Vanderploeg Martin J.
CIK 0001014008
President & CEODirector
Filings
21
Latest Jun 3, 2026
Issuers covered
1
Showing
21 of 21
Page 1
Track record
5 of 5 open-market trades scored (100% price coverage). 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 | 5 | 40% | +3.4% | -1.7% | +11.7% | -3.2% |
| 90 days | 5 | 100% | +31.1% | +22.6% | +45.5% | +19.2% |
| 180 days | 5 | 100% | +26.7% | +20.2% | +38.3% | +16.5% |
| 365 days | 5 | 40% | +2.5% | -1.8% | +10.8% | -3.5% |
Issuers
Companies where Vanderploeg Martin J. has filed
| Ticker | Issuer | Filings | Last filed |
|---|---|---|---|
| WK | Workiva Inc | 21 | Jun 3, 2026 |
All filings
21 Form 4 / 4-A filings, newest first
| Filed | Top transaction | Shares | Price | Value | ||
|---|---|---|---|---|---|---|