Welcome to our dedicated page for Markel Corporation SEC filings (Ticker: MKL), 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 Markel Group Inc. (NYSE: MKL) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures, including current reports, periodic reports, and other documents filed with the U.S. Securities and Exchange Commission. As a diversified group built around specialty insurance, industrial, financial, and consumer businesses, Markel Group uses its filings to present segment results, capital allocation, and key changes in financial reporting.
Among the filings, investors can find current reports on Form 8-K that announce material events, such as the release of quarterly and nine-month financial results and changes to segment reporting. For example, an 8-K filing describes notable changes to Markel Group’s financial reporting, including the re-segmentation of its businesses and the expansion of consolidated and segment financial metrics, accompanied by a Reporting Changes Guide furnished as an exhibit.
The filings set also includes Form 10-Q references, where Markel Group discusses operating revenues, operating income, adjusted operating income, and segment performance for Markel Insurance, Industrial, Financial, and Consumer and Other. These documents provide detailed information on how the company measures performance over time and how its specialty insurance operations support the broader system of businesses and investments.
Investors may also encounter specialized filings such as Form 15 related to specific plans. In one case, a Form 15 filing for the Costa Farms, LLC 401(k) Plan explains the termination of an investment option linked to Markel Group common shares and clarifies that this suspension of the plan’s reporting obligations does not affect Markel Group Inc.’s duty to file reports for its common shares.
On Stock Titan, these filings are paired with AI-powered summaries designed to highlight the main points of each document. Users can quickly see which exhibits were furnished with an 8-K, how segment results are evolving in quarterly reports, and how non-GAAP measures such as adjusted operating income are defined and used by the company. This page is a resource for understanding Markel Group’s regulatory history, segment disclosures, and the financial context behind its specialty insurance and diversified business activities.
Markel Group Inc. Chief Financial Officer Brian J. Costanzo reported acquiring additional common stock through an employee stock purchase plan. On December 31, 2025, he acquired 2.184 shares of Markel Group common stock at a price of $1,602.62 per share in a transaction classified as code J, with a footnote stating the shares were acquired under the qualified component of the MKL 2020 Employee Stock Purchase Plan in a transaction exempt under Exchange Act Rule 16b-3(c).
Following this transaction, Costanzo beneficially owned 956.5426 shares of common stock in direct ownership form and 223.836 shares held indirectly through a 401(k) plan, based on the plan balance as of December 31, 2025.
Markel Group Inc. director Steven A. Markel reported multiple open-market sales of Markel Group common stock on December 11, 2025. The transactions, coded as sales, involved small blocks of shares at prices including $2,100 and $2,129.98 per share and were effected under a Rule 10b5-1 trading plan adopted on August 15, 2025. After these sales, he directly beneficially owned 60,368 shares, held 2,060.699 shares through a Markel 401(k) plan as of September 30, 2025, and 15,000 additional shares were held by his spouse, for which beneficial ownership is expressly disclaimed.
Steven A. Markel filed a notice of proposed sale of common shares under Rule 144. The notice covers 1,330 common shares to be sold through Fidelity Brokerage Services LLC on or about December 11, 2025, with an aggregate market value of $2,818,429.32. The issuer had 12,610,250 common shares outstanding. During the past three months, Markel sold 70 and 100 common shares on November 26, 2025 and November 28, 2025 for gross proceeds of $147,000.00 and $210,000.00.
Markel Group Inc. Chief Executive Officer and director Thomas Sinnickson Gayner reported a small change in his holdings of Markel common stock. On 12/02/2025, 36.613 shares were disposed of in a transaction coded "F" at a price of $2,060.83 per share, typically indicating shares withheld to cover taxes on equity compensation.
After this transaction, he directly beneficially owned 52,257.7174 shares of common stock. In addition, 2,811.074 shares were held in a 401(k) plan, 446.66 shares were held by a trust, and 2,000 shares were held by his spouse, with beneficial ownership of these indirect holdings expressly disclaimed. The filing notes that 17.338 shares were acquired under the MKL 401(k) plan between December 31, 2024 and September 30, 2025, based on the plan balance as of September 30, 2025.
Markel Group Inc. officer Simon Wilson, CEO of Markel Insurance, reported a disposition of 94 shares of common stock on 12/02/2025. The transaction, coded "F," was recorded at a price of $2,060.83 per share.
Following this transaction, Wilson beneficially owns 1,675.6286 shares of Markel Group common stock, held directly. The filing was made as a Form 4 by a single reporting person and does not list any derivative securities activity.
Markel Group Inc. executive Michael R. Heaton, who serves as EVP & Chief Operating Officer, reported an insider transaction in the company’s common stock dated December 2, 2025. The filing shows a transaction coded “F” involving the disposition of 217.382 shares at a price of $2,060.83 per share. After this activity, Heaton beneficially owned 4,708.7382 shares directly and 161.261 shares indirectly through the MKL 401(k) plan. The filing also notes that between March 31, 2025 and September 30, 2025, Heaton acquired 2.649 shares under the MKL 401(k) plan, with information based on the plan balance as of September 30, 2025.
Markel Group Inc. senior vice president and chief legal officer Richard Randolph Grinnan reported a small change in his ownership of Markel Group common stock. On 12/02/2025, 138.006 shares were disposed of in a transaction coded “F,” which typically reflects shares withheld to cover taxes on equity awards, at a price of $2,060.83 per share. After this transaction, he directly beneficially owned 3,462.9199 shares and indirectly held 117.039 shares through the company’s 401(k) plan. The report also notes that between December 31, 2024 and September 30, 2025, he acquired 9.425 shares under the MKL 401(k) plan, based on the plan balance as of September 30, 2025.
Markel Group Inc. officer Andrew G. Crowley, President of Markel Ventures, reported a routine change in his ownership of Markel Group common stock on a Form 4 dated 12/02/2025. A transaction coded “F” shows the disposition of 64.771 shares at a price of $2,060.83, typically reflecting shares withheld to cover taxes on equity compensation.
After this transaction, Crowley directly held 1,913.7264 shares of Markel Group common stock and indirectly held 205.255 shares through the company’s 401(k) plan. The explanation notes that between June 30, 2025 and September 30, 2025 he acquired 2.293 shares under the MKL 401(k) plan, with balances reported as of September 30, 2025.
Markel Group Inc. chief financial officer reports a small stock transaction. On 12/02/2025, the CFO filed a Form 4 showing a disposition of 21.723 shares of Markel Group common stock in a transaction coded "F." After this transaction, the officer held 954.3586 shares of common stock directly.
The filing also notes indirect ownership of 223.838 shares through the MKL 401(k) plan, with this plan balance information stated as of September 30, 2025. The transaction reflects routine insider activity disclosed under securities regulations.
Markel Group Inc. director Steven A. Markel reported small open-market sales of company stock. On 11/26/2025, he sold 70 shares of Markel Group common stock at a price of $2,100 per share, and on 11/28/2025 he sold an additional 100 shares at $2,100 per share, both coded as sales. These transactions were executed under a Rule 10b5-1 trading plan adopted on August 15, 2025, which pre-schedules trades to help avoid trading on inside information.
After these sales, Steven A. Markel directly owned 61,698 shares of Markel Group common stock. In addition, he had 2,060.699 shares held indirectly through the MKL 401(k) plan, based on the plan balance as of September 30, 2025, and 15,000 shares reported as held indirectly by his spouse, for which beneficial ownership is expressly disclaimed.
FAQ
What is the current stock price of Markel Corporation (MKL)?
What is the market cap of Markel Corporation (MKL)?
