Key facts
- This page summarizes Alexander D. Stuart's Form 4 filing for Black Stone Minerals, L.P. (BSM).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 05 Oct 2026, 16:59.
Alexander D. Stuart - 02 Oct 2026 Form 4 Insider Report for Black Stone Minerals, L.P. (BSM)
- Reporting relationship
- Director
- Issuer ticker
- BSM
- Reported as of
- 02 Oct 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 05 Oct 2026, 16:59:02 UTC
- Prior SEC filing
- 19 Aug 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Steve Putman, attorney-in-fact for Alexander D. Stuart
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Alexander D. Stuart filed Form 4 for Black Stone Minerals, L.P. (BSM) on 05 Oct 2026.
Change
- Previous filing in this sequence was filed on 19 Aug 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001639921
Primary reporting owner
Stuart Alexander D.
- Relationship
- Director
- Address
- 1001 FANNIN STREET, SUITE 2020, HOUSTON
- Signature
- /s/ Steve Putman, attorney-in-fact for Alexander D. Stuart
- Signature date
- 05 Oct 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
BSM
transaction
Common units representing limited partner interests
Award
- Transaction value
- Shares
- +1,658
- Change %
- +0.08%
- Price
- $14.32*
- Shares after
- 2,041,733
- Date
- 02 Oct 2026
- Ownership
- Direct
- Footnotes
- F1
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,251,634
- Date
- 02 Oct 2026
- Ownership
- By RDS Investments, L.P.
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 74,541
- Date
- 02 Oct 2026
- Ownership
- By Alexander Douglas Stuart Primary Trust
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 74,541
- Date
- 02 Oct 2026
- Ownership
- By Marian Stuart Pillsbury Primary Trust
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 159,901
- Date
- 02 Oct 2026
- Ownership
- By UA R Douglas Stuart III Marital Trust
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 74,541
- Date
- 02 Oct 2026
- Ownership
- By Robert D. Stuart III Primary Trust
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 74,541
- Date
- 02 Oct 2026
- Ownership
- By James McClure Stuart Primary Trust
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 239,333
- Date
- 02 Oct 2026
- Ownership
- By Marian S. Pillsbury Family 2012 GST Trust
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 286,976
- Date
- 02 Oct 2026
- Ownership
- By Ann Peake Stuart 2011 Exempt Trust
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 180,775
- Date
- 02 Oct 2026
- Ownership
- By Robert D. Stuart, Jr. 1996 Marital Trust
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 6,687
- Date
- 02 Oct 2026
- Ownership
- By Barbara E Stuart GST Exempt Trust fbo Alexander D Stuart
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 2,112,711
- Date
- 02 Oct 2026
- Ownership
- By Topsfield Energy Ltd.
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote 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.