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	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).

1. Name and Address of Reporting Person* Carroll Marc (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) Director 10% Owner X Officer (give title below) Other (specify below) See Remarks
	3. Date of Earliest Transaction (Month/Day/Year) 05/06/2015
	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(1)	05/06/2015		A		165,777	A	$0.00	165,777	D
Common units representing limited partner interests(2)	05/06/2015		J(3)		51,136	A	(3)	216,913	D
Common units representing limited partner interests	05/06/2015		J(3)		110,338	A	(3)	327,251	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
Subordinated units representing limited partner interests(5)	(4)	05/06/2015		J(3)		66,978		(4)(5)	(4)(5)	Common units representing limited partner interests	66,978	(3)	66,978	D
Subordinated units representing limited partner interests	(4)	05/06/2015		J(3)		144,518		(4)	(4)	Common units representing limited partner interests	144,518	(3)	211,496	D
Preferred units representing limited partner interests	(6)	05/06/2015		J(3)		113		(6)	(6)	Common and subordinated units representing LP interests(6)	(6)	(3)	211,609	D

Explanation of Responses:

1. Common units subject to a restricted unit award issued pursuant to the Black Stone Minerals, L.P. Long-Term Incentive Plan (the "LTIP"). Except as otherwise provided in the LTIP or the award agreement governing the award, the common units will vest in four equal installments on each of April 1, 2016, April 1, 2017, April 1, 2018 and April 1, 2019 so long as the Reporting Person remains continuously employed by the Issuer, Black Stone Minerals GP, L.L.C. (the "General Partner"), or any of their respective affiliates through each such vesting date.

2. Common units subject to a restricted unit award issued pursuant to the LTIP. Except as otherwise provided in the LTIP or the award agreement governing the award, a portion of the common units will vest on each of January 1, 2016, March 15, 2016, January 1, 2017, March 15, 2017, and March 15, 2018 so long as the Reporting Person remains continuously employed by the Issuer, the General Partner, or any of their respective affiliates through each such vesting date.

3. Acquired pursuant to the Merger and Contribution Agreement, dated May 6, 2015, by and among Black Stone Minerals Merger Sub LLC, Black Stone Minerals Company, L.P., and Black Stone Minerals, L.P.

4. Each subordinated unit will convert into one common unit representing a limited partner interest in the Issuer at the end of the subordination period described in the Issuer's Registration Statement on Form S-1 (File No. 333-202875).

5. Subordinated units subject to a restricted unit award issued pursuant to the LTIP. Except as otherwise provided in the LTIP or the award agreement governing the award, a portion of the subordinated units will vest on each of January 1, 2016, March 15, 2016, January 1, 2017, March 15, 2017, and March 15, 2018 so long as the Reporting Person remains continuously employed by the Issuer, the General Partner, or any of their respective affiliates through each such vesting date.

6. Each preferred unit may be converted at any time at the option of the holder thereof into common units at the then-effective conversion rate. In addition, on January 1 of each year from 2016 to 2018 a number of preferred units will automatically convert into common units and subordinated units at the then-effective conversion rate, as described in the Issuer's Registration Statement on Form S-1, as amended (File No. 333-202875).

Remarks:

Senior Vice President and Chief Financial Officer

	/s/ Steve Putman, Attorney-in-Fact for Marc Carroll	05/08/2015
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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