SEC Form 4 · accession 0001209191-18-024443

Black Stone Minerals, L.P. · BSM

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Director

Period of report

Apr 5, 2018

Accepted (ET)

Apr 9, 2018 · 7:33 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001621434

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common units representing limited partner interests^F1	Apr 6, 2018	A	1,283	$16.55	A	71,706	D
Common units representing limited partner interests^F2	Apr 5, 2018	C	242,745	—	A	485,459	I	By Conti Street Minerals, L.P.
Common units representing limited partner interests	holding	—	—		—	101,755	I	By Travis A. Mathis Special Trust
Common units representing limited partner interests	holding	—	—		—	189,117	I	By The Estate of Isabel Brown Wilson
Common units representing limited partner interests	holding	—	—		—	604,328	I	By WM Capital Partners, L.P.
Common units representing limited partner interests	holding	—	—		—	77,459	I	By Conti Street Partners, L.P.

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Subordinated units representing limited partner interests^F2,F3	—	Apr 5, 2018	C	317,942	A	—	—	Common units representing limited partner interests	317,942	635,845	I
Preferred units representing limited partner interests^F2,F4	—	Apr 5, 2018	C	8,000	D	—	—	Common and subordinated units representing LP interests	—	0	I
Subordinated units representing limited partner interests^F3	—	holding	—	—	—	—	—	Common units representing limited partner interests	31,314	31,314	D
Subordinated units representing limited partner interests^F3	—	holding	—	—	—	—	—	Common units representing limited partner interests	101,454	101,454	I
Subordinated units representing limited partner interests^F3	—	holding	—	—	—	—	—	Common units representing limited partner interests	771,379	771,379	I
Subordinated units representing limited partner interests^F3	—	holding	—	—	—	—	—	Common units representing limited partner interests	247,701	247,701	I
Subordinated units representing limited partner interests^F3	—	holding	—	—	—	—	—	Common units representing limited partner interests	133,277	133,277	I

F1Pursuant to a previous arrangement, the Reporting Person elected to receive common units in lieu of a cash retainer for service on the Board of Directors of the Partnership's General Partner.
F2A portion of the Series A Preferred Units automatically converted into Common Units and Subordinated Units under the terms of the Limited Partnership Agreement. Each Series A Preferred Unit converted into 30.3431 Common Units and 39.7427 Subordinated Units.
F3Each 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).
F4Each 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, 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 unless redeemed, as described in the Issuer's Registration Statement on Form S-1 (File No. 333-202875).