Summary
Updated Aug 31, 2026
Mark A. Ledoux is CEO/Chairman, Director, 10% Owner of NATURAL ALTERNATIVES INTERNATIONAL INC (NAII). 6 SEC Form 4 filings on record, most recently on 11 March 2026. Most recent open-market trade: bought $1K of NAII on 7 March 2026. Lifetime open-market purchases: $27K. Historical track record: 2/5 stars across 14 tracked purchases.
Recent Transactions
16Every recent SEC Form 4 transaction Mark A. Ledoux 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 | ★★☆☆☆ (2/5) |
| Total purchases tracked | 14 |
| Purchases with forward-return data | 14 |
| 30-day win rate | 29% |
| 90-day win rate | 7% |
| Avg 5-day return | +1.46% |
| Avg 30-day return | -0.34% |
| Avg 90-day return | -5.06% |
| Best 30-day return | +7.80% |
Trading Pattern
InsiderAlpha's records for Mark A. Ledoux go back to 2026: 6 primary Form 4 filings, an average of 6.0 per year. The typical open-market purchase is $2K (14 buys totaling $27K). The largest single buy on record is $6K of NAII 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.
Most Active Insiders Right Now
Mark A. Ledoux has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Niccolo Camerana - $478.31M of STNG open-market activity in the last 90 days
- Kenneth Bryan Dart - $468.21M of FLUT open-market activity in the last 90 days
- RA CAPITAL MANAGEMENT, L.P. - $430.69M of PBLS open-market activity in the last 90 days
- DST Global Advisors Ltd - $416.93M of CHYM open-market activity in the last 90 days
- Green LTF Holdings II LP - $410.21M of LTH open-market activity in the last 90 days
- John Kristofer Galashan - $410.21M of LTH open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Mark A. Ledoux?
Mark A. Ledoux is a corporate insider, tracked as CEO/Chairman, Director, 10% Owner of NATURAL ALTERNATIVES INTERNATIONAL INC (NAII). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Mark A. Ledoux last file a Form 4?
The most recent primary Form 4 on record is dated 11 March 2026, one of 6 filings going back to 2026.
Has Mark A. Ledoux been buying or selling stock?
Recorded transactions: 14 open-market purchases ($27K) and 0 open-market sales across all tracked filings.
How accurate is Mark A. Ledoux's historical track record?
Across 14 tracked purchases, Mark A. Ledoux averaged -0.3% avg 30-day return with a 29% 30-day win rate. InsiderAlpha rates the track record at 2/5 stars.
Where can I see all of Mark A. Ledoux'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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