Every Form 4 that Markel Group Inc. (MKL) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow MKL and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full MKL filings page.
Markel Group Inc. Chief Financial Officer Brian J. Costanzo reported modest increases in his equity holdings. On June 30, 2026 he acquired 2.1642 shares of common stock at $1,617.19 per share through the qualified component of the MKL 2020 Employee Stock Purchase Plan, bringing his direct holdings to 1,632.2394 shares. Between March 31 and June 30, 2026 he also acquired 3.269 shares in the MKL 401(k) plan, for an indirect balance of 229.5920 shares as of June 30, 2026.
MARKEL GROUP INC. executive Andrew G. Crowley, EVP & President of Markel Ventures, reported acquiring additional Common Stock through company plans. On June 30 and July 15, 2026, he acquired a total of 10.2971 shares at $1,617.1900 and $1,730.4900 per share under the MKL 2020 Employee Stock Purchase Plan. He now holds 2,748.6526 shares directly and 214.4200 shares indirectly in a MKL 401(k) plan, including 5.121 shares acquired there between March 31 and June 30, 2026.
MARKEL GROUP INC. director Mark Besca reported acquiring 80.904 shares of common stock at $1,668.65 per share. The shares were obtained through the MKL 2020 Employee Stock Purchase Plan, indicating a routine, plan-based acquisition rather than an open-market trade.
Following this transaction, Besca directly holds a total of 1,222.1565 common shares. The added shares represent a relatively small increase in his overall stake and reflect ongoing participation in the company’s employee stock purchase program.
MARKEL GROUP INC. director Morgan E. Housel reported a small, routine change in holdings through an employee stock purchase plan. On June 15, 2026, he acquired 65.9218 shares of common stock at $1,668.65 per share under the MKL 2020 Employee Stock Purchase Plan. After this transaction, he directly holds 1,028.9718 shares of Markel common stock. This reflects a compensation-related purchase rather than an open-market trade.
MARKEL GROUP INC. director Diane Leopold reported updated holdings of the company’s common stock. A Form 4 entry shows an “other” transaction involving 65.9218 shares at $1668.65 per share, acquired pursuant to the MKL 2020 Employee Stock Purchase Plan, bringing her direct holdings to 2345.0211 shares. She also reports 550 shares held indirectly by her spouse, for which beneficial ownership is expressly disclaimed.
MARKEL GROUP INC. director Michael Jonathan E reported an acquisition of common stock under an employee stock purchase program. On June 15, 2026, he acquired 65.9218 shares of common stock pursuant to the MKL 2020 Employee Stock Purchase Plan, as noted in the footnote.
Following this compensation-related transaction, his direct ownership increased to 332.7271 shares of Markel common stock. The filing classifies the event under the Form 4 code "J", indicating an other type of acquisition or disposition rather than an open-market trade.
Markel Group Inc. director Harold Lawrence Morrison Jr. acquired 32.9609 shares of common stock in a routine transaction under the MKL 2020 Employee Stock Purchase Plan. The shares were priced at $1,668.65 per share. Following this plan-based acquisition, he directly holds a total of 1,126.9644 Markel common shares.
Director Lawrence A. Cunningham reported a small change in his holdings of MARKEL GROUP INC. common stock. On June 15, 2026, he acquired 32.9609 shares at $1,668.65 per share through the MKL 2020 Employee Stock Purchase Plan. After this transaction, he directly holds 1,041.799 shares of Markel Group common stock.
MARKEL GROUP INC. director Lynne A. Puckett acquired additional common stock through the MKL 2020 Employee Stock Purchase Plan. She obtained 65.9218 shares at $1,668.65 per share, bringing her direct holdings to 507.402 shares. She also has indirect ownership of 1,463 shares held by a trust for which she and her spouse are co-trustees and beneficiaries.
Markel Group director Michael O’Reilly acquired 89.8933 shares of Common Stock at $1,668.65 per share. The shares were obtained pursuant to the MKL 2020 Employee Stock Purchase Plan, indicating a routine, compensation-related transaction. After this activity, his direct holdings total 3,934.6574 shares.
Markel Group director Greta J. Harris reported selling a total of 76 shares of Markel Group common stock in open-market transactions on May 22, 2026. The sales were executed in three small blocks at weighted average prices between about $1,846 and $1,849 per share.
MICHAEL JONATHAN E reported acquisition or exercise transactions in this Form 4 filing.
MARKEL GROUP INC. director Michael Jonathan E reported receiving a grant of 89 shares of Common Stock as restricted stock under the MKL 2024 Equity Incentive Compensation Plan. The award was made at no cash cost per share and is compensation-related rather than an open-market purchase.
