Company profile

BERKLEY W R CORP insider acquisitions

Company CIK 0000011544 · Reported insider acquisitions and filing context.

Company filings at SEC ↗
WRB · NYSEWRB-PE · NYSEWRB-PF · NYSEWRB-PG · NYSEWRB-PH · NYSE

These are company listings. A transaction is linked to a particular security only when the filing provides enough information.

Company activity summary

By transaction date, as of October 23, 2026.

7 days30 days90 daysOverlapping periods · securities and currencies kept separate

No records are loaded for this 90-day transaction window. This does not establish that no transactions occurred.

Known purchase value sums available amounts for non-derivative purchases only. Missing amounts are excluded. “Currency not specified” does not establish that the amounts share a currency. These summaries use all matching loaded records, while the timeline below covers only the current page.

Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.MITSUI SUMITOMO INSURANCE CO LTDMITSUI SUMITOMO INSURANCE…MS&AD Insurance Group Holdings, Inc.MS&AD Insurance Group Hol…MITSUI SUMITOMO INSURANCE CO LTD · January 2, 2026 · Purchase · Common StockMS&AD Insurance Group Holdings, Inc. · January 2, 2026 · Purchase · Common StockMITSUI SUMITOMO INSURANCE CO LTD · December 31, 2025 · Purchase · Common StockMS&AD Insurance Group Holdings, Inc. · December 31, 2025 · Purchase · Common StockMITSUI SUMITOMO INSURANCE CO LTD · December 30, 2025 · Purchase · Common StockMS&AD Insurance Group Holdings, Inc. · December 30, 2025 · Purchase · Common StockMITSUI SUMITOMO INSURANCE CO LTD · December 29, 2025 · Purchase · Common StockMS&AD Insurance Group Holdings, Inc. · December 29, 2025 · Purchase · Common StockMITSUI SUMITOMO INSURANCE CO LTD · December 26, 2025 · Purchase · Common StockMS&AD Insurance Group Holdings, Inc. · December 26, 2025 · Purchase · Common StockMITSUI SUMITOMO INSURANCE CO LTD · December 24, 2025 · Purchase · Common StockMS&AD Insurance Group Holdings, Inc. · December 24, 2025 · Purchase · Common StockMITSUI SUMITOMO INSURANCE CO LTD · December 23, 2025 · Purchase · Common StockMS&AD Insurance Group Holdings, Inc. · December 23, 2025 · Purchase · Common StockMITSUI SUMITOMO INSURANCE CO LTD · December 23, 2025 · Purchase · Common StockMS&AD Insurance Group Holdings, Inc. · December 23, 2025 · Purchase · Common StockMITSUI SUMITOMO INSURANCE CO LTD · December 22, 2025 · Purchase · Common StockMS&AD Insurance Group Holdings, Inc. · December 22, 2025 · Purchase · Common StockMITSUI SUMITOMO INSURANCE CO LTD · December 22, 2025 · Purchase · Common StockMS&AD Insurance Group Holdings, Inc. · December 22, 2025 · Purchase · Common StockMITSUI SUMITOMO INSURANCE CO LTD · December 19, 2025 · Purchase · Common StockMS&AD Insurance Group Holdings, Inc. · December 19, 2025 · Purchase · Common StockMITSUI SUMITOMO INSURANCE CO LTD · December 18, 2025 · Purchase · Common StockMS&AD Insurance Group Holdings, Inc. · December 18, 2025 · Purchase · Common StockDec 18, 2025Jan 2, 2026
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

12 dated transactions · 2 of 2 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Jan 2, 2026BERKLEY W R CORPCommon StockMITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc.Purchase
Dec 31, 2025BERKLEY W R CORPCommon StockMITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc.Purchase
Dec 30, 2025BERKLEY W R CORPCommon StockMITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc.Purchase
Dec 29, 2025BERKLEY W R CORPCommon StockMITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc.Purchase
Dec 26, 2025BERKLEY W R CORPCommon StockMITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc.Purchase
Dec 24, 2025BERKLEY W R CORPCommon StockMITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc.Purchase
Dec 23, 2025BERKLEY W R CORPCommon StockMITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc.Purchase
Dec 23, 2025BERKLEY W R CORPCommon StockMITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc.Purchase
Dec 22, 2025BERKLEY W R CORPCommon StockMITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc.Purchase
Dec 22, 2025BERKLEY W R CORPCommon StockMITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc.Purchase
Dec 19, 2025BERKLEY W R CORPCommon StockMITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc.Purchase
Dec 18, 2025BERKLEY W R CORPCommon StockMITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc.Purchase

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Share price & reported acquisitions

Daily closing prices from a separate source. The date window above also filters prices; reporting-owner and transaction-type selections filter the markers.

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Currency not specified. A marker uses that day's closing price, not the reported transaction price. No price is substituted for a missing trading day.

Reported acquisitions

Filing-date filters apply to the list and timeline. The summary above uses transaction dates.

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Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedReporting ownersType / securityQuantityPrice / reference valueDetails
Trade: Joint filing · amounts unallocatedPurchaseCommon StockNon-derivative security · Code P237,73469.3477 *Value: 16,486,306.1118Currency not specifiedView ↗
Trade: Joint filing · amounts unallocatedPurchaseCommon StockNon-derivative security · Code P230,00070.2652 *Value: 16,160,996Currency not specifiedView ↗
Trade: Joint filing · amounts unallocatedPurchaseCommon StockNon-derivative security · Code P205,00070.8284 *Value: 14,519,822Currency not specifiedView ↗
Trade: Joint filing · amounts unallocatedPurchaseCommon StockNon-derivative security · Code P205,00070.7726 *Value: 14,508,383Currency not specifiedView ↗
Trade: Joint filing · amounts unallocatedPurchaseCommon StockNon-derivative security · Code P220,00070.558 *Value: 15,522,760Currency not specifiedView ↗
Trade: Joint filing · amounts unallocatedPurchaseCommon StockNon-derivative security · Code P220,00070.5093 *Value: 15,512,046Currency not specifiedView ↗
Trade: Joint filing · amounts unallocatedPurchaseCommon StockNon-derivative security · Code P2,02771.1535 *Value: 144,228.1445Currency not specifiedView ↗
Trade: Joint filing · amounts unallocatedPurchaseCommon StockNon-derivative security · Code P232,54670.3106 *Value: 16,350,448.7876Currency not specifiedView ↗
Trade: Joint filing · amounts unallocatedPurchaseCommon StockNon-derivative security · Code P162,06070.3257 *Value: 11,396,982.942Currency not specifiedView ↗
Trade: Joint filing · amounts unallocatedPurchaseCommon StockNon-derivative security · Code P39,94069.9716 *Value: 2,794,665.704Currency not specifiedView ↗
Trade: Joint filing · amounts unallocatedPurchaseCommon StockNon-derivative security · Code P204,00069.503 *Value: 14,178,612Currency not specifiedView ↗
Trade: Joint filing · amounts unallocatedPurchaseCommon StockNon-derivative security · Code P204,35069.3815 *Value: 14,178,109.525Currency not specifiedView ↗

Reporting owners are associated with a filing. Jointly reported amounts are not allocated to individual owners. Historical coverage is still being built. Read the methodology →