What SEC filings does Markel Group Inc. submit to the SEC?

Markel Group Inc. (MKL) submits several types of SEC filings including Form 4 (insider transactions), Form 144 (proposed insider sales), 8-K reports (material events such as earnings releases, acquisitions, leadership changes), and periodic reports — the 10-Q (quarterly) and 10-K (annual). All filings are publicly available through SEC EDGAR.

What does a Form 4 filing tell me about MKL?

A Form 4 for MKL discloses a transaction by a company insider — typically a director, officer, or 10%+ shareholder. It shows the source-reported date, number of shares, price, and updated ownership. These facts do not establish motive or predict future returns.

How do I interpret an 8-K filing from Markel Group Inc.?

An 8-K signals a material event requiring prompt disclosure. Common triggers include earnings pre-announcements, acquisitions, leadership appointments or departures, credit changes, or regulatory actions. Read the item codes inside the filing to understand exactly what was disclosed before drawing conclusions.

What is the difference between a 10-K and 10-Q for MKL?

The 10-K is Markel Group Inc.'s annual report with fully audited financial statements, comprehensive MD&A, and complete risk factor disclosures — filed 60–90 days after fiscal year-end. The 10-Q is a lighter quarterly report with unaudited financials filed for the first three quarters. Together they provide a continuous financial picture of the company.

Where can I see all MKL SEC filings directly on EDGAR?

You can view all historical Markel Group Inc. filings on the SEC EDGAR company page for MKL. Each filing card on this page links directly to the original SEC document.

How often does Markel Group Inc. file with the SEC?

Markel Group Inc. files one 10-K per year and up to three 10-Qs per year. Form 4 insider transactions must be reported within two business days of each trade, so the frequency depends on how often insiders are buying or selling MKL shares. 8-K filings occur whenever a material event happens — which can be several times per quarter for an active company.

MKL SEC Filing News — Markel Group Inc.

Latest SEC filings for Markel Group Inc. (MKL) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). StrongBuyAnalytics provides navigation and brief excerpts or summaries; original filings remain at the SEC/source links and were authored by their filers, not StrongBuyAnalytics. Filing dates shown are source dates. Coverage and detection can be delayed or incomplete because of SEC availability, amendments, parsing, caching, or outages. Latest source filing date shown: 2026-10-16.

Markel Group Inc. engages in the insurance business in the United States, the United Kingdom, Bermuda, Germany, rest of the European Union, Canada, and the Asia Pacific. It operates through Markel Insurance, Industrial, Financial, and Consumer and Other segments. The company offers general and professional liability, specialty programs, workers' compensation, and marine and energy insurance; personal lines insurance, such as property coverage for homeowners; property insurance coverages, includi…

Sector: Financial Services Industry: Insurance - Property & Casualty Market Cap: $23.0B CIK: 1096343

Total Filings

Bullish Classifications

Bearish Classifications

Insider Transactions

Material Events (8-K)

Periodic Reports

Rule-based classifications for MKL currently lean bearish. Of the 20 filing records displayed, 1 carry bearish classifications (such as insider sales or negative 8-K disclosures) versus 0 bullish. This does not necessarily signal fundamental deterioration — insiders sell for many reasons — but it is worth monitoring alongside the company's core financial metrics.

MKL Filing Activity Snapshot 2026-05-22 — 2026-10-16

Insider Transactions (Form 4)

0 buys vs 1 sell

Net insider selling in this period — insiders sell for many reasons beyond conviction.

Largest Form 144 Filing

$140.4K

Harris Greta J (Director) · 2026-05-27

76 shares · Form 4

Insider Transactions 18 · Forms 3, 4 and 5

A Form 4 is filed within two business days of a company insider — an officer, a director, or a holder of more than ten percent of the stock — changing their position in the shares. All 18 filings in this group are Form 4s for Markel Group Inc.

