MITSUI SUMITOMO INSURANCE CO LTD bought WRB

February 26, 2026 · Form 4 insider transaction

MITSUI SUMITOMO INSURANCE CO LTD bought 145,491 shares of W. R. Berkley Corporation at $71.65 per share, a transaction worth $10.42M. The trade was recorded as open-market purchase under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Acquired (buy-side)
Shares
145,491
Price
$71.65
Total value
$10.42M
Role10% owner
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateFebruary 26, 2026
Filing dateFebruary 27, 2026
Shares owned after58,367,765
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

The purchases reported on this Form 4 were effected pursuant to a Rule 10b5-1 purchase plan, adopted October 3, 2025.; The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $71.3483 to $71.9977. The Reporting Persons undertake to provide to W.R. Berkley Corporation (the "Issuer"), any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote and in footnotes 4 and 5.; The shares are held directly by Mitsui Sumitomo Insurance Co., Ltd. ("MSI"). Because MSI is a wholly-owned subsidiary of MS&AD Insurance Group Holdings, Inc. ("MS&AD"), MS&AD may be deemed to beneficially own the reported securities. MS&AD expressly disclaims beneficial ownership of the reported securities, except to the extent of its pecuniary interest therein.

View the original Form 4 on SEC EDGAR