Summary
Updated Aug 31, 2026
Ronald Marston is Director of Chiron Real Estate Inc. (XRN). 1 SEC Form 4 filing on record, dated 13 May 2026. Most recent open-market trade: bought $10K of XRN on 13 May 2026. Lifetime open-market purchases: $51K. Historical track record: 5/5 stars across 3 tracked purchases.
Recent Transactions
3Every recent SEC Form 4 transaction Ronald Marston 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 | ★★★★★ (5/5) |
| Total purchases tracked | 3 |
| Purchases with forward-return data | 3 |
| 30-day win rate | 100% |
| 90-day win rate | 100% |
| Avg 5-day return | +0.00% |
| Avg 30-day return | +9.03% |
| Avg 90-day return | +5.13% |
| Best 30-day return | +9.03% |
Trading Pattern
InsiderAlpha's records for Ronald Marston go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. The typical open-market purchase is $17K (3 buys totaling $51K). The largest single buy on record is $34K of XRN 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 Ronald Marston 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.
- Charles Fitzgerald - $1.49M of XRN open-market activity in the last 12 months
- Mark Okey Decker Jr. - $1.05M of XRN open-market activity in the last 12 months
- Aaron Robert Roseth - $496K of XRN open-market activity in the last 12 months
- Robert J. Kiernan - $196K of XRN open-market activity in the last 12 months
- Lori Wittman - $100K of XRN open-market activity in the last 12 months
- Danica Holley - $51K of XRN 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 Ronald Marston?
Ronald Marston is a corporate insider, tracked as Director of Chiron Real Estate Inc. (XRN). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Ronald Marston last file a Form 4?
The only primary Form 4 on record is dated 13 May 2026.
Has Ronald Marston been buying or selling stock?
Recorded transactions: 3 open-market purchases ($51K) and 0 open-market sales across all tracked filings.
How accurate is Ronald Marston's historical track record?
Across 3 tracked purchases, Ronald Marston averaged +9.0% 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 Ronald Marston'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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