Director Mosley gains 3,090 WRB shares in equity award at W. R. Berkley (NYSE: WRB)

Rhea-AI Filing Summary

Mosley Daniel Lynn reported acquisition or exercise transactions in this Form 4 filing.

BERKLEY W R CORP director Daniel Lynn Mosley received a grant of 3,090 shares of Common Stock as board compensation. The award was granted on June 3, 2026 under the W. R. Berkley Corporation 2009 Directors Stock Plan, as amended and restated. The shares were issued at a stated price of $0.00 per share as an equity award rather than a market purchase. Following this grant, Mosley directly holds a total of 14,885 shares of the company’s Common Stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Mosley Daniel Lynn

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	3,090	$0.00	--

Holdings After Transaction: Common Stock — 14,885 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares granted: 3,090 shares Price per share: $0.00 per share Shares held after: 14,885 shares

3 metrics

Shares granted 3,090 shares Director stock award on June 3, 2026

Price per share $0.00 per share Stated grant price for equity award

Shares held after 14,885 shares Mosley direct holdings following grant

Key Terms

Common Stock, Grant, award, or other acquisition, W. R. Berkley Corporation 2009 Directors Stock Plan

3 terms

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

W. R. Berkley Corporation 2009 Directors Stock Plan financial

"Represents award granted pursuant to the terms of the W. R. Berkley Corporation 2009 Directors Stock Plan, as amended and restated."

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mosley Daniel Lynn

(Last) (First) (Middle)

W. R. BERKLEY CORPORATION

475 STEAMBOAT ROAD

(Street)

GREENWICH CONNECTICUT 06830

(City) (State) (Zip)

UNITED STATES

(Country)

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		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	06/03/2026		A		3,090(1)	A	$0	14,885	D

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Represents award granted pursuant to the terms of the W. R. Berkley Corporation 2009 Directors Stock Plan, as amended and restated.

	Daniel L. Mosley	06/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did WRB director Daniel Lynn Mosley report?

Daniel Lynn Mosley reported receiving a grant of 3,090 shares of W. R. Berkley Common Stock. The award was issued as director compensation, not an open-market purchase, and increased his direct holdings to 14,885 shares following the transaction.

Was Mosley’s WRB stock grant an open-market purchase or compensation award?

Mosley’s 3,090-share transaction was a compensation award, not an open-market purchase. The Form 4 identifies it as a grant under the W. R. Berkley Corporation 2009 Directors Stock Plan, with a stated price of $0.00 per share.

How many WRB shares does Daniel Lynn Mosley own after this Form 4 transaction?

After receiving the 3,090-share award, Daniel Lynn Mosley directly owns 14,885 shares of W. R. Berkley Common Stock. This total reflects his direct holdings immediately following the reported director stock plan grant on June 3, 2026.

What plan governed the WRB stock grant reported by Daniel Lynn Mosley?

The 3,090-share grant to Daniel Lynn Mosley was made under the W. R. Berkley Corporation 2009 Directors Stock Plan, as amended and restated. This plan provides equity awards to directors instead of cash, aligning their compensation with shareholder interests.

What is the transaction code and meaning on Daniel Lynn Mosley’s WRB Form 4?

The Form 4 uses transaction code “A,” indicating a grant, award, or other acquisition. In this case, it reflects a 3,090-share director stock grant, not a market trade, which increased Mosley’s direct ownership in W. R. Berkley.