Mitsui Sumitomo Insurance Co. Ltd. disclosed purchases of common stock in W.R. Berkley Corp. (NYSE: WRB) totaling $2.8 million, according to a Form 4 filed with the Securities and Exchange Commission. The company, identified in the filing as a roughly 10% owner of Berkley, executed multiple transactions on February 12 and February 13, 2026.
The trades occurred under a pre-established Rule 10b5-1 purchase plan that Mitsui Sumitomo adopted on October 3, 2025. The filing details the individual transactions and price ranges for each lot purchased.
On February 12, the insurer bought 17,599 shares at a weighted average price of $71.8808, with execution prices in that lot running from $71.4623 to $72.46. The same day it acquired an additional 2,401 shares at a weighted average of $72.7573, with execution prices between $72.465 and $73.0501.
Activity continued on February 13, when Mitsui Sumitomo purchased 15,406 shares at a weighted average price of $69.7349, with individual prices in that lot ranging from $69.3373 to $69.9996. It also bought 4,314 shares at a weighted average of $70.2977, with prices from $70.00 to $70.9521, and a smaller lot of 280 shares at a weighted average price of $71.1840, with prices spanning $71.0038 to $71.5014.
After these purchases settled, the filing reports Mitsui Sumitomo directly holds 56,596,652 shares of W.R. Berkley common stock. The filing does not provide further commentary from the buying party beyond confirming the trades were made pursuant to the previously adopted 10b5-1 plan.
Separately noted in the filing and related disclosures, W.R. Berkley reported fourth-quarter 2025 results in which the company’s revenue came in ahead of expectations while earnings per share were in line with analyst forecasts. The company also declared a regular quarterly cash dividend of $0.09 per share on its common stock, scheduled to be paid on March 4, 2026 to shareholders of record as of February 23, 2026.
These corporate disclosures together document recent insider activity by a large institutional shareholder, contemporaneous quarterly financial results, and a dividend commitment. The Form 4 provides a transaction-by-transaction record of the purchases, their timing, and price ranges, and the company’s earnings release and dividend notice supply the reported operational and shareholder-return details recorded for the fourth quarter of 2025.