Charles Cherington, 10% Owner at Comera Life Sciences Holdings, Inc. (CMRA), bought 1,760,390 shares at $0.51 ($898K) on 2023-07-31, disclosed to the SEC on 2023-08-25.
Open-market purchase of $898k CMRA by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $0.51 | 880,195 | $449K | 50.0% |
| 2 | $0.51 | 880,195 | $449K | 50.0% |
| Total | $0.51 avg | 1,760,390 | $898K | 100% |
| Filing → |
| ERNA | BUY | 2025-04-04 | $754K | — | Filing → |
| CMRA | BUY | 2023-09-11 | $2.1M | — | Filing → |
| CMRA | BUY | 2023-01-06 | $1.8M | — | Filing → |