Black Stone Minerals (BSM) director reports grant of 14,255 units

Rhea-AI Filing Summary

Black Stone Minerals, L.P. director Michael C. Linn reported acquiring additional equity in the partnership. On January 13, 2026, he acquired 14,255 common units representing limited partner interests at a price of $0.00 per unit, indicating a no-cost issuance to him. Following this transaction, he directly holds 208,150 common units of Black Stone Minerals, as disclosed in the Form 4 insider trading report.

SEC Form 4

FORM 4

UNITED 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

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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^*

Linn Michael C

(Last) (First) (Middle)

1001 FANNIN STREET, SUITE 2020

(Street)

HOUSTON TX 77002

(City) (State) (Zip)

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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/13/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Common units representing limited partner interests	01/13/2026		A		14,255	A	$0	208,150	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	/s/ Steve Putman, attorney-in-fact for Michael C. Linn	01/15/2026
	** Signature of Reporting Person	Date
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.

FAQ

What insider transaction did BSM disclose for Michael C. Linn?

Black Stone Minerals, L.P. disclosed that director Michael C. Linn acquired 14,255 common units representing limited partner interests on January 13, 2026, at a price of $0.00 per unit.

How many Black Stone Minerals (BSM) units does Michael C. Linn own after this transaction?

After the reported acquisition, Michael C. Linn beneficially owns 208,150 common units of Black Stone Minerals, L.P., held in direct ownership.

Was the BSM insider transaction a purchase or a grant?

The Form 4 lists the transaction code as "A" (acquired) for 14,255 common units at $0.00 per unit, indicating units were acquired at no cost to the reporting person.

What role does Michael C. Linn have at Black Stone Minerals (BSM)?

In the filing, Michael C. Linn is identified as a director of Black Stone Minerals, L.P., and not as an officer or 10% owner.

Is this BSM Form 4 filed for one insider or multiple insiders?

The document indicates the Form 4 was filed by one reporting person, specifically Michael C. Linn.

Were any derivative securities reported in this BSM Form 4?

The section for derivative securities shows column headers only and no reported derivative positions or transactions.