Casdin Partners Master Fund, L.P., 10% Owner at BIOLIFE SOLUTIONS INC (BLFS), bought 105,054 shares at $20.19 ($2.2M) on 2023-05-16, disclosed to the SEC on 2023-05-18.
Open-market purchase of $2.2M BLFS 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 | $20.19 | 15,000 | $303K | 13.6% |
| 2 | $21.30 | 30,027 | $640K | 28.6% |
| 3 | $21.30 | 30,027 | $640K | 28.6% |
| 4 | $21.76 | 30,000 | $653K | 29.2% |
| Total | $21.27 avg | 105,054 | $2.2M | 100% |
| Filing → |
| LAB | BUY | 2025-09-11 | $129K | — | Filing → |
| LAB | BUY | 2025-08-26 | $658K | — | Filing → |
| WGS | BUY | 2024-03-06 | $358K | — | Filing → |