Foster Karen A.
SEC insider (Form 3/4/5 filer). CIK 0001683151. Chief Quality and Operations at BIOLIFE SOLUTIONS INC (BLFS). 29 reported Form 4/5 transactions since Sep 2024; latest on Mar 19, 2026. Located in BOTHELL, WA.
Companies Foster Karen A. has filed insider reports for
- BIOLIFE SOLUTIONS INC (BLFS): Officer, Chief Quality and Operations
Foster Karen A.
CIK: 0001683151
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
BIOLIFE SOLUTIONS INC
Discretionary Trading P&L
Holdings
Transaction History (29 total)
- Mar 19, 2026BLFS
BIOLIFE SOLUTIONS INC
Tax PaymentDirect1.9K shares at avg. $19.12$36K - Mar 9, 2026BLFS
BIOLIFE SOLUTIONS INC
SaleDirect500 shares at avg. $20.00$10K - Mar 5, 2026BLFS
BIOLIFE SOLUTIONS INC
SaleDirect96.9K shares at avg. $20.15$2.0M - Mar 3, 2026BLFS
BIOLIFE SOLUTIONS INC
SaleDirect418 shares at avg. $20.74$9K - Feb 24, 2026BLFS
BIOLIFE SOLUTIONS INC
Tax PaymentDirect13K shares at avg. $22.65$295K - Feb 24, 2026BLFS
BIOLIFE SOLUTIONS INC
AwardDirect32.1K shares- - Jan 6, 2026BLFS
BIOLIFE SOLUTIONS INC
SaleDirect335 shares at avg. $25.59$9K - Dec 9, 2025BLFS
BIOLIFE SOLUTIONS INC
SaleDirect519 shares at avg. $25.13$13K - Nov 25, 2025BLFS
BIOLIFE SOLUTIONS INC
SaleDirect415 shares at avg. $26.74$11K - Oct 9, 2025BLFS
BIOLIFE SOLUTIONS INC
SaleDirect419 shares at avg. $27.36$11K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 19, 2026 | BLFS BIOLIFE SOLUTIONS INC | Tax Payment | 1,907 | $19.12 | $36,462 | Direct |
| Mar 9, 2026 | BLFS BIOLIFE SOLUTIONS INC | Sale | 500 | $20.00 | $10,000 | Direct |
| Mar 5, 2026 | BLFS BIOLIFE SOLUTIONS INC | Sale | 96,923 | $20.15 | $1,952,998 | Direct |
| Mar 3, 2026 | BLFS BIOLIFE SOLUTIONS INC | Sale | 418 | $20.74 | $8,669 | Direct |
| Feb 24, 2026 | BLFS BIOLIFE SOLUTIONS INC | Tax Payment | 13,013 | $22.65 | $294,744 | Direct |
| Feb 24, 2026 | BLFS BIOLIFE SOLUTIONS INC | Award | 32,112 | - | $0 | Direct |
| Jan 6, 2026 | BLFS BIOLIFE SOLUTIONS INC | Sale | 335 | $25.59 | $8,573 | Direct |
| Dec 9, 2025 | BLFS BIOLIFE SOLUTIONS INC | Sale | 519 | $25.13 | $13,042 | Direct |
| Nov 25, 2025 | BLFS BIOLIFE SOLUTIONS INC | Sale | 415 | $26.74 | $11,097 | Direct |
| Oct 9, 2025 | BLFS BIOLIFE SOLUTIONS INC | Sale | 419 | $27.36 | $11,464 | Direct |
1-10 of 29 transactions