Black Stone Minerals, L.P. (BSM): CEO bought ~$239K

~$239K

Approx. value · 20K sh @ $11.97

3.45M

Holds after · shares reported

Traded

Aug 19, 2025

Filed

Aug 20, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Aug 7, 2025InsiderCEO purchased ~$241K of BSM shares in the open market
2. Aug 8, 2025InsiderCEO purchased ~$336K of BSM shares in the open market
3. Aug 11, 2025InsiderCEO purchased ~$303K of BSM shares in the open market
4. Aug 12, 2025InsiderCEO purchased ~$114K of BSM shares in the open market
5. Aug 19, 2025 · this disclosureInsiderCEO purchased ~$239K of BSM shares in the open market

What came next

1. Aug 20, 2025InsiderCEO purchased ~$253K of BSM shares in the open market
2. Sep 8, 2025InsiderCEO purchased ~$161K of BSM shares in the open market
3. Sep 9, 2025InsiderCEO purchased ~$16K of BSM shares in the open market
4. Sep 10, 2025InsiderCEO purchased ~$130K of BSM shares in the open market
5. Sep 11, 2025InsiderCEO purchased ~$16K of BSM shares in the open market
6. Sep 12, 2025InsiderCEO purchased ~$176K of BSM shares in the open market
7. Oct 30, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On October 30, 2025, William Mathis submitted his resignation from the Board of Directors (the “Board”) of Black Stone Minerals GP, L.L.C., the general partner (the “General Partner”) of Black Stone Minerals, L.P. (the “Partnership”), effective immediately.”
8. Nov 3, 2025Company filing · Form 8-K · ResultsReported its results

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Black Stone Minerals, L.P.

For Black Stone Minerals, L.P., OQRO holds 5 insider filings (SEC Form 4 or Form 144) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its BSM page.

Other recent filings by Thomas L Jr Carter, CEO, President, and Chairman

• SEC Form 4 at Black Stone Minerals, L.P. (BSM)Nov 10, 2026
• SEC Form 4 at Black Stone Minerals, L.P. (BSM)Sep 12, 2025
• SEC Form 4 at Black Stone Minerals, L.P. (BSM)Sep 12, 2025
• SEC Form 4 at Black Stone Minerals, L.P. (BSM)Sep 10, 2025
• SEC Form 4 at Black Stone Minerals, L.P. (BSM)Sep 10, 2025

The full history of Thomas L Jr Carter, CEO, President, and Chairman is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Black Stone Minerals, L.P.

• SEC Form 4Nov 10, 2026
• SEC Form 4Nov 10, 2026
• SEC Form 4Nov 10, 2026
• SEC Form 144Nov 9, 2026
• SEC Form 144Nov 9, 2026
• SEC Form 4Sep 12, 2025

Everything OQRO holds on this company is on its BSM page.