Costanzo Brian J. — SEC Form 4 filings
SEC reporting owner CIK 1873434. 18 Form 4 filings on record with FilingPulse; latest filed 2026-07-16.
Transaction summary — filings shown
Covers all 18 filings on record, filed 2024-01-17 to 2026-07-16. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 19.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| MARKEL GROUP INC. (MKL) | Chief Financial Officer | 18 | — | — | 19 |
Form 4 filings — Costanzo Brian J.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-16 | 4 | MARKEL GROUP INC. (MKL) | Other (J): 2.16 @ $1,617.19 | EDGAR |
| 2026-05-19 | 4 | MARKEL GROUP INC. (MKL) | Tax withholding (F): 13.08 @ $1,844 · Other (J): 30.13 @ $1,659.60 | EDGAR |
| 2026-04-15 | 4 | MARKEL GROUP INC. (MKL) | Other (J): 1.84 @ $1,626.96 | EDGAR |
| 2026-02-26 | 4 | MARKEL GROUP INC. (MKL) | Grant/award (A): 654.64 @ $0 | EDGAR |
| 2026-01-20 | 4 | MARKEL GROUP INC. (MKL) | Other (J): 2.18 @ $1,602.62 | EDGAR |
| 2025-12-03 | 4 | MARKEL GROUP INC. (MKL) | Tax withholding (F): 21.72 @ $2,060.83 | EDGAR |
| 2025-10-16 | 4 | MARKEL GROUP INC. (MKL) | Other (J): 1.85 @ $1,624.66 | EDGAR |
| 2025-07-16 | 4 | MARKEL GROUP INC. (MKL) | Other (J): 2.21 @ $1,580.87 | EDGAR |
| 2025-04-17 | 4 | MARKEL GROUP INC. (MKL) | Other (J): 2.06 @ $1,459.76 | EDGAR |
| 2025-02-20 | 4 | MARKEL GROUP INC. (MKL) | Grant/award (A): 379.41 @ $0 | EDGAR |
| 2025-01-17 | 4 | MARKEL GROUP INC. (MKL) | Other (J): 2.09 @ $1,336.81 | EDGAR |
| 2024-12-09 | 4 | MARKEL GROUP INC. (MKL) | Tax withholding (F): 21 @ $1,759.04 | EDGAR |
| 2024-10-16 | 4 | MARKEL GROUP INC. (MKL) | Other (J): 1.80 @ $1,333.29 | EDGAR |
| 2024-07-17 | 4 | MARKEL GROUP INC. (MKL) | Other (J): 2.18 @ $1,282.46 | EDGAR |
| 2024-04-18 | 4 | MARKEL GROUP INC. (MKL) | Other (J): 1.97 @ $1,220.99 | EDGAR |
| 2024-02-27 | 4 | MARKEL GROUP INC. (MKL) | Grant/award (A): 108 @ $0 | EDGAR |
| 2024-02-22 | 4 | MARKEL GROUP INC. (MKL) | Grant/award (A): 94 @ $0 | EDGAR |
| 2024-01-17 | 4 | MARKEL GROUP INC. (MKL) | Other (J): 2.32 @ $1,206.92 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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