The restricted shares will vest, subject to certain conditions, on May 20, 2027. Following this grant, his directly held Common Stock position reported in this filing increased to 266.8053 shares.
Morrison Harold Lawrence Jr. reported acquisition or exercise transactions in this Form 4 filing.
MARKEL GROUP INC. director Harold Lawrence Morrison Jr. received a grant of 89 shares of restricted common stock as equity compensation. The award was granted at no cash cost to him and will vest, subject to conditions, on May 20, 2027. Following this grant, he directly holds a total of 1,094.0035 common shares, reflecting a routine stock-based compensation award rather than an open-market purchase.
MARKEL GROUP INC. director Mark Besca reported receiving a grant of 89 shares of common stock as equity compensation. The shares were awarded at a price of $0.00 per share and increased his directly held position to 1,141.2525 shares after the transaction.
The award is structured as restricted stock granted under the MKL 2024 Equity Incentive Compensation Plan and will vest, subject to certain conditions, on May 20, 2027. This is a routine compensation-related acquisition rather than an open-market purchase.
Harris Greta J reported acquisition or exercise transactions in this Form 4 filing.
MARKEL GROUP INC. director Greta J. Harris received a grant of 89 shares of common stock as equity compensation at no cash cost to her. These restricted shares were issued under the MKL 2024 Equity Incentive Compensation Plan and will vest, subject to certain conditions, on May 20, 2027. Following this grant, she directly holds 721 shares of Markel Group common stock.
Cunningham Lawrence A reported acquisition or exercise transactions in this Form 4 filing.
MARKEL GROUP INC. director Lawrence A. Cunningham received an award of 89 shares of common stock on May 20, 2026. This was a restricted stock grant under the MKL 2024 Equity Incentive Compensation Plan at no cash cost to him.
The restricted shares will vest, subject to certain conditions, on May 20, 2027. After this grant, Cunningham directly holds a total of 1,008.8381 shares of Markel common stock, reflecting a routine equity-based compensation award rather than an open-market purchase.
OREILLY MICHAEL reported acquisition or exercise transactions in this Form 4 filing.
MARKEL GROUP INC. director Michael O’Reilly received a grant of 89 shares of common stock as equity compensation. The award was made at no cash cost to him and increased his direct holdings to about 3,844.7641 shares.
The footnote explains this is restricted stock granted under the MKL 2024 Equity Incentive Compensation Plan. These shares are scheduled to vest on May 20, 2027, provided specified conditions are met, which makes this a standard, long-term incentive grant rather than an open-market purchase or sale.
Housel Morgan E. reported acquisition or exercise transactions in this Form 4 filing.
MARKEL GROUP INC. director Morgan E. Housel received a grant of 89 shares of restricted common stock at no cost as equity compensation. After this award, he directly holds 963.05 shares. The restricted stock was granted under the MKL 2024 Equity Incentive Compensation Plan and will vest on May 20, 2027, subject to certain conditions.
Puckett A. Lynne reported acquisition or exercise transactions in this Form 4 filing.
Markel Group Inc. director Lynne Puckett reported an equity compensation grant of 89 shares of common stock, classified as restricted stock awarded at $0.00 per share under the MKL 2024 Equity Incentive Compensation Plan.
These restricted shares are scheduled to vest, subject to certain conditions, on May 20, 2027. Following the grant, she directly holds 441.4802 shares of Markel common stock and indirectly holds 1,463 shares through a trust where she and her spouse are co-trustees and beneficiaries.
Leopold Diane reported acquisition or exercise transactions in this Form 4 filing.
MARKEL GROUP INC. director Diane Leopold reported a compensation-related stock grant and updated holdings. She received 89 shares of Common Stock as a restricted stock award at $0.00 per share under the MKL 2024 Equity Incentive Compensation Plan, bringing her direct holdings to 2,279.0993 shares. The restricted shares will vest, subject to certain conditions, on May 20, 2027. The filing also reflects 550 shares of Common Stock held indirectly through her spouse, for which beneficial ownership is expressly disclaimed.
MARKEL GROUP INC. Chief Executive Officer Thomas Sinnickson Gayner reported updated holdings of the company’s Common Stock. The primary activity was an F-code tax-withholding disposition, where 481.668 shares were withheld at $1844.0000 per share to satisfy exercise price or tax liabilities, leaving 56,259.6654 shares held directly.
The filing also lists indirect holdings, including 2,024 shares held by his spouse, 422.6600 shares held by a trust, and 2,822.2880 shares in a 401(k) Plan. A footnote notes that 11.218 shares were acquired under the MKL 401(k) plan between December 31, 2025 and March 31, 2026, based on the plan balance as of March 31, 2026, and states that beneficial ownership of certain securities is expressly disclaimed.
