Summary
Updated Aug 31, 2026
James Whitehead is Director of Black Stone Minerals, L.P. (BSM). 2 SEC Form 4 filings on record, most recently on 10 August 2026. Most recent open-market trade: sold $21.52M of BSM on 10 August 2026. Lifetime open-market sales: $28.10M.
Recent Transactions
3Every recent SEC Form 4 transaction James Whitehead has reported, most recent first.
Trading Pattern
InsiderAlpha's records for James Whitehead go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies James Whitehead files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- D. Mark Dewalch - $1.48M of BSM open-market activity in the last 12 months
- Thomas L. Carter Jr. - $1.42M of BSM open-market activity in the last 12 months
- Luke Stevens Putman - $1.31M of BSM open-market activity in the last 12 months
- Ashley J. Longmaid - $150K of BSM open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is James Whitehead?
James Whitehead is a corporate insider, tracked as Director of Black Stone Minerals, L.P. (BSM). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has James Whitehead submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has James Whitehead been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($28.10M) across all tracked filings.
Where can I see all of James Whitehead's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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