MITSUI SUMITOMO INSURANCE CO LTD 4
4 · BERKLEY W R CORP · Filed Feb 25, 2026
Insider Transaction Report
Form 4
MITSUI SUMITOMO INSURANCE CO LTD
10% Owner
Transactions
- Purchase
Common Stock
[F1][F2][F3]2026-02-23$71.09/sh+203,590$14,473,844→ 57,872,210 total - Purchase
Common Stock
[F1][F4][F3]2026-02-23$71.80/sh+16,410$1,178,305→ 57,888,620 total - Purchase
Common Stock
[F1][F5][F3]2026-02-24$70.52/sh+103,192$7,277,430→ 57,991,812 total - Purchase
Common Stock
[F1][F6][F3]2026-02-24$71.28/sh+61,594$4,390,642→ 58,053,406 total - Purchase
Common Stock
[F1][F7][F3]2026-02-25$71.39/sh+154,512$11,030,874→ 58,207,918 total - Purchase
Common Stock
[F1][F8][F3]2026-02-25$71.77/sh+14,356$1,030,336→ 58,222,274 total
Footnotes (8)
- [F1]The purchases reported on this Form 4 were effected pursuant to a Rule 10b5-1 purchase plan, adopted October 3, 2025.
- [F2]The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $70.635 to $71.63. 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, 5, 6, 7 and 8.
- [F3]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.
- [F4]The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $71.6325 to $72.0067.
- [F5]The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $70.0004 to $70.9982.
- [F6]The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $71.0034 to $71.50.
- [F7]The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $70.7116 to $71.6998.
- [F8]The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $71.70 to $72.07.