🕵️ James River Group Holdings, Inc. ($JRVR)
SEC insider & ownership activity, last 12 months · CIK 1620459 · every row links its SEC filing
Insiders were quiet over the last 12 months – no open-market buys or sells. T. ROWE Price Investment Management, Inc. added 8.2% → 9.8%. No red-flag 8-Ks in the window.
Insider flow
0 buyers, $0 (0 lots) · 0 sellers, $0 (0 lots)
No open-market insider transactions in the last 12 months.
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Zimmer Partners, LP | 10.0% | 13D | May 14, 2026 | filing ↗ | |
| Zimmer Financial Services Group LLC | 10.0% | 13D | May 14, 2026 | filing ↗ | |
| Zimmer Partners GP, LLC | 10.0% | 13D | May 14, 2026 | filing ↗ | |
| Stuart J. Zimmer | 10.0% | 13D | May 14, 2026 | filing ↗ | |
| T. ROWE Price Investment Management, Inc. | 9.8% | 13G | Aug 14, 2025 | filing ↗ | |
| Blackrock, Inc. | 6.3% | 13G | Apr 23, 2025 | filing ↗ | |
| Enstar Group Limited | 5.7% | 13G | Dec 26, 2024 | filing ↗ | |
| Cavello Bay Reinsurance Limited | 5.7% | 13G | Dec 26, 2024 | filing ↗ | |
| Kenmare Holdings Ltd. | 5.7% | 13G | Dec 26, 2024 | filing ↗ | |
| Enstar Group Limited | 5.6% | 13G | Nov 13, 2025 | filing ↗ | |
| ELK Insurance Holdings, LLC | 5.6% | 13G | Nov 13, 2025 | filing ↗ | |
| Continental General Insurance Co | 5.3% | 13G | Mar 24, 2026 | filing ↗ | |
| Continental Insurance Group, Ltd. | 5.3% | 13G | Mar 24, 2026 | filing ↗ | |
| Continental General Holdings LLC | 5.3% | 13G | Mar 24, 2026 | filing ↗ | |
| Gorzynski Michael | 5.3% | 13G | Mar 24, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Other events (8.01) | Jun 13, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 2, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 2, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 12, 2026 | filing ↗ |
| Earnings (2.02) | May 4, 2026 | filing ↗ |
| Other events (8.01) | May 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 8, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 27, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 2, 2026 | filing ↗ |
| Amendments to the Registrant's Code of Ethics (5.05) | Mar 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 2, 2026 | filing ↗ |
| Earnings (2.02) | Mar 2, 2026 | filing ↗ |
| Other events (8.01) | Mar 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 2, 2026 | filing ↗ |
| Other events (8.01) | Dec 2, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 12, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 12, 2025 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Nov 7, 2025 | filing ↗ |
| Charter/bylaw changes (5.03) | Nov 7, 2025 | filing ↗ |
| Other events (8.01) | Nov 7, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 7, 2025 | filing ↗ |
| Earnings (2.02) | Nov 3, 2025 | filing ↗ |
| Other events (8.01) | Nov 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 3, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 23, 2025 | filing ↗ |
| Shareholder vote (5.07) | Oct 23, 2025 | filing ↗ |