The difficulty with reading these filings as a group is that a single form type covers transactions that mean entirely different things. An executive spending their own money to buy stock and an executive having shares withheld to pay tax on a vesting grant both appear as a Form 4. Every filing below is therefore tagged with the nature of the underlying transaction, taken from the transaction code reported on the form itself.

Across the 18 insider filings shown, the breakdown is 11 other reported transaction, 5 compensation award, 1 derivative conversion and 1 open-market sale. 1 of them involved a discretionary open-market trade; the rest are compensation and administrative mechanics.

What each transaction type means

Other reported transaction ×11: The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.
Compensation award ×5: Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.
Derivative conversion ×1: A derivative security was converted into common stock under terms agreed earlier.
Open-market sale ×1: The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Form 4 Other reported transaction Tax / Compensation Filing 2026-10-16

MKL insider Form 4 filed for equity award, exercise, or tax withholding

Costanzo Brian J. (Chief Financial Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`J`	Other transaction	2	$1,455.58	$2.9K

Filing: Form 4 (Insider Transaction) Insider: Costanzo Brian J. (Chief Financial Officer) Shares: 2

View on SEC EDGAR → Open Filing Document →

Form 4 Derivative conversion Tax / Compensation Filing 2026-09-14

MKL insider Form 4 filed for equity award, exercise, or tax withholding

MARKEL GROUP INC. (10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

A derivative security was converted into common stock under terms agreed earlier.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`C`	Derivative conversion	7,836,411	—	—
`C`	Derivative conversion derivative · Class V Common Stock	7,836,411	—	—

Filing: Form 4 (Insider Transaction) Insider: MARKEL GROUP INC. (10% Owner) Shares: 7,836,411

View on SEC EDGAR → Open Filing Document →

Form 4 Other reported transaction Tax / Compensation Filing 2026-07-16

MKL insider Form 4 filed for equity award, exercise, or tax withholding

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`J`	Other transaction	2	$1,617.19	$3.2K

Filing: Form 4 (Insider Transaction) Insider: Costanzo Brian J. (Chief Financial Officer) Shares: 2

View on SEC EDGAR → Open Filing Document →

Form 4 Other reported transaction Tax / Compensation Filing 2026-07-16

MKL insider Form 4 filed for equity award, exercise, or tax withholding

Crowley Andrew G. (EVP & Pres., Markel Ventures) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`J`	Other transaction	2	$1,617.19	$3.2K
`J`	Other transaction	7	$1,730.49	$12.1K

Filing: Form 4 (Insider Transaction) Insider: Crowley Andrew G. (EVP & Pres., Markel Ventures) Shares: 9

View on SEC EDGAR → Open Filing Document →

Form 4 Other reported transaction Tax / Compensation Filing 2026-06-17

MKL insider Form 4 filed for equity award, exercise, or tax withholding

Besca Mark (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`J`	Other transaction	80	$1,668.65	$133.5K

Filing: Form 4 (Insider Transaction) Insider: Besca Mark (Director) Shares: 80

View on SEC EDGAR → Open Filing Document →

Form 4 Other reported transaction Tax / Compensation Filing 2026-06-17

MKL insider Form 4 filed for equity award, exercise, or tax withholding

Housel Morgan E. (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`J`	Other transaction	65	$1,668.65	$108.5K

Filing: Form 4 (Insider Transaction) Insider: Housel Morgan E. (Director) Shares: 65

View on SEC EDGAR → Open Filing Document →

Form 4 Other reported transaction Tax / Compensation Filing 2026-06-17

MKL insider Form 4 filed for equity award, exercise, or tax withholding

Leopold Diane (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`J`	Other transaction	65	$1,668.65	$108.5K

Filing: Form 4 (Insider Transaction) Insider: Leopold Diane (Director) Shares: 65

