Putman Luke Stevens 4/A

What Happened

• Putman Luke Stevens, SVP, General Counsel and Secretary of Black Stone Minerals, sold 30,276 common units on March 5, 2026, at $15.25 per unit, generating proceeds of about $461,585. The sale was reported as an open-market/private sale (transaction code S) and was effected pursuant to a Rule 10b5-1 trading plan.

Key Details

• Transaction date and price: March 5, 2026 — 30,276 units at $15.25 each.
• Total value: Approximately $461,585.
• Plan: Sale executed under a Rule 10b5-1 trading plan adopted December 4, 2025 (footnote clarifies this was omitted from an earlier Form 4).
• Filing/Amendment: An initial Form 4 was filed March 6, 2026; this Form 4 is an amended filing submitted May 6, 2026 to include the plan adoption date.
• Shares owned after transaction: Not specified in the provided filing excerpt.

Context

• This was a sale (often routine for insiders) carried out under a pre-established 10b5-1 plan, which typically provides an objective schedule for trades and reduces the likelihood that the transaction reflects current, non-public company information.
• The amendment was to add the plan adoption date; the initial report was timely, but the correction was filed later — investors should note the amendment but not infer motive from the sale alone.