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Filing Details

Accession Number:: 0001209191-15-040788
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2015-05-08 19:18:43
Reporting Period:: 2015-05-06

Filing Date:: 2015-05-08
Accepted Time:: 2015-05-08 19:18:43
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
1623070	Brock Morris	1001 Fannin Street, Suite 2020 Houston TX 77002	See Remarks	No	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
Common Units Representing Limited Partner Interests	Acquisiton	2015-05-06	138,081	$0.00	138,081	No	4	A	Direct
Common Units Representing Limited Partner Interests	Acquisiton	2015-05-06	31,634	$0.00	169,715	No	4	J	Direct
Common Units Representing Limited Partner Interests	Acquisiton	2015-05-06	9,251	$0.00	178,966	No	4	J	Direct
Common Units Representing Limited Partner Interests	Acquisiton	2015-05-06	2,500	$19.00	181,466	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	A	Direct
No	4	J	Direct
No	4	J	Direct
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	41,434	$0.00	41,434	$0.00
Common Units Representing Limited Partner Interests	Subordinated units representing limited partner interests	Acquisiton	2015-05-06	12,117	$0.00	12,117	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
41,434			No	4	J	Direct
53,551			No	4	J	Direct

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, 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.
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.
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.
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).
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.
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.