MGC Venture Partners 2018, L.P. is 10% Owner at CASTLE BIOSCIENCES INC (CSTL).
CIK 0001745133
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.
| Ticker | Shares | Value |
|---|---|---|
| CSTL | 1,472,137 | $47.0M |
Shares reported on the most recent Form 4, priced at the 2020-05-19 close.
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.