SEC Form 4Coverage since May 28, 2026
$BSM insider trading
Over the last 12 months, Black Stone Minerals insiders reported 3 buys totaling $1.5M and no sales across SEC Form 4 filings.
- Bought · 12m
- $1.5M 3 events
- Sold · 12m
- — 0 events
- Events · 12m
- 3 Form 4 filings, grouped
- Insiders · 12m
- 1 distinct reporters
- 10b5-1 share
- 0% pre-arranged plans
Side
Price · $BSM · 12Mvia TradingView
Top insiders · 12m
DeWalch D Mark—3× · $1.5M
All insider trades
3 events
| Date | Insider | Type | Shares | Avg price | Value | Δ stake | Marks |
|---|---|---|---|---|---|---|---|
| Jun 1, 2026 | DeWalch D MarkD | ▲ Buy | 36,363 | $13.62 | $495K | +6.1% | indirect |
| May 29, 2026 | DeWalch D MarkD | ▲ Buy | 36,363 | $13.48 | $490K | +6.5% | indirect |
| May 28, 2026 | DeWalch D MarkD | ▲ Buy | 37,650 | $13.21 | $497K | +9.6% | — |
About Form 4
Corporate insiders — officers, directors and 10%+ owners — must report their trades to the SEC on Form 4 within two business days. We group each filing's transactions into one economic event (a laddered 10b5-1 sale is one event, not 25 rows), flag pre-arranged plans and late filings, and link every event to its AI-scored article in the $BSM feed.