MITSUI SUMITOMO INSURANCE CO LTD (CIK 0001142206)

Latest company ownership

WRB - BERKLEY W R CORP
Role: 10% Owner
Shares held
48,601,588
Last filed at
Dec 11, 2025
Confidence Score
80.0
2025Q4
Confidence Score History
2025Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 18, 2025 Dec 22, 2025 BERKLEY W R CORP 10% Owner Buy 90.0 +610,350 1.26% ✓ $42.5M