FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
BERKLEY WILLIAM R
  2. Issuer Name and Ticker or Trading Symbol
BERKLEY W R CORP [WRB] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Chairman
(Last)
(First)
(Middle)
W. R. BERKLEY CORPORATION, 475 STEAMBOAT ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
08/15/2024
(Street)

GREENWICH, CT 06830		 4. If Amendment, Date Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4) 		7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/15/2024   A   120,430 (1) (2) A $ 0 17,257,521 (3) D  
Common Stock 08/15/2024   F   4,604 (4) D $ 57.75 17,252,917 (5) D  
Common Stock               67,069,033 (6) I By WR Berkley & Others LLC
Common Stock               1,350,000 (7) I By William R. Berkley 2011 GST Trust
Common Stock               204,364 (8) I By spouse

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5) 		6. Date Exercisable and Expiration Date
(Month/Day/Year) 		7. Title and Amount of Underlying Securities
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4) 		10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4) 		11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BERKLEY WILLIAM R
W. R. BERKLEY CORPORATION
475 STEAMBOAT ROAD
GREENWICH, CT 06830		   X   X   Executive Chairman  

Signatures

 William R. Berkley   08/19/2024
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) On July 10, 2024, the Company's common stock split on a 3-for-2 basis (the "Stock Split"). The number of securities acquired, disposed of, or beneficially owned reported on this Form reflect such Stock Split.
(2) Represents the vesting of tranches of shares of common stock underlying performance-based restricted stock units ("RSUs") granted in 2019, 2020 and 2021 under the W. R. Berkley Corporation 2018 Stock Incentive Plan for the three-year performance period ending June 30, 2024 (consisting of 37,826 shares; 43,766 shares; and 38,838 shares, respectively).
(3) Includes an increase of 5,712,363 shares of common stock beneficially owned by the reporting person resulting from the Stock Split, including 2,465,161 shares of common stock underlying vested RSUs (the receipt of which has been deferred) and does not include shares of common stock underlying unvested performance-based RSUs.
(4) Represents payment of tax liability by withholding securities incident to the vesting of RSUs.
(5) Includes 7,511,309 shares of common stock underlying vested RSUs (the receipt of which has been deferred) and does not include shares of common stock underlying unvested performance-based RSUs.
(6) Includes an increase of 22,356,344 shares of common stock beneficially owned resulting from the Stock Split.
(7) Includes an increase of 450,000 shares of common stock beneficially owned resulting from the Stock Split.
(8) Includes an increase of 68,121 shares of common stock beneficially owned resulting from the Stock Split.

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