Dudediligence.

W. R. Berkley Corporation

WRBNYSE · Fire, Marine & Casualty Insurance
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Reported ·

$705.5M

0 sales · 94 buys

Oct 2025 to Jun 2026

REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2025-12-18: MITSUI SUMITOMO INSURANCE CO LTD, bought2025-12-23: MITSUI SUMITOMO INSURANCE CO LTD, bought2025-12-30: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-01-05: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-01-08: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-01-12: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-01-15: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-01-20: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-01-22: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-01-26: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-01-29: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-02-02: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-02-05: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-02-09: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-02-12: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-02-17: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-02-19: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-02-23: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-02-26: MITSUI SUMITOMO INSURANCE CO LTD, bought2026-03-02: MITSUI SUMITOMO INSURANCE CO LTD, bought
under a ▲ buysize is dollars

Form 4 filings, newest first

2026-03-02MITSUI SUMITOMO INSURANCE CO LTD$18.7M
▲ bought258,176 sh10b5-1 planForm 4 ↗
2026-02-26MITSUI SUMITOMO INSURANCE CO LTD$21.5M
▲ bought300,000 sh10b5-1 planForm 4 ↗
2026-02-23MITSUI SUMITOMO INSURANCE CO LTD$39.4M
▲ bought553,654 sh10b5-1 planForm 4 ↗
2026-02-19MITSUI SUMITOMO INSURANCE CO LTD$35.7M
▲ bought505,582 sh10b5-1 planForm 4 ↗
2026-02-17MITSUI SUMITOMO INSURANCE CO LTD$40.2M
▲ bought566,386 sh10b5-1 planForm 4 ↗
2026-02-12MITSUI SUMITOMO INSURANCE CO LTD$2,837,178
▲ bought40,000 sh10b5-1 planForm 4 ↗
2026-02-09MITSUI SUMITOMO INSURANCE CO LTD$6,828,056
▲ bought97,996 sh10b5-1 planForm 4 ↗
2026-02-05MITSUI SUMITOMO INSURANCE CO LTD$2,835,202
▲ bought40,000 sh10b5-1 planForm 4 ↗
2026-02-02MITSUI SUMITOMO INSURANCE CO LTD$21.5M
▲ bought315,221 sh10b5-1 planForm 4 ↗
2026-01-29MITSUI SUMITOMO INSURANCE CO LTD$33.1M
▲ bought485,000 sh10b5-1 planForm 4 ↗
2026-01-26MITSUI SUMITOMO INSURANCE CO LTD$69.3M
▲ bought1,028,931 sh10b5-1 planForm 4 ↗
2026-01-22MITSUI SUMITOMO INSURANCE CO LTD$46.9M
▲ bought698,000 sh10b5-1 planForm 4 ↗
2026-01-20MITSUI SUMITOMO INSURANCE CO LTD$42.6M
▲ bought630,000 sh10b5-1 planForm 4 ↗
2026-01-15MITSUI SUMITOMO INSURANCE CO LTD$36.6M
▲ bought535,000 sh10b5-1 planForm 4 ↗
2026-01-12MITSUI SUMITOMO INSURANCE CO LTD$55.6M
▲ bought811,041 sh10b5-1 planForm 4 ↗
2026-01-08MITSUI SUMITOMO INSURANCE CO LTD$32.6M
▲ bought470,000 sh10b5-1 planForm 4 ↗
2026-01-05MITSUI SUMITOMO INSURANCE CO LTD$47.4M
▲ bought681,218 sh10b5-1 planForm 4 ↗
2025-12-30MITSUI SUMITOMO INSURANCE CO LTD$47.2M
▲ bought672,734 sh10b5-1 planForm 4 ↗
2025-12-23MITSUI SUMITOMO INSURANCE CO LTD$62.0M
▲ bought879,573 sh10b5-1 planForm 4 ↗
2025-12-18MITSUI SUMITOMO INSURANCE CO LTD$42.5M
▲ bought610,350 sh10b5-1 planForm 4 ↗