SEC Filing - Black Stone Minerals L.P.

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SEC FORM 4 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).

1. Name and Address of Reporting Person^*

Mathis William N.

(Last)

(First)

(Middle)

1001 FANNIN STREET, SUITE 2020

(Street)

HOUSTON

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)
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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common units representing limited partner interests	05/06/2015		A		5,263	A	$0.00	5,263	D
Common units representing limited partner interests	05/06/2015		J⁽¹⁾		23,907	A	⁽¹⁾	29,170	D
Common units representing limited partner interests	05/06/2015		J⁽¹⁾		77,459	A	⁽¹⁾	106,629	I	By Conti Street Partners, L.P.
Common units representing limited partner interests	05/06/2015		J⁽¹⁾		242,714	A	⁽¹⁾	349,343	I	By Conti Street Minerals, L.P.
Common units representing limited partner interests	05/06/2015		J⁽¹⁾		588,939	A	⁽¹⁾	938,282	I	By WM Capital Partners, L.P.
Common units representing limited partner interests	05/06/2015		J⁽¹⁾⁽⁴⁾		189,117	A	$0.00	1,127,399	I	By The Estate of Isabel Brown Wilson
Common units representing limited partner interests	05/06/2015		J⁽¹⁾		101,755	A	⁽¹⁾	1,229,154	I	By Travis A. Mathis Special Trust

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Subordinated units representing limited partner interests	⁽²⁾	05/06/2015		J⁽¹⁾		31,314		⁽²⁾	⁽²⁾	Common units representing limited partner interests	31,314	⁽¹⁾	31,314	D
Subordinated units representing limited partner interests	⁽²⁾	05/06/2015		J⁽¹⁾		101,454		⁽²⁾	⁽²⁾	Common units representing limited partner interests	101,454	⁽¹⁾	132,768	I	By Conti Street Partners, L.P.
Subordinated units representing limited partner interests	⁽²⁾	05/06/2015		J⁽¹⁾		317,903		⁽²⁾	⁽²⁾	Common units representing limited partner interests	317,903	⁽¹⁾	450,671	I	By Conti Street Minerals, L.P.
Subordinated units representing limited partner interests	⁽²⁾	05/06/2015		J⁽¹⁾		771,379		⁽²⁾	⁽²⁾	Common units representing limited partner interests	771,379	⁽¹⁾	1,222,050	I	By WM Capital Partners, L.P.
Subordinated units representing limited partner interests	⁽²⁾	05/06/2015		J⁽¹⁾⁽⁴⁾		247,701		⁽²⁾	⁽²⁾	Common units representing limited partner interests	247,701	⁽¹⁾⁽⁴⁾	1,469,751	I	By The Estate of Isabel Brown Wilson
Subordinated units representing limited partner interests	⁽²⁾	05/06/2015		J⁽¹⁾		133,277		⁽²⁾	⁽²⁾	Common units representing limited partner interests	133,277	⁽¹⁾	1,603,028	I	By Travis A. Mathis Special Trust
Preferred units representing limited partner interests	⁽³⁾	05/06/2015		J⁽¹⁾		24,000		⁽³⁾	⁽³⁾	Common and subordinated units representing LP interests	⁽³⁾	⁽¹⁾	1,627,028	I	By Conti Street Minerals, L.P.

Explanation of Responses:

1. 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.

2. 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).

3. 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 (File No. 333-202875).

4. The reporting person is a beneficiary of The Estate of Isabel Brown Wilson (the "Estate") and has served as co-executor of the Estate for a period of more than 12 months. The securities held by the Estate have not been transferred to the reporting person.

Remarks:

	/s/ Steve Putman, Attorney-in-Fact for William N. Mathis	05/08/2015
	** 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).
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