BERKLEY W R CORP (WRB) has 40 open-market insider trades by 13 insiders since 2008. The most active filer is Mitsui Sumitomo Insurance Co. Ltd., 10% Owner.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Mitsui Sumitomo Insurance Co. Ltd. | 10% Owner | — | 15 | $485.9M | 2026-03-03 |
| Mark Ellwood Brockbank | Dir | — | 3 | $7.6M | 2022-08-01 |
| James G. Shiel | VP | — | 5 | $6.0M | 2026-08-03 |
| Clement P. Patafio | Controller | — | 3 | $6.0M | 2012-12-17 |
| Eugene G. Ballard | EVPFinance | — | 2 | $1.7M | 2017-08-07 |
| Ira S. Lederman | Secretary | — | 2 | $1.0M | 2019-12-20 |
| Robert P. Cole | SVP - Regional Operations | — | 1 | $773K | 2010-03-02 |
| Paul J. Hancock | SVP - Chief Corporate Actuary | — | 1 | $638K | 2010-03-02 |
| Ronald E. Blaylock | Dir | — | 2 | $230K | 2026-06-03 |
| Kevin H. Ebers | SVP - Information Technology | — | 3 | $199K | 2010-05-18 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Mitsui Sumitomo Insurance Co. Ltd. | 10% Owner | Buy | $18.7M | 2026-03-02 |
| Mitsui Sumitomo Insurance Co. Ltd. | 10% Owner | Buy | $21.5M | 2026-02-26 |
| Mitsui Sumitomo Insurance Co. Ltd. | 10% Owner | Buy | $39.4M | 2026-02-23 |
| MS&AD Insurance Group Holdings, Inc. | 10% | Buy | $39.4M | 2026-02-23 |
| MS&AD Insurance Group Holdings, Inc. | 10% | Buy | $35.7M | 2026-02-19 |
| Mitsui Sumitomo Insurance Co. Ltd. | 10% Owner | Buy |
Companies that share insiders with WRB, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| $40.2M |
| 2026-02-17 |
| Mitsui Sumitomo Insurance Co. Ltd. | 10% Owner | Buy | $2.8M | 2026-02-12 |
| MS&AD Insurance Group Holdings, Inc. | 10% | Buy | $2.8M | 2026-02-12 |
| Mitsui Sumitomo Insurance Co. Ltd. | 10% Owner | Buy | $6.8M | 2026-02-09 |
| MS&AD Insurance Group Holdings, Inc. | 10% | Buy | $6.8M | 2026-02-09 |
| Mitsui Sumitomo Insurance Co. Ltd. | 10% Owner | Buy | $2.8M | 2026-02-05 |
| MS&AD Insurance Group Holdings, Inc. | 10% | Buy | $2.8M | 2026-02-05 |
| Mitsui Sumitomo Insurance Co. Ltd. | 10% Owner | Buy | $21.5M | 2026-02-02 |
| Mitsui Sumitomo Insurance Co. Ltd. | 10% Owner | Buy | $33.1M | 2026-01-29 |
| Mitsui Sumitomo Insurance Co. Ltd. | 10% Owner | Buy | $69.3M | 2026-01-26 |