 25, 2025 | ONeill Francis James | Co-Founder, Chief U/W Officer | Conversion(C) | 8K | — | — |
| Jul 25, 2025 | ONeill Francis James | Co-Founder, Chief U/W Officer | Disposed to issuer(D) | 22K | $31.55 | $700K |
| Jul 25, 2025 | ONeill Francis James | Co-Founder, Chief U/W Officer | Conversion(C) | 8K | — | $0 |
| Jul 25, 2025 | ONeill Francis James | Co-Founder, Chief U/W Officer | Conversion(C) | 163.6M | — | $0 |
| Jul 25, 2025 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Conversion(C) | 33K | — | — |
| Jul 25, 2025 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Conversion(C) | 250K | — | — |
| Jul 25, 2025 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Conversion(C) | 27.9M | — | — |
| Jul 25, 2025 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Conversion(C) | 24K | — | $0 |
| Jul 25, 2025 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Conversion(C) | 3K | — | $0 |
| Jul 25, 2025 | Radke Jeffrey L | Co-Founder, CEO, Director, 10% Owner | Conversion(C) | 204.2M | — | $0 |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 326K | — | — |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Sell(S) | 326K | $21.00 | $6.9M |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 488K | — | — |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Sell(S) | 2.7M | $21.00 | $56.1M |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 2.7M | — | — |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Sell(S) | 8.1M | $21.00 | $170.3M |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 8.1M | — | — |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Sell(S) | 488K | $21.00 | $10.3M |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 2.7M | — | — |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 2.7M | — | — |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 5.4M | — | $0 |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 5.4M | — | — |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 488K | — | — |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 3.6M | — | $0 |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Other(J) | 910K | $31.55 | $28.7M |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 326K | — | — |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 100 | — | $0 |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 8.1M | — | — |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 90.2M | — | — |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 8.5B | — | $0 |
| Jul 25, 2025 | ACP Accelerant Holdings, L.P. | 10% Owner | Conversion(C) | 3.6M | — | — |
| Jul 25, 2025 | Sternberg Matthew David | COO, Risk Exchange | Grant(A) | 152K | — | $0 |
| Jul 23, 2025 | Harrington Wendy Liisa | Director | Grant(A) | 210K | — | $0 |
| Jul 23, 2025 | Lee-Smith Christopher | Co-Founder, Head of Distrib., Director | Grant(A) | 2.7M | — | $0 |
| Jul 23, 2025 | ONeill Francis James | Co-Founder, Chief U/W Officer | Grant(A) | 883K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Issuer: Accelerant Holdings, SEC CIK 0001997350. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under ARX and shows every filing by that issuer. Earlier filings under the same symbol by another issuer are left out.
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for ARX