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W.R. Berkley Corporation

XNYS · FIRE, MARINE & CASUALTY INSURANCE · FIRE, MARINE & CASUALTY INSURANCE

1 article20 insider tx0 holders0 supply chain0 selling intent filings1 new insider

Research articles

Includes notes from domestic 8-K and foreign private issuer 6-K disclosures.

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Recent insider activity

Date Insider Title Type Shares Price Value
6/3/2026 BLAYLOCK RONALD E GRANT 3,090
6/3/2026 Augostini Christopher L GRANT 3,090
6/3/2026 Rusbuldt Robert Alan GRANT 3,090
6/3/2026 Farrell Mary C GRANT 3,090
6/3/2026 Mosley Daniel Lynn GRANT 3,090
6/3/2026 BERKLEY WILLIAM R JR President and CEO GRANT 3,090
6/3/2026 Mattson Marie Angela GRANT 3,090
6/3/2026 Ferre Maria Luisa GRANT 3,090
6/3/2026 BERKLEY WILLIAM R Executive Chairman GRANT 3,090
6/3/2026 Talisman Jonathan GRANT 3,090
3/3/2026 MITSUI SUMITOMO INSURANCE CO LTD BUY 38,991 $72 $2,791,604
3/3/2026 MITSUI SUMITOMO INSURANCE CO LTD BUY 73,185 $73 $5,307,654
3/2/2026 MITSUI SUMITOMO INSURANCE CO LTD BUY 45,103 $72 $3,260,288
3/2/2026 MITSUI SUMITOMO INSURANCE CO LTD BUY 100,897 $73 $7,385,459
2/27/2026 MITSUI SUMITOMO INSURANCE CO LTD BUY 147,000 $72 $10,528,963
2/26/2026 MITSUI SUMITOMO INSURANCE CO LTD BUY 145,491 $72 $10,423,848
2/26/2026 MITSUI SUMITOMO INSURANCE CO LTD BUY 7,509 $72 $541,504
2/25/2026 MITSUI SUMITOMO INSURANCE CO LTD BUY 154,512 $71 $11,030,874
2/25/2026 MITSUI SUMITOMO INSURANCE CO LTD BUY 14,356 $72 $1,030,336
2/24/2026 MITSUI SUMITOMO INSURANCE CO LTD BUY 103,192 $71 $7,277,430

New Insiders (Form 3)

Date Insider Title Relationship Shares Filing
6/4/2026 SEC
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