Carter Thomas L Jr 4
4 · Black Stone Minerals, L.P. · Filed May 12, 2026
Research Summary
AI-generated summary of this filing
Black Stone Minerals (BSM) Exec Chairman Carter Thomas Jr Buys 67,758 Shares
What Happened
Carter Thomas L. Jr., Executive Chairman and Director of Black Stone Minerals, purchased a total of 67,758 common units (shares) in three open-market transactions between May 8 and May 12, 2026, for an aggregate cost of approximately $909,335. The individual transactions were: 23,604 units on 2026-05-08 ($13.32 weighted avg, $314,372), 25,000 units on 2026-05-11 ($13.47 weighted avg, $336,855), and 19,154 units on 2026-05-12 (~$13.48 weighted avg, $258,108). These were purchases (code P), which are often viewed as a more informative/bullish signal than routine sales, though no motive is stated.
Key Details
- Dates & weighted-average prices:
- 2026-05-08: 23,604 units @ weighted avg $13.32 (total ~$314,372) — prices ranged $13.29–$13.34 (Footnote F1).
- 2026-05-11: 25,000 units @ weighted avg $13.47 (total ~$336,855) — prices ranged $13.44–$13.48 (Footnote F2).
- 2026-05-12: 19,154 units @ weighted avg $13.48 (total ~$258,108) — prices ranged $13.42–$13.50 (Footnote F3).
- Total purchased: 67,758 units for ~ $909,335.
- Shares owned after transaction: Not specified in the provided filing.
- Filing timeliness: Form filed on 2026-05-12 covering transactions from 2026-05-08 to 2026-05-12; filing falls within normal Form 4 timing (transactions reported within required business-day window).
- Notes: Footnotes indicate each reported price is a weighted average across multiple executions; the filer offers to provide breakdown of amounts at each price upon request.
Context: These were open-market purchases by the company’s Executive Chairman (not derivative exercises or gifts). Purchases by senior executives can be of interest to retail investors as a direct buy of the company’s units, but filings do not explain the insider’s motivation.
Insider Transaction Report
- Purchase
Common units representing limited partner interests
[F1]2026-05-08$13.32/sh+23,604$314,372→ 3,637,450 total - Purchase
Common units representing limited partner interests
[F2]2026-05-11$13.47/sh+25,000$336,855→ 3,662,450 total - Purchase
Common units representing limited partner interests
[F3]2026-05-12$13.48/sh+19,154$258,108→ 3,681,604 total
Footnotes (3)
- [F1]The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions at prices ranging from $13.29 to $13.34, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common units purchased at each separate price within the ranges set forth in this footnote.
- [F2]The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions at prices ranging from $13.44 to 13.48, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common units sold at each separate price within the ranges set forth in this footnote.
- [F3]The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions at prices ranging from $13.42 to $13.50, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common units purchased at each separate price within the ranges set forth in this footnote.