Black Stone Minerals officer reports 2,120 units

Black Stone Minerals, L.P. filed an initial insider ownership report for officer Erin Leah Phillips, who serves as Controller (PAO).

Accepted by SEC EDGAR 01/15/2026 - 05:30 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Black Stone Minerals, L.P. filed an initial insider ownership report for officer Erin Leah Phillips, who serves as Controller (PAO). This Form 3 shows that she beneficially owns 2,120 common units representing limited partner interests, held directly. The filing establishes her starting ownership position as a company officer, and does not report any transactions or derivative securities.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Phillips Erin Leah

Role Controller (PAO)

Type	Security	Shares	Price	Value
Holding	Common units representing limited partner interests	--	--	--

Holdings: Common units representing limited partner interests — 2,120 shares (Direct)

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Black Stone Minerals (BSM) Form 3 filing report for Erin Phillips?

The filing reports that officer Erin Leah Phillips, Controller (PAO) of Black Stone Minerals, beneficially owns 2,120 common units representing limited partner interests, held directly.

Is the BSM Form 3 for Erin Phillips an initial ownership report or a transaction report?

It is an initial Form 3 ownership report that establishes Erin Phillips' beneficial holdings and does not disclose any purchase or sale transactions.

How many Black Stone Minerals (BSM) common units does Erin Phillips own according to the Form 3?

According to the Form 3, Erin Phillips beneficially owns 2,120 common units representing limited partner interests in Black Stone Minerals, L.P.

Are Erin Phillips' BSM holdings reported as direct or indirect ownership?

The Form 3 lists her 2,120 common units as held in direct ownership, with no indirect ownership relationships disclosed.

Does the BSM Form 3 for Erin Phillips disclose any derivative securities?

No. The table for derivative securities is present but shows no derivative holdings for Erin Phillips at the time of this Form 3.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Phillips Erin Leah

(Last) (First) (Middle)

1001 FANNIN ST., STE 2020

(Street)

HOUSTON TX 77002

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/01/2026

3. Issuer Name and Ticker or Trading Symbol
Black Stone Minerals, L.P. [ BSM ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common units representing limited partner interests	2,120	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	/s/ Steve Putman, attorney-in-fact for Erin Phillips	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 5 (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.