Summary
Updated Aug 31, 2026
Alexander D. Stuart is Director of Black Stone Minerals, L.P. (BSM). 8 SEC Form 4 filings on record going back to 2024, most recently on 19 August 2026.
Recent Transactions
8Every recent SEC Form 4 transaction Alexander D. Stuart has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Alexander D. Stuart go back to 2024: 8 primary Form 4 filings, an average of 2.7 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 Alexander D. Stuart 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.
- James Whitehead - $28.10M of BSM open-market activity in the last 12 months
- 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 Alexander D. Stuart?
Alexander D. Stuart is a corporate insider, tracked as Director of Black Stone Minerals, L.P. (BSM). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Alexander D. Stuart submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Where can I see all of Alexander D. Stuart'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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