View on SEC EDGAR → Open Filing Document →

Form 4 Other reported transaction Tax / Compensation Filing 2026-06-17

MKL insider Form 4 filed for equity award, exercise, or tax withholding

MICHAEL JONATHAN E (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`J`	Other transaction	65	$1,668.65	$108.5K

Filing: Form 4 (Insider Transaction) Insider: MICHAEL JONATHAN E (Director) Shares: 65

View on SEC EDGAR → Open Filing Document →

Form 4 Other reported transaction Tax / Compensation Filing 2026-06-17

MKL insider Form 4 filed for equity award, exercise, or tax withholding

Morrison Harold Lawrence Jr. (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`J`	Other transaction	32	$1,668.65	$53.4K

Filing: Form 4 (Insider Transaction) Insider: Morrison Harold Lawrence Jr. (Director) Shares: 32

View on SEC EDGAR → Open Filing Document →

Form 4 Other reported transaction Tax / Compensation Filing 2026-06-17

MKL insider Form 4 filed for equity award, exercise, or tax withholding

Cunningham Lawrence A (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`J`	Other transaction	32	$1,668.65	$53.4K

Filing: Form 4 (Insider Transaction) Insider: Cunningham Lawrence A (Director) Shares: 32

View on SEC EDGAR → Open Filing Document →

Form 4 Other reported transaction Tax / Compensation Filing 2026-06-17

MKL insider Form 4 filed for equity award, exercise, or tax withholding

Puckett A. Lynne (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`J`	Other transaction	65	$1,668.65	$108.5K

Filing: Form 4 (Insider Transaction) Insider: Puckett A. Lynne (Director) Shares: 65

View on SEC EDGAR → Open Filing Document →

Form 4 Other reported transaction Tax / Compensation Filing 2026-06-17

MKL insider Form 4 filed for equity award, exercise, or tax withholding

OREILLY MICHAEL (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

The filing reports a transaction type that does not map to a routine purchase, sale, award or withholding.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`J`	Other transaction	89	$1,668.65	$148.5K

Filing: Form 4 (Insider Transaction) Insider: OREILLY MICHAEL (Director) Shares: 89

View on SEC EDGAR → Open Filing Document →

Form 4 Open-market sale Insider Selling 2026-05-27

MKL insider Harris Greta J (Director) sold 76 shares (~$140.4K)

Harris Greta J, listed as Director at MARKEL GROUP INC., reported an open-market sale of 76 MKL shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`S`	Open-market sale	35	$1,846.12	$64.6K
`S`	Open-market sale	14	$1,847.36	$25.9K
`S`	Open-market sale	27	$1,848.83	$49.9K

Filing: Form 4 (Insider Transaction) Insider: Harris Greta J (Director) Shares: 76 Est. Value: $140.4K

View on SEC EDGAR → Open Filing Document →

Form 4 Compensation award Tax / Compensation Filing 2026-05-22

MKL insider Form 4 filed for equity award, exercise, or tax withholding

MICHAEL JONATHAN E (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`A`	Compensation award	89	—	—

Filing: Form 4 (Insider Transaction) Insider: MICHAEL JONATHAN E (Director) Shares: 89

View on SEC EDGAR → Open Filing Document →

Form 4 Compensation award Tax / Compensation Filing 2026-05-22

MKL insider Form 4 filed for equity award, exercise, or tax withholding

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`A`	Compensation award	89	—	—

Filing: Form 4 (Insider Transaction) Insider: Morrison Harold Lawrence Jr. (Director) Shares: 89

View on SEC EDGAR → Open Filing Document →

Form 4 Compensation award Tax / Compensation Filing 2026-05-22

MKL insider Form 4 filed for equity award, exercise, or tax withholding

Besca Mark (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`A`	Compensation award	89	—	—

Filing: Form 4 (Insider Transaction) Insider: Besca Mark (Director) Shares: 89

View on SEC EDGAR → Open Filing Document →

Form 4 Compensation award Tax / Compensation Filing 2026-05-22

MKL insider Form 4 filed for equity award, exercise, or tax withholding

Harris Greta J (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`A`	Compensation award	89	—	—

