Costanzo Brian J. filed Form 4
- Filed on 2026-10-16
- Acquired 2.061 shares
- 401(k) plan ownership of 231.821 shares
Brian J. Costanzo, reporting
MKL
MARKEL GROUP INC. SEC filings
Every EDGAR filing for MARKEL GROUP INC. (MKL), newest first, with AI summaries and stories.
- Ticker
- MKL
- CIK
- 1096343
- Latest filing
- 2d
Next: 10-Q expected ~Oct 30 (deadline Nov 9) ยท earnings expected ~Nov 2
Insider activity
No open-market insider buys in the last 30 days.
Filings
4MARKEL GROUP INC.MKLLIVE SCHEDULE 13D/AHagerty, Inc.HGTYLIVE Ownership stake disclosure by MARKEL GROUP INC. (amended)
MARKEL GROUP INC., filed by
4Hagerty, Inc.HGTYLIVE MARKEL GROUP INC., insider filing for HGTY
MARKEL GROUP INC., reporting
8-KMARKEL GROUP INC.MKLLIVE N-PXMARKEL GROUP INC.MKLLIVE 13F-HRMARKEL GROUP INC.MKLLIVE 10-QMARKEL GROUP INC.MKLLIVE 4MARKEL GROUP INC.MKLLIVE 2 insider filings
Andrew G. Crowley, insider filing for MKL
Show all 2
- 4Insider filing for MKL
- 4Insider filing for MKL
Andrew G. Crowley, reporting
4MARKEL GROUP INC.MKLLIVE 8 insider filings
Mark Besca, insider filing for MKL
Show all 8
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
Mark Besca, reporting
11-KMARKEL GROUP INC.MKLLIVE SDMARKEL GROUP INC.MKLLIVE 4MARKEL GROUP INC.MKLLIVE Greta J Harris, insider filing for MKL
Greta J Harris, reporting
4MARKEL GROUP INC.MKLLIVE 9 insider filings
Jonathan E Michael, insider filing for MKL
Show all 9
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
Jonathan E Michael, reporting
8-KMARKEL GROUP INC.MKLLIVE 144MARKEL GROUP INC.MKLLIVE Greta J Harris, planned sale of MKL shares
Greta J Harris, reporting
8-KMARKEL GROUP INC.MKLLIVE 4MARKEL GROUP INC.MKLLIVE 4 insider filings
Brian J. Costanzo, insider filing for MKL
Show all 4
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
- 4Insider filing for MKL
Brian J. Costanzo, reporting
4MARKEL GROUP INC.MKLLIVE Diane Leopold, insider filing for MKL
Diane Leopold, reporting
4MARKEL GROUP INC.MKLLIVE A. Lynne Puckett, insider filing for MKL
A. Lynne Puckett, reporting
13F-HRMARKEL GROUP INC.MKLLIVE SCHEDULE 13GMARKEL GROUP INC.MKLLIVE Ownership stake disclosure by VANGUARD CAPITAL MANAGEMENT LLC
VANGUARD CAPITAL MANAGEMENT LLC, filed by
10-QMARKEL GROUP INC.MKLLIVE SCHEDULE 13D/AHagerty, Inc.HGTYLIVE Ownership stake disclosure by MARKEL GROUP INC. (amended)
MARKEL GROUP INC., filed by
4MARKEL GROUP INC.MKLLIVE 2 insider filings
Andrew G. Crowley, insider filing for MKL
Show all 2
- 4Insider filing for MKL
- 4Insider filing for MKL
Andrew G. Crowley, reporting
DEFA14AMARKEL GROUP INC.MKLLIVE DEF 14AMARKEL GROUP INC.MKLLIVE SCHEDULE 13G/AMARKEL GROUP INC.MKLLIVE Ownership stake disclosure by VANGUARD GROUP INC (amended)
VANGUARD GROUP INC, filed by
ARSMARKEL GROUP INC.MKLLIVE PRE 14AMARKEL GROUP INC.MKLLIVE 4MARKEL GROUP INC.MKLLIVE Brian J. Costanzo, insider filing for MKL
Brian J. Costanzo, reporting