Summary
Updated Aug 31, 2026
Mark Okey Decker Jr. is CEO and President, Director of Chiron Real Estate Inc. (XRN). 8 SEC Form 4 filings on record going back to 2024, most recently on 14 August 2026. Most recent open-market trade: bought $247K of XRN on 14 August 2026. Lifetime open-market purchases: $1.26M.
Recent Transactions
10Every recent SEC Form 4 transaction Mark Okey Decker Jr. 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 | 6 |
| Purchases with forward-return data | 2 |
| 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 Mark Okey Decker Jr. go back to 2024: 8 primary Form 4 filings, an average of 2.7 per year. The typical open-market purchase is $140K (9 buys totaling $1.26M). The largest single buy on record is $287K 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 Mark Okey Decker Jr. 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
- 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
- Ronald Marston - $51K 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 Mark Okey Decker Jr.?
Mark Okey Decker Jr. is a corporate insider, tracked as CEO and President, Director of Chiron Real Estate Inc. (XRN). InsiderAlpha holds 8 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 Mark Okey Decker Jr. submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Mark Okey Decker Jr. been buying or selling stock?
Recorded transactions: 9 open-market purchases ($1.26M) and 0 open-market sales across all tracked filings.
How accurate is Mark Okey Decker Jr.'s historical track record?
Across 6 tracked purchases, Mark Okey Decker Jr. averaged +9.0% avg 30-day return with a 100% 30-day win rate.
Where can I see all of Mark Okey Decker Jr.'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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