William N. Mathis - Oct 3, 2025 Form 4 Insider Report for Black Stone Minerals, L.P. (BSM)

Role
Director
Signature
/s/ Steve Putman, attorney-in-fact for William N. Mathis
Stock symbol
BSM
Transactions as of
Oct 3, 2025
Transactions value $
$31,247
Form type
4
Date filed
10/7/2025, 05:04 PM
Previous filing
Jul 3, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mathis William N. Director 1001 FANNIN STREET, SUITE 2020, HOUSTON /s/ Steve Putman, attorney-in-fact for William N. Mathis 2025-10-07 0001640004

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BSM Common units representing limited partner interests Award $31.2K +2.38K +0.98% $13.14 246K Oct 3, 2025 Direct F1
holding BSM Common units representing limited partner interests 325K Oct 3, 2025 By Travis A. Mathis Special Trust
holding BSM Common units representing limited partner interests 843K Oct 3, 2025 By WM Capital Partners, L.P.
holding BSM Common units representing limited partner interests 296K Oct 3, 2025 By William Mathis 2012 Trust
holding BSM Common units representing limited partner interests 296K Oct 3, 2025 By Travis Mathis 2012 Trust
holding BSM Common units representing limited partner interests 10.4K Oct 3, 2025 By William Mathis 2012 GSTE
holding BSM Common units representing limited partner interests 10.4K Oct 3, 2025 By Travis Mathis 2012 GSTE
holding BSM Common units representing limited partner interests 12.2K Oct 3, 2025 By W2M Limited
holding BSM Common units representing limited partner interests 54.7K Oct 3, 2025 By Willen Partners LP
holding BSM Common units representing limited partner interests 179K Oct 3, 2025 By Conti Street Partners, L.P.
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.