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Mitsui Sumitomo Insurance Co Ltd's Form 4 filing

Berkley W R Corp (WRB) · filed Jan 7, 2026

Accession no.
0001193125-26-006715
Filed
Jan 7, 2026, 7:30 PM ET
Trade date
Jan 5-7, 2026
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 7 non-derivative transactions and 0 derivative transactions. Open-market purchases total $47.4M. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Mitsui Sumitomo Insurance Co LtdCIK 000114220610% Owner
MS&AD Insurance Group Holdings, Inc.CIK 000143104810% Owner

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Jan 5, 2026Common StockPPurchaseAcquired+11,350$69.20+$785,415.4650,775,595Direct
Jan 5, 2026Common StockPPurchaseAcquired+35,894$70.23+$2,520,918.1850,811,489Direct
Jan 5, 2026Common StockPPurchaseAcquired+153,686$70.78+$10,877,510.8750,965,175Direct
Jan 6, 2026Common StockPPurchaseAcquired+122,931$69.93+$8,596,294.3851,088,106Direct
Jan 6, 2026Common StockPPurchaseAcquired+92,357$70.21+$6,484,523.5151,180,463Direct
Jan 7, 2026Common StockPPurchaseAcquired+254,622$68.47+$17,433,382.7151,435,085Direct
Jan 7, 2026Common StockPPurchaseAcquired+10,378$69.20+$718,202.2351,445,463Direct

Footnotes

Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.

Read the original on SEC EDGAR (opens in a new tab)