Casdin Partners Master Fund, L.P., 10% Owner at BIOLIFE SOLUTIONS INC (BLFS), sold 1,200,000 shares at $22.65 ($28.1M) on 2026-05-19, disclosed to the SEC on 2026-05-21.
Open-market sale of $28.1M BLFS by 10% Owner. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $22.65 | 300,000 | $6.8M | 24.2% |
| 2 | $23.70 | 250,000 | $5.9M | 21.1% |
| 3 | $23.70 | 650,000 | $15.4M | 54.8% |
| Total | $23.44 avg | 1,200,000 | $28.1M | 100% |
| Filing → |
| LAB | BUY | 2025-08-26 | $658K | — | Filing → |
| WGS | BUY | 2024-03-06 | $358K | — | Filing → |
| BLFS | BUY | 2023-05-18 | $2.2M | — | Filing → |