BERKLEY W R CORP (WRB) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-03 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: BERKLEY W R CORP (WRB) CIK: 0000011544 --- Reporting Owner --- Name: BERKLEY WILLIAM R JR CIK: 0001236253 Role: Director, Officer (President and CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-06-03 | Code: A (Grant or award) Shares: +3,090 | Price: $0.00 Shares Owned After: 4,555,860 | Ownership: D (Direct) Footnotes: [F1] Represents award granted pursuant to the terms of the W. R. Berkley Corporation 2009 Directors Stock Plan, as amended and restated. [F2] Includes 3,181,240 shares of common stock underlying Restricted Stock Units ("RSUs"), all of which have vested (the receipt of which has been deferred) and does not include shares of common stock underlying unvested performance-based RSUs. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) Footnotes: [F3] Mr. William R. Berkley, Jr. is the manager of the limited liability company. Mr. William R. Berkley and certain family trusts are the owners of the limited liability company as set forth in the Schedule 13D/A dated March 5, 2026. [Holding #2] Security: Common Stock Ownership: I (Indirect) Footnotes: [F3] Mr. William R. Berkley, Jr. is the manager of the limited liability company. Mr. William R. Berkley and certain family trusts are the owners of the limited liability company as set forth in the Schedule 13D/A dated March 5, 2026. [Holding #3] Security: Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Represents award granted pursuant to the terms of the W. R. Berkley Corporation 2009 Directors Stock Plan, as amended and restated. F2: Includes 3,181,240 shares of common stock underlying Restricted Stock Units ("RSUs"), all of which have vested (the receipt of which has been deferred) and does not include shares of common stock underlying unvested performance-based RSUs. F3: Mr. William R. Berkley, Jr. is the manager of the limited liability company. Mr. William R. Berkley and certain family trusts are the owners of the limited liability company as set forth in the Schedule 13D/A dated March 5, 2026. --- Signature --- /s/ William R. Berkley, Jr. (2026-06-04)