Summary
Updated Aug 31, 2026
Diane Leopold files SEC Form 4 reports at nVent Electric plc (NVT). 12 SEC Form 4 filings on record going back to 2025, most recently on 20 July 2026. Most recent open-market trade: bought $89K of MKL on 8 May 2026. Lifetime open-market purchases: $602K. Historical track record: 3/5 stars across 5 tracked purchases.
Recent Transactions
14Every recent SEC Form 4 transaction Diane Leopold 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 | ★★★☆☆ (3/5) |
| Total purchases tracked | 5 |
| Purchases with forward-return data | 5 |
| 30-day win rate | 60% |
| 90-day win rate | 80% |
| Avg 5-day return | +0.82% |
| Avg 30-day return | +2.07% |
| Avg 90-day return | +9.77% |
| Best 30-day return | +4.60% |
Trading Pattern
InsiderAlpha's records for Diane Leopold go back to 2025: 12 primary Form 4 filings, an average of 6.0 per year. The typical open-market purchase is $120K (5 buys totaling $602K). The largest single buy on record is $179K of MKL 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 Diane Leopold 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.
- Sara E. Zawoyski - $18.11M of NVT open-market activity in the last 12 months
- Jon D. Lammers - $10.71M of NVT open-market activity in the last 12 months
- Beth Wozniak - $9.83M of NVT open-market activity in the last 12 months
- Lynnette R. Heath - $8.33M of NVT open-market activity in the last 12 months
- Randolph A. Wacker - $4.94M of NVT open-market activity in the last 12 months
- Aravind Padmanabhan - $3.96M of NVT 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 Diane Leopold?
Diane Leopold is a corporate insider of nVent Electric plc (NVT). InsiderAlpha holds 12 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Diane Leopold submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Diane Leopold been buying or selling stock?
Recorded transactions: 5 open-market purchases ($602K) and 0 open-market sales across all tracked filings.
How accurate is Diane Leopold's historical track record?
Across 5 tracked purchases, Diane Leopold averaged +2.1% avg 30-day return with a 60% 30-day win rate. InsiderAlpha rates the track record at 3/5 stars.
Where can I see all of Diane Leopold'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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