Coste Catherine (CIK 1821432) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-26). Recent activity: Buy BLFS (8,170 shares), Buy BLFS (5,701 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-26 | BIOLIFE SOLUTIONS INC (BLFS) | Director | Buy | 8,170 | $0 |
| 2025-03-20 | BIOLIFE SOLUTIONS INC (BLFS) | Director | Buy | 5,701 | $0 |
Source: SEC Form 4 filings · as of 2026-02-26