Key facts
- This page summarizes James Whitehead's Form 4 filing for Black Stone Minerals, L.P. (BSM).
- 2 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 10 Aug 2026, 16:48.
James Whitehead - 06 Aug 2026 Form 4 Insider Report for Black Stone Minerals, L.P. (BSM)
- Reporting relationship
- Director
- Issuer ticker
- BSM
- Reported as of
- 06 Aug 2026
- Net transaction value
- -$28,099,057
- SEC form
- 4
- Accepted by SEC
- 10 Aug 2026, 16:48:47 UTC
- Prior SEC filing
- 15 Jan 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Steve Putman, attorney-in-fact for James Whitehead
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
James Whitehead filed Form 4 for Black Stone Minerals, L.P. (BSM) on 10 Aug 2026.
Change
- Previous filing in this sequence was filed on 15 Jan 2026.
- Current net transaction value: -$28,099,057.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001987724
Primary reporting owner
Whitehead James
- Relationship
- Director
- Address
- 1001 FANNIN STREET, SUITE 2020, HOUSTON
- Signature
- /s/ Steve Putman, attorney-in-fact for James Whitehead
- Signature date
- 10 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
BSM
transaction
Common units representing limited partner interests
Sale
- Transaction value
- $6,583,111
- Shares
- -498,343
- Change %
- -100%
- Price
- $13.21
- Shares after
- 0
- Date
- 06 Aug 2026
- Ownership
- By Eagle Gathering System Ltd.
- Footnotes
- F1
BSM
transaction
Common units representing limited partner interests
Sale
- Transaction value
- $21,515,946
- Shares
- -1,628,762
- Change %
- -72%
- Price
- $13.21
- Shares after
- 646,058
- Date
- 06 Aug 2026
- Ownership
- By Lacy Properties Ltd.
- Footnotes
- F1
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 51,865
- Date
- 06 Aug 2026
- Ownership
- Direct
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 26,153
- Date
- 06 Aug 2026
- Ownership
- By trust
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 3,102,146
- Date
- 06 Aug 2026
- Ownership
- By Crain Energy Ltd.
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 25,152
- Date
- 06 Aug 2026
- Ownership
- By R Lacy Services Ltd. Retirement Plan
BSM
holding
Common units representing limited partner interests
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 253,195
- Date
- 06 Aug 2026
- Ownership
- By Crain Resources Ltd.
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
The Reporting Person has indicated that Eagle Gathering System Ltd., Lacy Properties Ltd., and R. Lacy Services Ltd. Retirement Plan plan to divest their common-unit positions by year-end 2026 for estate-planning and diversification purposes; the reported sales are part of that divestment plan.