Company profile
BERKLEY W R CORP insider acquisitions
Company CIK 0000011544 · Reported insider acquisitions and filing context.
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.
No records are loaded for this 7-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.
12 dated transactions · 2 of 2 reporting owners shown. Select one owner to focus the chart.
View timeline as a table
| Transaction date | Company / security | Reporting owners | Acquisition type |
|---|---|---|---|
| Jan 2, 2026 | BERKLEY W R CORPCommon Stock | MITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc. | Purchase |
| Dec 31, 2025 | BERKLEY W R CORPCommon Stock | MITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc. | Purchase |
| Dec 30, 2025 | BERKLEY W R CORPCommon Stock | MITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc. | Purchase |
| Dec 29, 2025 | BERKLEY W R CORPCommon Stock | MITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc. | Purchase |
| Dec 26, 2025 | BERKLEY W R CORPCommon Stock | MITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc. | Purchase |
| Dec 24, 2025 | BERKLEY W R CORPCommon Stock | MITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc. | Purchase |
| Dec 23, 2025 | BERKLEY W R CORPCommon Stock | MITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc. | Purchase |
| Dec 23, 2025 | BERKLEY W R CORPCommon Stock | MITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc. | Purchase |
| Dec 22, 2025 | BERKLEY W R CORPCommon Stock | MITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc. | Purchase |
| Dec 22, 2025 | BERKLEY W R CORPCommon Stock | MITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc. | Purchase |
| Dec 19, 2025 | BERKLEY W R CORPCommon Stock | MITSUI SUMITOMO INSURANCE CO LTD · MS&AD Insurance Group Holdings, Inc. | Purchase |
| Dec 18, 2025 | BERKLEY W R CORPCommon Stock | MITSUI 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.
Choose a company listing
Choose a current company listing to view its price history.
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.
| Filed / transacted | Reporting owners | Type / security | Quantity | Price / reference value | Details |
|---|---|---|---|---|---|
| Trade: | MITSUI SUMITOMO INSURANCE CO LTD10% owner MS&AD Insurance Group Holdings, Inc.10% owner Joint filing · amounts unallocated | PurchaseCommon StockNon-derivative security · Code P | 237,734 | 69.3477 *Value: 16,486,306.1118Currency not specified | View ↗ |
| Trade: | MITSUI SUMITOMO INSURANCE CO LTD10% owner MS&AD Insurance Group Holdings, Inc.10% owner Joint filing · amounts unallocated | PurchaseCommon StockNon-derivative security · Code P | 230,000 | 70.2652 *Value: 16,160,996Currency not specified | View ↗ |
| Trade: | MITSUI SUMITOMO INSURANCE CO LTD10% owner MS&AD Insurance Group Holdings, Inc.10% owner Joint filing · amounts unallocated | PurchaseCommon StockNon-derivative security · Code P | 205,000 | 70.8284 *Value: 14,519,822Currency not specified | View ↗ |
| Trade: | MITSUI SUMITOMO INSURANCE CO LTD10% owner MS&AD Insurance Group Holdings, Inc.10% owner Joint filing · amounts unallocated | PurchaseCommon StockNon-derivative security · Code P | 205,000 | 70.7726 *Value: 14,508,383Currency not specified | View ↗ |
| Trade: | MITSUI SUMITOMO INSURANCE CO LTD10% owner MS&AD Insurance Group Holdings, Inc.10% owner Joint filing · amounts unallocated | PurchaseCommon StockNon-derivative security · Code P | 220,000 | 70.558 *Value: 15,522,760Currency not specified | View ↗ |
| Trade: | MITSUI SUMITOMO INSURANCE CO LTD10% owner MS&AD Insurance Group Holdings, Inc.10% owner Joint filing · amounts unallocated | PurchaseCommon StockNon-derivative security · Code P | 220,000 | 70.5093 *Value: 15,512,046Currency not specified | View ↗ |
| Trade: | MITSUI SUMITOMO INSURANCE CO LTD10% owner MS&AD Insurance Group Holdings, Inc.10% owner Joint filing · amounts unallocated | PurchaseCommon StockNon-derivative security · Code P | 2,027 | 71.1535 *Value: 144,228.1445Currency not specified | View ↗ |
| Trade: | MITSUI SUMITOMO INSURANCE CO LTD10% owner MS&AD Insurance Group Holdings, Inc.10% owner Joint filing · amounts unallocated | PurchaseCommon StockNon-derivative security · Code P | 232,546 | 70.3106 *Value: 16,350,448.7876Currency not specified | View ↗ |
| Trade: | MITSUI SUMITOMO INSURANCE CO LTD10% owner MS&AD Insurance Group Holdings, Inc.10% owner Joint filing · amounts unallocated | PurchaseCommon StockNon-derivative security · Code P | 162,060 | 70.3257 *Value: 11,396,982.942Currency not specified | View ↗ |
| Trade: | MITSUI SUMITOMO INSURANCE CO LTD10% owner MS&AD Insurance Group Holdings, Inc.10% owner Joint filing · amounts unallocated | PurchaseCommon StockNon-derivative security · Code P | 39,940 | 69.9716 *Value: 2,794,665.704Currency not specified | View ↗ |
| Trade: | MITSUI SUMITOMO INSURANCE CO LTD10% owner MS&AD Insurance Group Holdings, Inc.10% owner Joint filing · amounts unallocated | PurchaseCommon StockNon-derivative security · Code P | 204,000 | 69.503 *Value: 14,178,612Currency not specified | View ↗ |
| Trade: | MITSUI SUMITOMO INSURANCE CO LTD10% owner MS&AD Insurance Group Holdings, Inc.10% owner Joint filing · amounts unallocated | PurchaseCommon StockNon-derivative security · Code P | 204,350 | 69.3815 *Value: 14,178,109.525Currency not specified | View ↗ |
12 transactions on this page. Filing date, newest first.
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 →