BLACK STONE MINERALS (BSM) insider trading activity (SEC Form 4). Over the trailing 90 days, BSM insiders filed 4 purchases totalling $2.4M and 1 sales totalling $150K — net BUYING of $2.3M. Most recent filing: Jun 2, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.
| Filed | Insider | Role | Type | Shares | Price | Value | |
|---|---|---|---|---|---|---|---|
| Jun 2, 2026 | Dewalch D Mark | Dir | P Purchase | — | $13.55 | $985K | filing |
| May 28, 2026 | Dewalch D Mark | Dir | P Purchase | — | $13.21 | $497K | filing |
| May 14, 2026 | Carter Thomas L Jr | Exec COB | P Purchase | — | $13.50 | $15K | filing |
| May 13, 2026 | Longmaid Ashley J | Dir | S Sale | — | $13.45 | $150K | filing |
| May 12, 2026 | Carter Thomas L Jr | Exec COB | P Purchase | — | $13.42 | $909K | filing |