DuRoss Amy (CIK 1854968) reported 9 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), Sell BLFS (2,000 shares), Sell BLFS (2,000 shares), Sell BLFS (2,000 shares), Sell BLFS (477 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-26 | BIOLIFE SOLUTIONS INC (BLFS) | Director | Buy | 8,170 | $0 |
| 2025-12-17 | BIOLIFE SOLUTIONS INC (BLFS) | Director | Sell | 2,000 | $49,200 |
| 2025-11-28 | BIOLIFE SOLUTIONS INC (BLFS) | Director | Sell | 2,000 | $54,000 |
| 2025-11-28 | BIOLIFE SOLUTIONS INC (BLFS) | Director | Sell | 2,000 | $54,000 |
| 2025-11-21 | BIOLIFE SOLUTIONS INC (BLFS) | Director | Sell | 477 | $11,686 |
| 2025-11-21 | BIOLIFE SOLUTIONS INC (BLFS) | Director | Sell | 4,523 | $110,859 |
| 2025-11-21 | BIOLIFE SOLUTIONS INC (BLFS) | Director | Sell | 1,000 | $26,000 |
| 2025-03-20 | BIOLIFE SOLUTIONS INC (BLFS) | Director | Sell | 5,632 | $140,575 |
| 2025-03-20 | BIOLIFE SOLUTIONS INC (BLFS) | Director | Buy | 6,876 | $0 |
Source: SEC Form 4 filings · as of 2026-02-26