Mark A. Koch is CFO at EMAGIN CORP (EMAN). They have made 4 open-market trades across 1 company since 2020, most recently 2023-10-18.
CIK 0001302248
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.
2 open-market purchases totalling $9K since 2020, against 2 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| EMAN | 378,152 | $783K |
Shares reported on the most recent Form 4, priced at the 2023-10-19 close.
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.