SEC Form 4 · accession 0001209191-18-024435

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 · 7:29 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 5, 2018	C	152	—	A	2,922	I	By wife
Common units representing limited partner interests^F1	Apr 5, 2018	C	91	—	A	4,824	I	By son
Common units representing limited partner interests^F1	Apr 5, 2018	C	91	—	A	4,809	I	By daughter
Common units representing limited partner interests^F1	Apr 5, 2018	C	273	—	A	15,351	I	By Donald Mark DeWalch Trust
Common units representing limited partner interests	holding	—	—		—	92,565	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Subordinated units representing limited partner interests^F1,F2	—	Apr 5, 2018	C	199	A	—	—	Common units representing limited partner interests	199	3,827	I
Subordinated units representing limited partner interests^F1,F2	—	Apr 5, 2018	C	119	A	—	—	Common units representing limited partner interests	119	4,333	I
Subordinated units representing limited partner interests^F1,F2	—	Apr 5, 2018	C	119	A	—	—	Common units representing limited partner interests	119	4,333	I
Subordinated units representing limited partner interests^F1,F2	—	Apr 5, 2018	C	358	A	—	—	Common units representing limited partner interests	358	20,108	I
Preferred units representing limited partner interests^F1,F3	—	Apr 5, 2018	C	5	D	—	—	Common and subordinated units representing LP interests	—	0	I
Preferred units representing limited partner interests^F1,F3	—	Apr 5, 2018	C	3	D	—	—	Common and subordinated units representing LP interests	—	0	I
Preferred units representing limited partner interests^F1,F3	—	Apr 5, 2018	C	3	D	—	—	Common and subordinated units representing LP interests	—	0	I
Preferred units representing limited partner interests^F1,F3	—	Apr 5, 2018	C	9	D	—	—	Common and subordinated units representing LP interests	—	0	I
Subordinated units representing limited partner interests^F2	—	holding	—	—	—	—	—	Common units representing limited partner interests	70,865	70,865	D

F1A 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.
F2Each 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).
F3Each 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).