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. (MSI), a 10% owner of W.R. Berkley Corporation, reported a series of open-market purchases of common stock on February 12–13, 2026 under a pre-arranged Rule 10b5-1 purchase plan adopted on October 3, 2025.
MSI bought multiple blocks of shares on those dates at weighted average prices, with transaction price ranges between $69.3373 and $73.0501. Following these trades, MSI directly held 56,596,652 shares of W.R. Berkley common stock. MS&AD Insurance Group Holdings, Inc. may be deemed to beneficially own these securities through MSI but expressly disclaims beneficial ownership except to the extent of its pecuniary interest.
Mitsui Sumitomo Insurance Co., Ltd. (MSI)W.R. Berkley Corporation, reported multiple open-market purchases of the company’s common stock from February 9 to 11, 2026. The trades were executed under a Rule 10b5-1 purchase plan adopted on October 3, 2025.
MSI bought several blocks of shares, including 35,952 shares at a weighted average price of $69.2744 and 11,163 shares at $71.4493 per share, at prices calculated as weighted averages over multiple trades. Following the reported transactions, MSI directly held 56,556,652 shares of W.R. Berkley common stock. MS&AD Insurance Group Holdings, Inc., MSI’s parent, 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 share purchases executed under a Rule 10b5-1 purchase plan adopted on October 3, 2025. On February 5 and 6, 2026, MSI bought blocks of common stock at weighted average prices between about $70.46 and $71.39 per share, in transactions of 6,528, 13,472, 15,694 and 4,306 shares.
Following these purchases, MSI was reported as directly holding 56,458,656 W. R. Berkley common shares. MS&AD Insurance Group Holdings, Inc., MSI’s parent, may be deemed to beneficially own these securities but expressly disclaims beneficial ownership except to the extent of its pecuniary interest.
Mitsui Sumitomo Insurance has filed Amendment No. 2 to its Schedule 13D for W. R. Berkley Corporation. Mitsui Sumitomo Insurance Co., Ltd. now beneficially owns 56,458,656 shares of common stock, representing 14.9% of the 380,021,174 shares outstanding as of October 28, 2025.
Between January 15, 2026 and February 6, 2026, Mitsui Sumitomo bought 3,732,152 shares in open-market transactions under a previously disclosed Rule 10b5-1 purchase plan with Jefferies LLC, for a total of $252,827,490.60 paid in cash. Parent company MS&AD Insurance Group Holdings, Inc. may be deemed to indirectly beneficially own these shares through its wholly owned subsidiary but disclaims beneficial ownership.
The filing notes that, under a Framework Agreement and LLC Agreement, the reporting persons may be deemed to share voting power over 67,069,033 additional shares (about 17.6%) held by WR Berkley & Others LLC (Family Holdings), while stating this is not an admission that they form a group with Family Holdings.
Mitsui Sumitomo Insurance Co., Ltd. (MSI)W. R. Berkley Corporation, reported multiple open-market purchases of WRB common stock on February 2–4, 2026. The trades, all coded "P", were executed under a pre-arranged Rule 10b5-1 purchase plan adopted on October 3, 2025.
Individual transactions included purchases such as 237,062 shares at a weighted average price of
Mitsui Sumitomo Insurance Co., Ltd., a 10% owner of W. R. Berkley Corporation, reported multiple open-market purchases of the issuer’s common stock on January 29–30, 2026 under a Rule 10b5-1 purchase plan adopted on October 3, 2025.
On January 29, 2026, Mitsui Sumitomo purchased 262,282 shares at a weighted average price of $68.0816 and 27,718 shares at $68.5605. On January 30, 2026, it purchased 195,000 shares at $68.3611, bringing its directly held position to 56,103,435 common shares. The filing notes that MS&AD Insurance Group Holdings, Inc., Mitsui Sumitomo’s parent, 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. (MSI), a 10% owner of W. R. Berkley Corporation, reported a series of open‑market common stock purchases under a pre‑arranged Rule 10b5‑1 plan adopted on October 3, 2025.
On January 26, 2026, MSI bought 293,611 shares at a weighted average price of
Following these transactions, MSI directly held up to 55,618,435 W. R. Berkley shares. Because MSI 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.
W. R. Berkley Corporation has furnished an update on its business by releasing its results of operations and financial condition for the fourth quarter of 2025. The company issued a press release on January 26, 2026 describing its quarterly performance.
The press release is included as Exhibit 99.1 to this current report and is incorporated by reference for detailed financial figures and commentary. The company notes that the information in this report is being furnished, rather than filed, so it is not subject to certain liability provisions of the federal securities laws.
Mitsui Sumitomo Insurance Co., Ltd. (MSI), a 10% owner of W. R. Berkley Corporation, reported sizable open‑market share purchases under a pre-set trading plan. On January 22, 2026, MSI bought 330,000 shares of W. R. Berkley common stock at a weighted average price of
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