D. Mark DeWalch

Insider Reports History

Location
C/O Black Stone Minerals, L.P., 1001 Fannin Street, Suite 2020, Houston, TX
Signature
/s/ Steve Putman, attorney-in-fact for D. Mark DeWalch
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 D. Mark DeWalch:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Black Stone Minerals, L.P. Director Common units representing limited partner interests 559K $7.34M $13.14 Oct 3, 2025 By DeWalch Diversified LP
Black Stone Minerals, L.P. Director Common units representing limited partner interests 377K $4.95M $13.14 Oct 3, 2025 Direct
Black Stone Minerals, L.P. Director Common units representing limited partner interests 40.8K $536K $13.14 Oct 3, 2025 By Donald Mark DeWalch Trust
Black Stone Minerals, L.P. Director Common units representing limited partner interests 6.75K $88.7K $13.14 Oct 3, 2025 By wife

Insider Reports Filed by D. Mark DeWalch

Symbol Company Period Transactions Value $ Form Type Date Filed Role
BSM Black Stone Minerals, L.P. Oct 3, 2025 1 $18.7K 4 Oct 7, 2025 Director
BSM Black Stone Minerals, L.P. Jul 3, 2025 1 $18.7K 4 Jul 3, 2025 Director
BSM Black Stone Minerals, L.P. Apr 4, 2025 1 $18.7K 4 Apr 7, 2025 Director
BSM Black Stone Minerals, L.P. Jan 13, 2025 1 $0 4 Jan 15, 2025 Director
BSM Black Stone Minerals, L.P. Jan 3, 2025 1 $18.7K 4 Jan 7, 2025 Director
BSM Black Stone Minerals, L.P. Oct 4, 2024 1 $18.7K 4 Oct 8, 2024 Director
BSM Black Stone Minerals, L.P. Aug 15, 2024 1 $500K 4 Aug 15, 2024 Director
BSM Black Stone Minerals, L.P. Jul 5, 2024 1 $18.7K 4 Jul 8, 2024 Director
BSM Black Stone Minerals, L.P. Apr 5, 2024 1 $18.7K 4 Apr 9, 2024 Director
BSM Black Stone Minerals, L.P. Feb 26, 2024 1 $50.3K 4 Feb 27, 2024 Director
BSM Black Stone Minerals, L.P. Jan 11, 2024 1 $0 4 Jan 16, 2024 Director
BSM Black Stone Minerals, L.P. Nov 16, 2023 2 $762K 4 Nov 17, 2023 Director
BSM Black Stone Minerals, L.P. Mar 6, 2023 2 $543K 4 Mar 7, 2023 Director
BSM Black Stone Minerals, L.P. Jan 11, 2023 1 $0 4 Jan 13, 2023 Director
BSM Black Stone Minerals, L.P. Jan 11, 2022 1 $0 4 Jan 11, 2022 Director