Summary
Updated Aug 31, 2026
Jean-Marc Gilson files SEC Form 4 reports at Corteva, Inc. (CTVA). 5 SEC Form 4 filings on record going back to 2025, most recently on 30 April 2026. Most recent open-market trade: bought $28K of WLKP on 28 August 2025. Lifetime open-market purchases: $173K. Historical track record: 1/5 stars across 8 tracked purchases.
Recent Transactions
9Every recent SEC Form 4 transaction Jean-Marc Gilson 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 | ★☆☆☆☆ (1/5) |
| Total purchases tracked | 8 |
| Purchases with forward-return data | 8 |
| 30-day win rate | 13% |
| 90-day win rate | 38% |
| Avg 5-day return | +0.06% |
| Avg 30-day return | -2.74% |
| Avg 90-day return | -8.82% |
| Best 30-day return | +0.18% |
Trading Pattern
InsiderAlpha's records for Jean-Marc Gilson go back to 2025: 5 primary Form 4 filings, an average of 2.5 per year. The typical open-market purchase is $22K (8 buys totaling $173K). The largest single buy on record is $103K of WLKP in 2025. 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 Jean-Marc Gilson 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.
- Albert Chao - $6.13M of WLK open-market activity in the last 12 months
- Mark Steven Bender - $3.60M of WLK open-market activity in the last 12 months
- Brian Titus - $636K of CTVA open-market activity in the last 12 months
- Robert F. Buesinger - $461K of WLK 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 Jean-Marc Gilson?
Jean-Marc Gilson is a corporate insider of Corteva, Inc. (CTVA). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Jean-Marc Gilson last file a Form 4?
The most recent primary Form 4 on record is dated 30 April 2026, one of 5 filings going back to 2025.
Has Jean-Marc Gilson been buying or selling stock?
Recorded transactions: 8 open-market purchases ($173K) and 0 open-market sales across all tracked filings.
How accurate is Jean-Marc Gilson's historical track record?
Across 8 tracked purchases, Jean-Marc Gilson averaged -2.7% avg 30-day return with a 12% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
Where can I see all of Jean-Marc Gilson'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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