Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as Koy W. Diepholz. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Gareth Nichol - $2.89M of DYNR open-market activity on record
- Matthew K. Rose - $1.75M of DYNR open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Koy W. Diepholz?
Koy W. Diepholz is a corporate insider of DYNARESOURCE, INC. (DYNR). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Koy W. Diepholz last file a Form 4?
The most recent primary Form 4 on record is dated 15 August 2025, one of 3 filings going back to 2025.
Has Koy W. Diepholz been buying or selling stock?
Recorded transactions: 6 open-market purchases ($76K) and 0 open-market sales across all tracked filings.
How accurate is Koy W. Diepholz's historical track record?
Across 6 tracked purchases, Koy W. Diepholz averaged +12.0% avg 30-day return with a 100% 30-day win rate. InsiderAlpha rates the track record at 5/5 stars.
Where can I see all of Koy W. Diepholz'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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