Nierenberg David
CIK 0001040899
Director10% Owner
Filings
11
Latest Mar 31, 2025
Issuers covered
2
Showing
11 of 11
Page 1
Track record
13 of 27 open-market trades scored (48% price coverage) - 14 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 | 13 | 15% | -7.0% | -6.7% | +5.3% | -17.2% |
| 90 days | 13 | 0% | -16.4% | -19.1% | -1.1% | -29.7% |
| 180 days | 13 | 100% | +50.2% | +52.5% | +70.1% | +17.2% |
| 365 days | 13 | 85% | +108.6% | +127.4% | +151.7% | -20.6% |
Issuers
Companies where Nierenberg David has filed
| Ticker | Issuer | Filings | Last filed |
|---|---|---|---|
| FTK | Flotek Industries Inc/Cn/ | 7 | Dec 15, 2023 |
| PBPB | Potbelly Corp | 4 | Mar 31, 2025 |
All filings
11 Form 4 / 4-A filings, newest first
| Filed | Top transaction | Shares | Price | Value | ||
|---|---|---|---|---|---|---|