Robert D. Kamphuis is CEO & Chairman +1 at Mayville Engineering Company, Inc. (MEC). They have made 5 open-market trades across 1 company since 2019, most recently 2022-02-28.
CIK 0001775977
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
5 open-market purchases totalling $1.7M since 2019, never a sale. Across 5 scored buys the stock is down 4.6% at ninety days, and 14.2 points behind the S&P over the same stretch.
5 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| MEC | 454,169 | $6.3M |
Shares reported on the most recent Form 4, priced at the 2022-03-02 close.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 40% | 60% | 20% |
| Avg Move | +3.3% | +3.5% | -4.6% |
| Alpha | +2.1% | -1.1% | -14.2% |
| Scored | 5 | 5 | 5 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MEC | BUY | 2021-05-06 | 2021-05-07 | $16.32 | $163K | -5.2% | +12.9% | -1.1% |
| MEC | BUY | 2020-03-12 | 2020-03-16 | $5.50 | $165K | +21.5% | +4.1% | +33.2% |
| MEC | BUY | 2019-10-30 | 2019-11-01 | $8.79 | $352K | -7.6% | -9.6% | -22.8% |
| MEC | BUY | 2019-08-08 | 2019-08-12 | $12.09 | $181K | +12.2% | +12.4% | -19.4% |
| MEC | BUY | 2019-06-12 | 2019-06-14 | $12.95 | $861K | -4.2% | -2.6% | -13.1% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.