Werner Sean Insider Trading -- Recent SEC Form 4 Transactions
Werner Sean (CIK 2047541) reported 17 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-10-08). Recent activity: Buy BLFS (45,838 shares), Buy BLFS (48,232 shares), Sell BLFS (71,226 shares), Sell BLFS (69,979 shares), Sell BLFS (421 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-08 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Buy | 45,838 | $0 |
| 2026-10-08 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Buy | 48,232 | $0 |
| 2026-10-08 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 71,226 | $2.8M |
| 2026-10-08 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 69,979 | $0 |
| 2026-09-22 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 421 | $15,446 |
| 2026-07-21 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 275 | $8,016 |
| 2026-06-22 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 420 | $10,937 |
| 2026-03-23 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 1,681 | $32,141 |
| 2026-03-05 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 111 | $2,302 |
| 2026-02-26 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Buy | 24,116 | $0 |
| 2025-11-28 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 110 | $2,941 |
| 2025-10-22 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 275 | $7,650 |
| 2025-09-15 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 72 | $1,932 |
| 2025-08-28 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 111 | $2,824 |
| 2025-07-22 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 1,115 | $23,660 |
| 2025-06-12 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 65 | $1,540 |
| 2025-05-30 | BIOLIFE SOLUTIONS INC (BLFS) | Chief Technology Officer | Sell | 109 | $2,448 |
Source: SEC Form 4 filings · as of 2026-10-08