Summary
Updated Aug 31, 2026
Frank Giustra is 10% Owner of Streamex Corp. (STEX). 3 SEC Form 4 filings on record going back to 2025, most recently on 5 February 2026. Most recent open-market trade: bought $317K of STEX on 5 February 2026. Lifetime open-market purchases: $4.05M.
Recent Transactions
7Every recent SEC Form 4 transaction Frank Giustra 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 |
|---|---|
| Total purchases tracked | 7 |
| Purchases with forward-return data | 2 |
| 30-day win rate | 0% |
| 90-day win rate | 0% |
| Avg 5-day return | +6.64% |
| Avg 30-day return | -35.18% |
| Avg 90-day return | -71.55% |
| Best 30-day return | -33.85% |
Trading Pattern
InsiderAlpha's records for Frank Giustra go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. The typical open-market purchase is $579K (7 buys totaling $4.05M). The largest single buy on record is $3.00M of STEX in 2026. 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 Frank Giustra 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.
- Morgan Lee Lekstrom - $627K of STEX open-market activity in the last 12 months
- Mitchell Young Williams - $390K of STEX open-market activity in the last 12 months
- Karl Henry Michael McPhie - $33K of STEX open-market activity in the last 12 months
- Anthony Mark Marciano - $20K of STEX open-market activity in the last 12 months
- Christine Marie Plummer - $15K of STEX 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 Frank Giustra?
Frank Giustra is a corporate insider, tracked as 10% Owner of Streamex Corp. (STEX). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Frank Giustra last file a Form 4?
The most recent primary Form 4 on record is dated 5 February 2026, one of 3 filings going back to 2025.
Has Frank Giustra been buying or selling stock?
Recorded transactions: 7 open-market purchases ($4.05M) and 0 open-market sales across all tracked filings.
How accurate is Frank Giustra's historical track record?
Across 7 tracked purchases, Frank Giustra averaged -35.2% avg 30-day return with a 0% 30-day win rate.
Where can I see all of Frank Giustra'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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