Summary
Updated Aug 31, 2026
Robert Quartermain is CHIEF EXECUTIVE OFFICER, Director of Dakota Gold Corp. (DC). 9 SEC Form 4 filings on record going back to 2024, most recently on 15 April 2026. Most recent open-market trade: sold $75K of DC on 15 April 2026. Lifetime open-market purchases: $427K. Lifetime open-market sales: $1.80M. Historical track record: 1/5 stars across 11 tracked purchases.
Recent Transactions
17Every recent SEC Form 4 transaction Robert Quartermain has reported, most recent first.
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★☆☆☆☆ (1/5) |
| Total purchases tracked | 11 |
| Purchases with forward-return data | 11 |
| 30-day win rate | 18% |
| 90-day win rate | 82% |
| Avg 5-day return | -1.90% |
| Avg 30-day return | -1.98% |
| Avg 90-day return | +38.32% |
| Best 30-day return | +12.10% |
Trading Pattern
InsiderAlpha's records for Robert Quartermain go back to 2024: 9 primary Form 4 filings, an average of 3.0 per year. The typical open-market purchase is $39K (11 buys totaling $427K). The largest single buy on record is $65K of DC in 2025. Sales side: 2 recorded sales totaling $1.80M, so the filing history runs sell-heavy by dollar value. 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 Robert Quartermain 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.
- Stephen T. O'Rourke - $739K of DC open-market activity in the last 12 months
- Jennifer S. Grafton - $698K of DC open-market activity in the last 12 months
- Shawn Campbell - $495K of DC open-market activity in the last 12 months
- Todd J. Kenner - $100K of DC open-market activity in the last 12 months
- James McCoy Berry - $87K of DC 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 Robert Quartermain?
Robert Quartermain is a corporate insider, tracked as CHIEF EXECUTIVE OFFICER, Director of Dakota Gold Corp. (DC). InsiderAlpha holds 9 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Robert Quartermain last file a Form 4?
The most recent primary Form 4 on record is dated 15 April 2026, one of 9 filings going back to 2024.
Has Robert Quartermain been buying or selling stock?
Recorded transactions: 11 open-market purchases ($427K) and 2 open-market sales ($1.80M) across all tracked filings.
How accurate is Robert Quartermain's historical track record?
Across 11 tracked purchases, Robert Quartermain averaged -2.0% avg 30-day return with a 18% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
Where can I see all of Robert Quartermain'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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