Markel Group Inc. senior vice president and chief legal officer Richard Randolph Grinnan reported routine share movements involving company stock. The filing shows a tax-withholding disposition of 116.358 shares of common stock at $1844.0000 per share to satisfy exercise price or tax liabilities, after which he directly held 4,147.0699 shares.
He also reported indirect ownership of 120.3240 shares held through a 401(k) plan. A footnote explains that 3.225 shares were acquired under the Markel 401(k) plan between December 31, 2025 and March 31, 2026, and that the 401(k) information reflects the plan balance as of March 31, 2026. The transactions are administrative and compensation-related rather than open-market trades.
MARKEL GROUP INC. executive Andrew G. Crowley reported routine share movements related to compensation and retirement plans. He acquired 60.2555 shares of common stock at $1,659.60 per share under the non-qualified component of the MKL 2020 Employee Stock Purchase Plan, and 74.866 shares were disposed of to cover tax obligations at $1,844.00 per share. Following these transactions, he directly holds 2,678.100 shares of common stock and indirectly holds 209.299 shares through a 401(k) plan based on the plan balance as of March 31, 2026. These are not open-market purchases or sales but plan-related adjustments.
Markel Group Inc. Chief Financial Officer Brian J. Costanzo reported routine changes in his Markel holdings. On May 15, 2026, he acquired 30.1277 shares of Common Stock at $1,659.60 per share in an "other" transaction, with a footnote stating these shares were acquired under the non-qualified component of the MKL 2020 Employee Stock Purchase Plan. On the same date, 13.08 shares were disposed of at $1,844.00 per share as a tax-withholding disposition, meaning shares were delivered to cover tax obligations rather than sold in the open market. Following these transactions, he directly owned 1,630.0752 shares of Markel Common Stock. He also indirectly held 226.3230 shares through a 401(k) Plan, with that balance reported as of March 31, 2026.
MARKEL GROUP INC. director Diane Leopold reported open-market purchases of the company’s common stock. She bought 100 shares on May 6, 2026 at $1,792.61 per share, bringing her directly held stake to 2,190.0993 shares. On May 7, 2026, 50 additional shares were purchased at $1,789.19 per share and are held indirectly through her spouse, totaling 550 indirectly held shares. A footnote states that beneficial ownership of these securities is expressly disclaimed.
MARKEL GROUP INC. director Lynne A. Puckett reported an open-market purchase of 57 shares of Common Stock on May 1, 2026 at $1,795.53 per share. The shares were acquired indirectly through a trust where she and her spouse are co-trustees and beneficiaries.
After this transaction, the filing shows 352.4802 shares of Common Stock held directly and 1,463 shares held indirectly by the trust. This reflects a modest increase in her overall ownership stake in Markel Group.
MARKEL GROUP INC. executive Andrew G. Crowley reported small, routine equity acquisitions tied to employee benefit plans. On March 31, 2026, he acquired 9.2196 shares of common stock at $1,626.96 per share 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, he held 2,752.966 shares directly. Separately, his indirect holdings through the MKL 401(k) plan totaled 205.252 shares as of March 31, 2026, including 4.047 shares acquired in the plan between December 31, 2025 and March 31, 2026.
MARKEL GROUP INC. Chief Financial Officer Brian J. Costanzo reported routine share acquisitions tied to employee benefit plans. He acquired 1.8439 shares of common stock at $1,626.96 per share under the qualified component of the MKL 2020 Employee Stock Purchase Plan in a transaction exempt under Exchange Act Rule 16b-3(c). Between December 31, 2025 and March 31, 2026, he also acquired 2.487 shares through the MKL 401(k) plan, with a resulting indirect plan balance of 226.3230 shares as of March 31, 2026. Following these changes, he directly holds 1,613.0275 shares.
Costanzo Brian J. reported acquisition or exercise transactions in this Form 4 filing.
MARKEL GROUP INC. Chief Financial Officer Brian J. Costanzo reported an equity award of 654.641 shares of common stock in the form of restricted stock units granted at a price of $0.0000 per share on February 24, 2026.
According to the award terms, 539.739 RSUs are scheduled to vest on December 31, 2028, and 114.902 RSUs are scheduled to vest on February 24, 2029, subject to specified conditions. After this grant, he directly holds 1,611.1836 shares and indirectly holds 223.836 shares through a 401(k) plan based on the balance as of December 31, 2025.
MARKEL GROUP INC. executive Andrew G. Crowley, EVP & President of Markel Ventures, reported an equity award tied to 830.0200 shares of common stock on a grant, award, or other acquisition basis at a stated price of $0.0000 per share.
