Transactions
2
Insider / MARKEL GROUP INC.
Heaton Michael R
EVP & Chief Operating Officer at MARKEL GROUP INC.
- Company
- MARKEL GROUP INC.
- First filing on record
- December 3, 2025
- Latest trade on record
- April 1, 2026
- SEC filings
- EDGAR ↗
Heaton Michael R, EVP & Chief Operating Officer at MARKEL GROUP INC., has disclosed 2 transactions in HGTY, MKL since December 3, 2025: 0 purchases (0 open-market buys) and 1 sale, worth about $448K at the reported prices. The latest was filed April 3, 2026, 2 days after the trade.
Open-market buys
0
Sales
1
Avg. disclosure lag
1.5d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months Heaton Michael R made no purchases and 1 sale worth $448K, plus 1 other transaction. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Heaton Michael R has traded 1 stock on record; the largest by dollars is MKL.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
0 of 2 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| A | Grant or award | 1 | 11,871 | — |
| F | Shares withheld for tax | 1 | 217 | $448K |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 1 | 0 | 0 |
| 2025 | 1 | 0 | 1 · $448K |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| HGTY | Other A | April 1, 2026 | April 3, 2026 | 2d | 11,871 | — | — | Form 4 ↗ | ||
| MKL | Sell F | December 2, 2025 | December 3, 2025 | 1d | 217 | $2,061 | $448K | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| April 3, 2026 | Form 4 | 0001628280-26-023581 | 1 | published | EDGAR ↗ |
| December 3, 2025 | Form 4 | 0001751668-25-000003 | 1 | published | EDGAR ↗ |
Other insiders at MARKEL GROUP INC.
- Ahn Kenneth President, Hagerty Marketplace 26 rows
- KAUFFMAN ROBERT I Director 20 rows
- MARKEL STEVEN A Director 19 rows
- Kuczinski Anthony J Director 13 rows
- Leopold Diane Director 11 rows
- Costanzo Brian J. Chief Financial Officer 9 rows
- DELANEY KEVIN M Chief Accounting Officer 8 rows
- MICHAEL JONATHAN E Director 8 rows
- Chafey Diana Chief Legal Officer 7 rows
- Crowley Andrew G. President, Markel Ventures 7 rows
Everyone on file, with contracts and lobbying under the company's name: MARKEL GROUP INC..
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 2 | 2 | December 3, 2025 | April 3, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.