BERKLEY WILLIAM R JR (CIK 1236253) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-05). Recent activity: Buy WRB (98,593 shares), Sell WRB (4,139 shares), Buy WRB (3,090 shares), Buy WRB (111,869 shares), Sell WRB (4,696 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-05 | BERKLEY W R CORP (WRB) | Chairman, President and CEO | Buy | 98,593 | $0 |
| 2026-08-05 | BERKLEY W R CORP (WRB) | Chairman, President and CEO | Sell | 4,139 | $299,198 |
| 2026-06-04 | BERKLEY W R CORP (WRB) | President and CEO | Buy | 3,090 | $0 |
| 2025-08-19 | BERKLEY W R CORP (WRB) | President and CEO | Buy | 111,869 | $0 |
| 2025-08-19 | BERKLEY W R CORP (WRB) | President and CEO | Sell | 4,696 | $334,543 |
| 2025-06-13 | BERKLEY W R CORP (WRB) | President and CEO | Buy | 2,776 | $0 |
Source: SEC Form 4 filings · as of 2026-08-05