According to the footnotes, these are restricted stock units under the MKL 2024 Equity Incentive Compensation Plan, with 693.951 RSUs scheduled to vest on December 31, 2028, and 136.069 RSUs on February 24, 2029. After this grant, Crowley directly holds 2,743.7464 shares of common stock and indirectly holds 205.2520 shares through a MKL 401(k) plan, based on the plan balance as of December 31, 2025.
Grinnan Richard Randolph reported acquisition or exercise transactions in this Form 4 filing.
Markel Group Inc. senior vice president and chief legal officer Richard Randolph Grinnan received a grant of 800.508 shares of common stock on February 24, 2026, reported as a stock award with no cash price per share.
The award consists of restricted stock units under the MKL 2024 Equity Incentive Compensation Plan. According to the footnotes, 669.277 RSUs are scheduled to vest on December 31, 2028, and 131.231 RSUs are scheduled to vest on February 24, 2029, subject to conditions. After this grant, Grinnan directly holds 4,263.4279 common shares and indirectly holds 117.099 shares through the MKL 401(k) plan, based on the plan balance as of December 31, 2025.
MARKEL GROUP INC. executive Meade P. Grandis, CAO and Controller, reported an award of 69.722 restricted stock units of common stock on February 24, 2026 at no cost under the MKL 2024 Equity Incentive Compensation Plan. According to the footnotes, 58.292 RSUs are scheduled to vest on December 31, 2028 and 11.430 RSUs on February 24, 2029, subject to conditions. The filing also updates indirect ownership balances held through a 401(k) plan, trusts, the reporting person’s spouse, and children, including a prior 2.026-share acquisition in the MKL 401(k) plan between June 30, 2025 and December 31, 2025 and a 275-share distribution from trusts to the spouse.
Markel Group Inc. reported that Chief Executive Officer Thomas Sinnickson Gayner acquired 4,483.616 shares of common stock through a grant of restricted stock units on February 24, 2026. The award was made under the MKL 2024 Equity Incentive Compensation Plan at a price of $0 per share.
According to a footnote, 3,731.912 RSUs are scheduled to vest on December 31, 2028, and 751.704 RSUs are scheduled to vest on February 24, 2029, subject to certain conditions. After this grant, Gayner directly owns 56,741.3334 common shares and also reports indirect holdings through a trust, spouse, and a 401(k) plan, with the 401(k) balance based on figures as of December 31, 2025.
Markel Group executive Wilson Simon reported both a stock sale and an equity award. On February 26, 2026, he completed an open-market sale of 100 shares of Markel Group common stock at a price of $2,079.4848 per share, leaving him with 2,396.7456 directly owned shares.
On February 24, 2026, he received a grant of 868.117 restricted stock units under the MKL 2024 Equity Incentive Compensation Plan at no purchase price. According to the award terms, 629.914 RSUs are scheduled to vest on December 31, 2028, and 238.203 RSUs are scheduled to vest on February 24, 2029, subject to applicable conditions.
MARKEL GROUP INC. executive Wilson Simon, CEO of Markel Insurance, reported a Form 4 transaction involving company common stock. On February 17, 2026, he disposed of 47 shares of common stock at $2,084.46 per share as a tax-withholding disposition, meaning shares were surrendered to cover tax obligations rather than sold in an open-market trade. Following this transaction, his directly held stake stands at 1,628.6286 shares of Markel Group common stock.
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.
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.
Markel Group Inc. insider transaction reported for MKL. Reporting person Simon Wilson, who serves as CEO of Markel Insurance, filed a Form 4 for a sale of Markel Group Inc. common stock. On 11/25/2025, Wilson sold 75 shares of common stock at a price of $2,072.94 per share, coded as an open market or similar sale. After this transaction, he beneficially owns 1,769.6286 shares of Markel Group Inc. common stock in direct ownership form.
Markel Group Inc. director Steven A. Markel reported a change in his ownership of MKL common stock. On 11/17/2025, he disposed of 500 shares of common stock at a reported price of $0 under transaction code G, and held 61,868 shares directly afterward. He also held 2,060.699 shares indirectly through the MKL 401(k) plan and 15,000 shares indirectly through his spouse, for which beneficial ownership is expressly disclaimed. The 401(k) balance includes 1.169 shares acquired between March 31, 2025 and September 30, 2025.
Markel Group (MKL) reported insider activity by its CFO, Brian J. Costanzo. On September 30, 2025, he acquired 1.846 shares of common stock under the MKL 2020 Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3(c) at a price of $1,624.66 per share.
Following the transaction, Costanzo beneficially owned 976.0816 shares directly and 223.838 shares indirectly through the MKL 401(k) plan. The 401(k) plan balance reflects an additional 2.136 shares acquired between June 30, 2025 and September 30, 2025.