CIK 0000011544 · Large accelerated filer
BERKLEY W R CORP
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- WRB
- Exchange
- NYSE
- Industry
- Fire, Marine & Casualty Insurance
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 221867895
- Phone
- 2036293000
- Business address
- 475 STEAMBOAT ROAD, ., GREENWICH, CT, 06830
Securities
- WRB Common Stock NYSE
- WRB-PE 5.70% Subordinated Debentures due 2058 NYSE
- WRB-PF 5.10% Subordinated Debentures due 2059 NYSE
- WRB-PG 4.25% Subordinated Debentures due 2060 NYSE
- WRB-PH 4.125% Subordinated Debentures due 2061 NYSE
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-01-02 | MITSUI SUMITOMO INSURANCE CO LTD 10% owner | Purchase 10b5-1 | +237,734 | $69.35 | $16.5M | 50,764,245 |
| 2025-12-31 | MITSUI SUMITOMO INSURANCE CO LTD 10% owner | Purchase 10b5-1 | +230,000 | $70.27 | $16.2M | 50,526,511 |
| 2025-12-30 | MITSUI SUMITOMO INSURANCE CO LTD 10% owner | Purchase 10b5-1 | +205,000 | $70.83 | $14.5M | 50,296,511 |
| 2025-12-29 | MITSUI SUMITOMO INSURANCE CO LTD 10% owner | Purchase 10b5-1 | +205,000 | $70.77 | $14.5M | 50,091,511 |
| 2025-12-26 | MITSUI SUMITOMO INSURANCE CO LTD 10% owner | Purchase 10b5-1 | +220,000 | $70.56 | $15.5M | 49,886,511 |
| 2025-12-24 | MITSUI SUMITOMO INSURANCE CO LTD 10% owner | Purchase 10b5-1 | +220,000 | $70.51 | $15.5M | 49,666,511 |
| 2025-12-23 | MITSUI SUMITOMO INSURANCE CO LTD 10% owner | Purchase 10b5-1 | +232,546 | $70.31 | $16.4M | 49,444,484 |
| 2025-12-23 | MITSUI SUMITOMO INSURANCE CO LTD 10% owner | Purchase 10b5-1 | +2,027 | $71.15 | $144K | 49,446,511 |
| 2025-12-22 | MITSUI SUMITOMO INSURANCE CO LTD 10% owner | Purchase 10b5-1 | +39,940 | $69.97 | $2.8M | 49,049,878 |
| 2025-12-22 | MITSUI SUMITOMO INSURANCE CO LTD 10% owner | Purchase 10b5-1 | +162,060 | $70.33 | $11.4M | 49,211,938 |
| 2025-12-19 | MITSUI SUMITOMO INSURANCE CO LTD 10% owner | Purchase 10b5-1 | +204,000 | $69.50 | $14.2M | 49,009,938 |
| 2025-12-18 | MITSUI SUMITOMO INSURANCE CO LTD 10% owner | Purchase 10b5-1 | +204,350 | $69.38 | $14.2M | 48,805,938 |
| 2025-12-18 | SHIEL JAMES G EVP - Investments | Gift | −1,250 | 797,197 | ||
| 2025-08-15 | SHIEL JAMES G EVP - Investments | Grant or award | +16,126 | 799,191 | ||
| 2025-08-15 | SHIEL JAMES G EVP - Investments | Shares withheld for taxes | −744 | $71.24 | $53K | 798,447 |
| 2025-08-15 | Sgaglione Lucille T EVP | Grant or award | +16,126 | 241,753 | ||
| 2025-08-15 | Sgaglione Lucille T EVP | Shares withheld for taxes | −717 | $71.24 | $51K | 241,036 |
| 2025-08-15 | Welt Philip S EVP & Secretary | Grant or award | +16,126 | 201,217 | ||
| 2025-08-15 | Welt Philip S EVP & Secretary | Shares withheld for taxes | −678 | $71.24 | $48K | 200,539 |
| 2025-08-15 | Baio Richard Mark EVP & CFO | Grant or award | +16,126 | 214,919 |
Page 6 of 11 · 206 trades