BIOLIFE SOLUTIONS INC (BLFS) is a publicly traded company in the Unknown sector. Across all available filings, 29 corporate insiders have executed 1061 transactions totaling $331.4M, demonstrating a bearish sentiment with -$151.9M in net insider flow. The most recent transaction on Feb 24, 2026 involved a transaction of 8,170 shares valued at $0.
No significant insider buying has been recorded for BLFS in the recent period.
No significant insider selling has been recorded for BLFS in the recent period.
Based on recent SEC filings, insider sentiment for BLFS is bearish with an Insider Alignment Score of 27/100 and a net flow of -$151.9M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at BIOLIFE SOLUTIONS INC (BLFS) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 29 insiders are actively trading BLFS stock, having executed 1061 transactions in the past 90 days. The most active insider is Thomas Girschweiler (Executive), who has made 5 transactions totaling $55.7M.
Get notified when executives and directors at BLFS file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Feb 24, 2026 | Hunt Anthony | Executive | Award | 8,170 | $N/A | $0 | |
| Feb 24, 2026 | Duross Amy | Executive | Award | 8,170 | $N/A | $0 | |
| Jan 6, 2026 | Berard Todd | Chief Marketing Officer | Sale | 344 | $25.59 | $8.8K | |
| Jan 6, 2026 | J. Mathew Aby | EVP & Chief Scientific Officer | Sale | 405 | $25.59 | $10.4K | |
| Jan 6, 2026 | Aebersold Sarah | Chief Human Resources Officer | Sale | 241 | $25.59 | $6.2K | |
| Jan 6, 2026 | A. Foster Karen | Chief Quality and Operations | Sale | 335 | $25.59 | $8.6K | |
| Jan 6, 2026 | Wichterman Troy | Chief Financial Officer | Sale | 990 | $25.59 | $25.3K | C-Suite |
| Dec 15, 2025 | Duross Amy | Executive | Sale | 2,000 | $24.60 | $49.2K | |
| Dec 15, 2025 | Aebersold Sarah | Executive | Sale | 713 | $24.46 | $17.4K | |
| Dec 9, 2025 | A. Foster Karen | Executive | Sale | 519 | $25.13 | $13.0K | |
| Dec 9, 2025 | Berard Todd | Executive | Sale | 358 | $25.13 | $9.0K | |
| Dec 9, 2025 | Aebersold Sarah | Executive | Sale | 233 | $25.13 | $5.9K | |
| Dec 9, 2025 | Wichterman Troy | Executive | Sale | 1,033 | $25.13 | $26.0K | |
| Dec 9, 2025 | J. Mathew Aby | Executive | Sale | 631 | $25.13 | $15.9K | |
| Dec 4, 2025 | Wichterman Troy | Executive | Sale | 30,000 | $25.72 | $771.6K | Large |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 674 | $241.6M | 67.8% |
Purchase(P) | 12 | $89.8M | 25.2% |
Exercise (Options)(X) | 3 | $16.7M | 4.7% |
Other(J) | 4 | $5.3M | 1.5% |
Exercise(M) | 176 | $3.0M | 0.9% |
Award(A) | 189 | $0 | 0.0% |
Gift(G) | 3 | $0 | 0.0% |
Insider selling pressure at BIOLIFE SOLUTIONS INC has increased, with 29 insiders executing 1061 transactions across all time. Total sales of $241.6M significantly outpace purchases of $89.8M, resulting in a net outflow of $151.9M. This selling activity appears largely discretionary, which may warrant closer attention from investors.