D. Mark Dewalch
Director · Black Stone Minerals, L.P.
IndividualBuying only
- 2024
- Oct 5, 2026
- 9
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies D. Mark Dewalch 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 in BSM purchases and sales in the last 12 months
- Luke Stevens Putman - $1.31M in BSM purchases and sales in the last 12 months
- Thomas L. Carter Jr. - $924K in BSM purchases and sales in the last 12 months
- Ashley J. Longmaid - $150K in BSM purchases and sales in the last 12 months
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Frequently asked questions
Who is D. Mark Dewalch?
D. Mark Dewalch is a corporate insider, tracked as Director of Black Stone Minerals, L.P. (BSM). InsiderAlpha holds 9 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 D. Mark Dewalch submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has D. Mark Dewalch been buying or selling stock?
Recorded transactions: 3 open-market purchases ($1.48M) and 0 open-market sales across all tracked filings.
