Welcome to our dedicated page for W.R Berkley SEC filings (Ticker: WRB), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The W. R. Berkley Corporation (WRB) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. W. R. Berkley is a Delaware-incorporated insurance holding company whose common stock trades on the New York Stock Exchange under the symbol WRB, alongside several series of subordinated debentures listed under symbols such as WRB-PE, WRB-PF, WRB-PG, and WRB-PH, as noted in its Form 8-K filings.
Through this page, users can review current reports on Form 8-K in which W. R. Berkley reports material events. Recent 8-K filings referenced in the supplied data include announcements of quarterly results, where the company incorporates its earnings press releases by reference, and an 8-K describing Mitsui Sumitomo Insurance Co., Ltd.’s acquisition of beneficial ownership of a portion of W. R. Berkley’s outstanding common stock. These filings also confirm key details such as the company’s jurisdiction of incorporation and the listing of its securities on the New York Stock Exchange.
In addition to 8-Ks, investors typically look to annual reports on Form 10-K and quarterly reports on Form 10-Q for information on segment performance, underwriting results, investment income, risk factors, and capital structure. While those specific forms are not reproduced in the provided text, they are part of the company’s broader SEC reporting framework referenced in its Safe Harbor statements, which direct readers to risks and uncertainties detailed in its SEC filings.
Stock Titan enhances access to these documents with AI-powered summaries that help explain the key points in lengthy filings, highlight important items such as segment results and capital actions, and make it easier to understand complex disclosures. Users can also monitor filings related to the company’s listed debt securities and any future insider transaction reports on Form 4, all in one place with real-time updates from the EDGAR system.
Mitsui Sumitomo Insurance Co., Ltd., a 10% owner of W. R. Berkley Corporation, reported open-market purchases of the company’s common stock over two days in January 2026 under a pre-arranged Rule 10b5‑1 trading plan adopted on October 3, 2025. On January 20, 2026, it bought 265,006 shares at a weighted average price of $67.7506 and 44,994 shares at $68.0772. On January 21, 2026, it purchased 59,002 shares at $66.9526 and 260,998 shares at $67.6032, for an aggregate 630,000 shares across both days. Following these transactions, the reporting persons show beneficial ownership of 53,891,504 shares. The filing notes that the shares are held directly by Mitsui Sumitomo Insurance Co., Ltd., and that MS&AD Insurance Group Holdings, Inc. may be deemed to beneficially own them but expressly disclaims beneficial ownership except to the extent of its pecuniary interest.
Mitsui Sumitomo Insurance Co., Ltd., a 10% owner of W.R. Berkley Corporation, reported a series of open-market purchases of the company’s common stock. On January 15, 2026, it bought blocks of 166,907 shares at
The filing states these purchases were made under a Rule 10b5-1 purchase plan adopted on
Mitsui Sumitomo Insurance Co., Ltd. and MS&AD Insurance Group Holdings, Inc. have updated their ownership disclosure for W. R. Berkley Corporation. Mitsui Sumitomo purchased 4,124,916 shares of common stock in the open market between December 18, 2025 and January 14, 2026 for an aggregate
Following these transactions, Mitsui Sumitomo beneficially owns 52,726,504 shares of W. R. Berkley common stock, representing
Mitsui Sumitomo Insurance Co., Ltd., a more than 10% owner of W.R. Berkley Corporation, reported multiple open-market purchases of W.R. Berkley common stock. On January 12, 2026, it bought 256,041 shares at a weighted average price of
Mitsui Sumitomo Insurance Co., Ltd., a 10% owner of W. R. Berkley Corporation, reported open-market purchases of the issuer’s common stock on January 8 and 9, 2026 under a Rule 10b5-1 purchase plan adopted on October 3, 2025. On those dates, Mitsui Sumitomo bought several blocks of shares at weighted average prices ranging from about $68.48 to $70.32 per share. Following the final reported trade, the filing shows 51,915,463 shares of W. R. Berkley common stock beneficially owned in direct form. Because Mitsui Sumitomo is a wholly owned subsidiary of MS&AD Insurance Group Holdings, Inc., MS&AD may be deemed to beneficially own these securities but expressly disclaims beneficial ownership except to the extent of its pecuniary interest.
Mitsui Sumitomo Insurance Co., Ltd., a 10% owner of W.R. Berkley Corporation, reported a series of open-market purchases of W.R. Berkley common stock executed under a Rule 10b5-1 purchase plan adopted on October 3, 2025.
On January 5–7, 2026, Mitsui Sumitomo recorded multiple buy transactions, including 153,686 shares at a weighted average price of $70.7775 on January 5 and 254,622 shares at a weighted average price of $68.4677 on January 7. Following the final reported trade, Mitsui Sumitomo is shown as beneficially owning 51,445,463 W.R. Berkley common shares directly.
The filing notes that these prices are weighted averages for numerous trades within stated price ranges and that additional detail is available on request. It also states that Mitsui Sumitomo is a wholly owned subsidiary of MS&AD Insurance Group Holdings, Inc., which may be deemed to beneficially own the securities but expressly disclaims beneficial ownership except to the extent of its pecuniary interest.
W.R. Berkley Corporation insider Mitsui Sumitomo Insurance Co., Ltd., together with MS&AD Insurance Group Holdings, reported sizable open-market purchases of common stock under a pre-arranged Rule 10b5-1 trading plan adopted on October 3, 2025. On December 30, 2025, the reporting persons bought 205,000 shares at a weighted average price of $70.8284, bringing their beneficial holdings to 50,296,511 shares. On December 31, 2025, they purchased another 230,000 shares at a weighted average price of $70.2652, increasing holdings to 50,526,511 shares. On January 2, 2026, they bought a further 237,734 shares at a weighted average price of $69.3477, resulting in beneficial ownership of 50,764,245 shares held directly by Mitsui Sumitomo Insurance. The reporting persons state these prices reflect multiple trades within disclosed price ranges and clarify that MS&AD’s interest is through its wholly owned subsidiary.
Mitsui Sumitomo Insurance Co., Ltd., a director of W.R. Berkley Corporation, reported a series of open‑market purchases of WRB common stock in late December 2025. On December 23, 2025, it bought 232,546 shares at a weighted average price of $70.3106 and 2,027 shares at $71.1535. Additional purchases of 220,000 shares were made on December 24 and December 26, and 205,000 shares on December 29, at weighted average prices between $70.5093 and $70.7726. After these transactions, Mitsui Sumitomo reported beneficial ownership of 50,091,511 WRB shares held directly. The trades were executed under a Rule 10b5‑1 purchase plan adopted on October 3, 2025, and the filing notes that prices reflect weighted averages over multiple trades within stated ranges.
Mitsui Sumitomo Insurance Co., Ltd. (MSI)MS&AD Insurance Group Holdings, Inc., reported open-market purchases of W. R. Berkley Corporation common stock. On December 18, 2025, MSI bought 204,350 shares at a weighted average price of
On December 22, 2025, MSI purchased 39,940 shares at a weighted average price of
W. R. Berkley Corporation executive reports charitable stock donation. An executive vice president for investments of W. R. Berkley Corporation filed a report of a non-market transaction involving the company’s common stock. On December 18, 2025, the reporting person donated 1,250 directly owned shares of W. R. Berkley common stock to a donor-advised fund for charitable purposes.
After this donation, the reporting person beneficially owned 797,197 shares directly, which includes 647,032 shares of common stock underlying vested restricted stock units for which receipt has been deferred, and separately 208,000 shares held indirectly through a 2022 SLAT. The transaction was reported as a gift with a price of $0 per share, reflecting its non-sale, charitable nature.
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