Summary
Updated Aug 31, 2026
Marc Zenner is Director of OneSpan Inc. (OSPN). 3 SEC Form 4 filings on record going back to 2025, most recently on 4 March 2026. Most recent open-market trade: bought $35K of OSPN on 4 March 2026. Lifetime open-market purchases: $87K. Historical track record: 5/5 stars across 3 tracked purchases.
Recent Transactions
3Every recent SEC Form 4 transaction Marc Zenner 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 | 33% |
| Avg 5-day return | +6.01% |
| Avg 30-day return | +8.99% |
| Avg 90-day return | +13.25% |
| Best 30-day return | +20.84% |
Trading Pattern
InsiderAlpha's records for Marc Zenner go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. The typical open-market purchase is $29K (3 buys totaling $87K). The largest single buy on record is $35K of OSPN 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 Marc Zenner 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.
- Michael J. McConnell - $598K of OSPN open-market activity in the last 12 months
- Jorge Garcia Martell - $444K of OSPN open-market activity in the last 12 months
- Lara Mataac - of OSPN 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 Marc Zenner?
Marc Zenner is a corporate insider, tracked as Director of OneSpan Inc. (OSPN). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Marc Zenner last file a Form 4?
The most recent primary Form 4 on record is dated 4 March 2026, one of 3 filings going back to 2025.
Has Marc Zenner been buying or selling stock?
Recorded transactions: 3 open-market purchases ($87K) and 0 open-market sales across all tracked filings.
How accurate is Marc Zenner's historical track record?
Across 3 tracked purchases, Marc Zenner 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 Marc Zenner'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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