STOCK TITAN

Board member Alexander D. Stuart takes 1,700 BSM units instead of cash retainer

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Stuart Alexander D. reported acquisition or exercise transactions in this Form 4 filing.

Black Stone Minerals, L.P. director Alexander D. Stuart received a grant of 1,700 common units representing limited partner interests at a value of $13.97 per unit. According to the footnote, he elected to receive these units instead of a cash retainer for serving on the board.

After this compensation award, he directly holds 2,055,975 common units. Additional common units are held indirectly through various trusts and investment entities associated with his family, reflecting a sizable, largely unchanged ownership position. No open-market purchases or sales are reported in this filing.

Positive

  • None.

Negative

  • None.
Insider Stuart Alexander D.
Role null
Type Security Shares Price Value
Grant/Award Common units representing limited partner interests 1,700 $13.97 $24K
holding Common units representing limited partner interests -- -- --
holding Common units representing limited partner interests -- -- --
holding Common units representing limited partner interests -- -- --
holding Common units representing limited partner interests -- -- --
holding Common units representing limited partner interests -- -- --
holding Common units representing limited partner interests -- -- --
holding Common units representing limited partner interests -- -- --
holding Common units representing limited partner interests -- -- --
holding Common units representing limited partner interests -- -- --
holding Common units representing limited partner interests -- -- --
holding Common units representing limited partner interests -- -- --
Holdings After Transaction: Common units representing limited partner interests — 2,055,975 shares (Direct, null); Common units representing limited partner interests — 1,251,634 shares (Indirect, By RDS Investments, L.P.)
Footnotes (1)
  1. [object Object]
Compensation grant 1,700 units Common units granted as board retainer
Grant value per unit $13.97 per unit Value used for 1,700-unit grant
Direct holdings after grant 2,055,975 units Common units held directly post-transaction
Indirect holdings via Topsfield Energy Ltd. 2,112,711 units Common units held indirectly through Topsfield Energy Ltd.
Indirect holdings via RDS Investments, L.P. 1,251,634 units Common units held indirectly through RDS Investments, L.P.
Common units representing limited partner interests financial
"security_title: "Common units representing limited partner interests""
Grant, award, or other acquisition financial
"transaction_code_description: "Grant, award, or other acquisition""
indirect ownership financial
"ownership_type: "indirect" with nature_of_ownership by various trusts"
cash retainer financial
"elected to receive common units in lieu of a cash retainer"
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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Stuart Alexander D.

(Last)(First)(Middle)
1001 FANNIN STREET, SUITE 2020

(Street)
HOUSTON TEXAS 77002

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Black Stone Minerals, L.P. [ BSM ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/02/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common units representing limited partner interests07/02/2026A1,700A(1)$13.972,055,975D
Common units representing limited partner interests1,251,634IBy RDS Investments, L.P.
Common units representing limited partner interests74,541IBy Alexander Douglas Stuart Primary Trust
Common units representing limited partner interests74,541IBy Marian Stuart Pillsbury Primary Trust
Common units representing limited partner interests159,901IBy UA R Douglas Stuart III Marital Trust
Common units representing limited partner interests74,541IBy Robert D. Stuart III Primary Trust
Common units representing limited partner interests74,541IBy James McClure Stuart Primary Trust
Common units representing limited partner interests239,333IBy Marian S. Pillsbury Family 2012 GST Trust
Common units representing limited partner interests286,976IBy Ann Peake Stuart 2011 Exempt Trust
Common units representing limited partner interests180,775IBy Robert D. Stuart, Jr. 1996 Marital Trust
Common units representing limited partner interests6,687IBy Barbara E Stuart GST Exempt Trust fbo Alexander D Stuart
Common units representing limited partner interests2,112,711IBy Topsfield Energy Ltd.
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. 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.
Remarks:
/s/ Steve Putman, attorney-in-fact for Alexander D. Stuart07/02/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did BSM director Alexander D. Stuart report?

Alexander D. Stuart reported receiving 1,700 Black Stone Minerals (BSM) common units as a compensation grant. The units were valued at $13.97 each and were taken in lieu of a cash retainer for his service on the board of the partnership’s general partner.

Was the BSM Form 4 transaction a market purchase or sale?

The Form 4 for Black Stone Minerals (BSM) does not show a market purchase or sale. It reports a grant of 1,700 common units as compensation, elected instead of a cash retainer, with no open-market buying or selling activity disclosed in this filing.

How many BSM units does Alexander D. Stuart hold directly after this filing?

Following the reported grant, Alexander D. Stuart directly holds 2,055,975 Black Stone Minerals (BSM) common units. This figure reflects his direct ownership position, separate from additional units held indirectly through various family trusts and investment entities listed in the filing.

What price was used for the BSM units granted to Alexander D. Stuart?

The 1,700 Black Stone Minerals (BSM) common units granted to Alexander D. Stuart were valued at $13.97 per unit. This value is used in the filing to describe the grant, which he accepted instead of receiving a cash retainer for his board service.

Does the BSM Form 4 show indirect holdings for Alexander D. Stuart?

Yes. The Black Stone Minerals (BSM) Form 4 lists multiple indirect holdings through entities such as Topsfield Energy Ltd. and several family trusts. Each entity’s line shows the number of common units held after the reported date as indirect ownership interests.