Stefan Constantin Ionel
CIK 0001940928
Chief Technology Officer
Filings
21
Latest May 28, 2026
Issuers covered
1
Showing
21 of 21
Page 1
Track record
16 of 18 open-market trades scored (89% price coverage) - 2 issuers without price data. Returns are signed: a +10% move on a sale shows as -10% (insider was wrong).
| Horizon | Trades | Win rate | Avg | Median | Best | Worst |
|---|---|---|---|---|---|---|
| 30 days | 16 | 75% | -5.3% | +9.5% | +17.7% | -77.6% |
| 90 days | 16 | 25% | -50.5% | -63.4% | +26.7% | -178.5% |
| 180 days | 10 | 20% | -81.8% | -44.5% | +27.3% | -331.0% |
| 365 days | 8 | 25% | -214.1% | -161.0% | +78.0% | -532.2% |
Issuers
Companies where Stefan Constantin Ionel has filed
| Ticker | Issuer | Filings | Last filed |
|---|---|---|---|
| AMPX | Amprius Technologies, Inc. | 21 | May 28, 2026 |
All filings
21 Form 4 / 4-A filings, newest first
| Filed | Top transaction | Shares | Price | Value | ||
|---|---|---|---|---|---|---|