Filing: Form 4 (Insider Transaction) Insider: Harris Greta J (Director) Shares: 89

View on SEC EDGAR → Open Filing Document →

Form 4 Compensation award Tax / Compensation Filing 2026-05-22

MKL insider Form 4 filed for equity award, exercise, or tax withholding

Cunningham Lawrence A (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`A`	Compensation award	89	—	—

Filing: Form 4 (Insider Transaction) Insider: Cunningham Lawrence A (Director) Shares: 89

View on SEC EDGAR → Open Filing Document →

Material Events 1 · Form 8-K

An 8-K reports a material event in the window between scheduled reports. There is 1 in this period for Markel Group Inc. Each 8-K names the item number it is filed under, and that number is the fastest way to tell a routine disclosure from a consequential one.

Item 2.02 is an earnings release, Item 5.02 is a change of directors or officers, and Item 1.01 or 2.01 covers a material agreement or a completed acquisition. Item 7.01 and Item 8.01 are the general-purpose disclosure items and carry no fixed meaning on their own.

Form 8-K Material Company Update 2026-09-08

MKL filed 8-K — material company event

MARKEL GROUP INC. filed an 8-K with the SEC reporting a material event. Summary unavailable — view the original SEC filing for the full text.

Filing: 8-K (Material Event)

View on SEC EDGAR → Open Filing Document →

Periodic Reports 1 · Forms 10-K and 10-Q

The periodic reports are where the audited and reviewed financial statements live. This period contains 1 quarterly report (10-Q) for Markel Group Inc.

The two are not equivalent in weight. A 10-K is audited by an external firm and includes the full risk factor disclosure, business description and management discussion; a 10-Q is unaudited, reviewed rather than examined, and much shorter. When a figure in a quarterly report is later revised, the annual report is usually where the correction appears.

An amended report — 10-K/A or 10-Q/A — restates or corrects something in the original filing, and is worth reading against the version it replaces.

Form 10-Q Quarterly Report 2026-07-29

MKL filed Quarterly Report (10-Q)

MARKEL GROUP INC. filed its quarterly report with the SEC. This report includes unaudited financial statements and management discussion for the quarter.

Filing: 10-Q (Quarterly Report)

View on SEC EDGAR → Open Filing Document →

How we classify Markel Group Inc.'s filings

Straight from EDGAR

Each displayed record links to an original source document. StrongBuyAnalytics provides navigation and brief excerpts or summaries, not the filing itself. Parsing may omit context or contain errors, so read the original document in full.

Transaction codes, not guesswork

The nature shown on each insider filing comes from the transaction code the filer entered on the form itself — P for an open-market purchase, A for a compensation award, F for shares withheld to pay tax, M for an option exercise. Where one filing contains several codes, the transaction table lists them line by line.

Why the distinction matters

Insider activity is routinely summarised as buying or selling, which flattens together decisions that mean very different things. Shares withheld for tax on a vesting grant are an automatic administrative step; shares bought on the open market are someone committing their own money at the current price.

What this page does not tell you

A filing records what happened, not why. Form 4 does not always disclose whether a sale was executed under a pre-arranged Rule 10b5-1 plan, and no single filing is a basis for a decision on MKL. Read these alongside the fundamentals rather than in isolation.

Frequently Asked Questions — MKL SEC Filings

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MKL Full Analysis

Publisher, sources & limitations — September 15, 2026. StrongBuyAnalytics provides navigation and brief excerpts or summaries for educational use. Original filings remain at SEC EDGAR or other displayed source links; StrongBuyAnalytics does not author them. Filing dates are source dates, not publication dates for this page. Coverage can be delayed, incomplete, amended, or unavailable because of SEC/source availability, parsing, caching, or outages. Verify every material statement in the original filing.

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