Richard M. Baio - 15 Aug 2022 Form 4 Insider Report for BERKLEY W R CORP (WRB)

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WRB	Common Stock	Award	$0	+11,914	+12%	$0	108,506	15 Aug 2022	Direct	F1, F2
transaction	WRB	Common Stock	Tax liability	-$35,981	-547	-0.5%	$65.78	107,959	15 Aug 2022	Direct	F3, F4
holding	WRB	Common Stock						13,620	15 Aug 2022	By 401(k) Plan	F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	Represents the vesting of tranches of performance-based restricted stock units ("RSUs") granted in 2017, 2018 and 2019 under the W. R. Berkley Corporation 2018 Stock Incentive Plan (or its predecessor plan) for the three-year performance period ending June 30, 2022 (consisting of 3,905 shares; 4,323 shares; and 3,686 shares, respectively).
F2	On March 23, 2022, the Company's common stock split on a 3-for-2 basis (the "Stock Split"), resulting in an increase of 32,199 shares of common stock underlying vested RSUs beneficially owned by the reporting person.
F3	Represents payment of tax liability by withholding securities incident to the vesting of RSUs.
F4	Represents shares of common stock underlying RSUs, all of which have vested (the receipt of which has been deferred); and does not include unvested shares of common stock underlying performance-based RSUs.
F5	Includes an increase of 4,443 shares of common stock beneficially owned resulting from the Stock Split.