Form 4 for MKL MARKEL GROUP INC.
Accepted 2026-05-19 16:31:56 ET · period of report 2026-05-15 · accession 0001873434-26-000006 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-19 16:31 | 2026-05-15 | MKL | Costanzo Brian J. | CFO | F - Tax | $1,844.00 | -13.08 | 1,600 | -0.8% | -$24.1K | |
| 2026-05-19 16:31 | 2026-05-15 | MKL | Costanzo Brian J. | CFO | J - Other | $1,659.60 | +30.13 | 1,630 | +2% | +$50.0K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-05-15 | F | D | 13.08 | $1,844.00 | 1,599.95 | D | — | — | |
| 2 | Common | Common Stock | 2026-05-15 | J | A | 30.13 | $1,659.60 | 1,630.08 | D | — | — | (F1) Shares acquired under the non-qualified component of the MKL 2020 Employee Stock Purchase Plan. |