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Filing Details

Accession Number:: 0001209191-15-040816
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2015-05-08 20:10:01
Reporting Period:: 2015-05-06

Filing Date:: 2015-05-08
Accepted Time:: 2015-05-08 20:10:01
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1621434	Black Stone Minerals L.p.	BSM	Crude Petroleum & Natural Gas (1311)	471846692

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1319960	Jr L Thomas Carter	1001 Fannin Street, Suite 2020 Houston TX 77002	See Remarks	Yes	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Units Representing Limited Partner Interests	Acquisiton	2015-05-06	112,439	$0.00	112,439	No	4	J	Direct
Common Units Representing Limited Partner Interests	Acquisiton	2015-05-06	97,172	$0.00	209,611	No	4	J	Direct
Common Units Representing Limited Partner Interests	Acquisiton	2015-05-06	8,118,065	$0.00	8,327,676	No	4	J	Indirect	By Camden Energy Limited Partnership
Common Units Representing Limited Partner Interests	Acquisiton	2015-05-06	22,757	$0.00	8,350,433	No	4	J	Indirect	By Preference Partners LP
Common Units Representing Limited Partner Interests	Acquisiton	2015-05-06	12,500	$19.00	8,362,933	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	J	Direct
No	4	J	Direct
No	4	J	Indirect	By Camden Energy Limited Partnership
No	4	J	Indirect	By Preference Partners LP
No	4	P	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Units Representing Limited Partner Interests	Subordinated units representing limited partner interests	Acquisiton	2015-05-06	147,270	$0.00	147,270	$0.00
Common Units Representing Limited Partner Interests	Subordinated units representing limited partner interests	Acquisiton	2015-05-06	127,274	$0.00	127,274	$0.00
Common Units Representing Limited Partner Interests	Subordinated units representing limited partner interests	Acquisiton	2015-05-06	10,632,841	$0.00	10,632,841	$0.00
Common Units Representing Limited Partner Interests	Subordinated units representing limited partner interests	Acquisiton	2015-05-06	29,808	$0.00	29,808	$0.00
Common And Subordinated Units Representing Lp Interests	Preferred units representing limited partner interests	Acquisiton	2015-05-06	2,250	$0.00	0	$0.00

Remaning Holdings	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
147,270	No	4	J	Direct
274,544	No	4	J	Direct
10,907,385	No	4	J	Indirect
10,937,193	No	4	J	Indirect
10,939,443	No	4	J	Indirect

Footnotes

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, 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, Black Stone Minerals GP, L.L.C. (the "General Partner"), or any of their respective affiliates through each such vesting date.
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.
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.
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, as amended (File No. 333-202875).
The reporting person purchased the securities through the Directed Unit Program conducted in connection with the initial public offering of Black Stone Minerals, L.P.
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).