Brian J. Costanzo

Insider Reports History

Location
Glen Allen, VA
Signature
/s/ Karen O. Earls, Attorney-in-fact for Brian J. Costanzo
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Brian J. Costanzo:

Company Role Class Num Shares Value Price $ Report Date Ownership
MARKEL GROUP INC. Chief Financial Officer Common Stock 957 $1,532,974 $1602.62 31 Dec 2025 Direct
MARKEL GROUP INC. Chief Financial Officer Common Stock 224 $481,169 $2149.65 31 Dec 2025 401(k) Plan

Insider Reports Filed by Brian J. Costanzo

Symbol Company Period Transactions Value $ Form Type Role Filing Time
MKL MARKEL GROUP INC. 31 Dec 2025 1 +$3,500 4 Chief Financial Officer 20 Jan 2026, 16:46
MKL MARKEL GROUP INC. 02 Dec 2025 1 -$44,767 4 Chief Financial Officer 03 Dec 2025, 16:39
MKL MARKEL GROUP INC. 30 Sep 2025 1 +$2,999 4 Chief Financial Officer 16 Oct 2025, 16:53
MKL MARKEL GROUP INC. 30 Jun 2025 1 +$3,500 4 Chief Financial Officer 16 Jul 2025, 16:30
MKL MARKEL GROUP INC. 31 Mar 2025 1 +$3,000 4 Chief Financial Officer 17 Apr 2025, 16:53
MKL MARKEL GROUP INC. 18 Feb 2025 1 $0 4 Chief Financial Officer 20 Feb 2025, 16:51
MKL MARKEL GROUP INC. 31 Dec 2024 1 +$2,800 4 Chief Financial Officer 17 Jan 2025, 16:36
MKL MARKEL GROUP INC. 05 Dec 2024 1 -$36,940 4 Chief Financial Officer 09 Dec 2024, 16:50
MKL MARKEL GROUP INC. 30 Sep 2024 1 +$2,400 4 Chief Financial Officer 16 Oct 2024, 16:33
MKL MARKEL GROUP INC. 28 Jun 2024 1 +$2,800 4 Chief Financial Officer 17 Jul 2024, 16:35
MKL MARKEL GROUP INC. 28 Mar 2024 1 +$2,400 4 Chief Financial Officer 18 Apr 2024, 16:43
MKL MARKEL GROUP INC. 20 Feb 2024 1 $0 4 Chief Financial Officer 27 Feb 2024, 16:38
MKL MARKEL GROUP INC. 20 Feb 2024 1 $0 4 Chief Financial Officer 22 Feb 2024, 16:38
MKL MARKEL GROUP INC. 29 Dec 2023 1 +$2,800 4 Chief Financial Officer 17 Jan 2024, 16:36
MKL MARKEL GROUP INC. 05 Dec 2023 1 -$21,019 4 SVP, Finance, CAO & Controller 06 Dec 2023, 16:37
MKL MARKEL GROUP INC. 29 Sep 2023 1 +$2,400 4 SVP, Finance, CAO & Controller 17 Oct 2023, 16:33
MKL MARKEL GROUP INC. 30 Jun 2023 1 +$1,505 4 SVP, Finance, CAO & Controller 14 Jul 2023, 18:01
MKL MARKEL CORP 16 May 2023 1 $0 4 SVP, Finance, CAO & Controller 18 May 2023, 16:23
MKL MARKEL CORP 31 Mar 2023 1 +$1,290 4 SVP, Finance, CAO & Controller 28 Apr 2023, 16:36
MKL MARKEL CORP 14 Feb 2023 1 $0 4 SVP, Finance, CAO & Controller 15 Feb 2023, 15:39
MKL MARKEL CORP 15 Feb 2022 1 $0 4 CAO and Controller 17 Feb 2022, 15:49
MKL MARKEL CORP 18 Aug 2021 0 $0 3 CAO and Controller 23 Aug 2021, 17:12