17 insiders reported 176 Form 4 transactions for BIOLIFE SOLUTIONS INC (BLFS) over the past 18 months (most recent 2026-09-22). Recent activity: DE GREEF RODERICK (President and CEO) Sell 2,775 shares, Mathew Aby J. (EVP & Chief Scientific Officer) Sell 564 shares, Berard Todd (Chief Marketing Officer) Sell 470 shares, Wichterman Troy (Chief Financial Officer) Sell 937 shares, Werner Sean (Chief Technology Officer) Sell 421 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-22 | DE GREEF RODERICK | President and CEO | Sell | 2,775 | $101,815 |
| 2026-09-22 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 564 | $20,693 |
| 2026-09-22 | Berard Todd | Chief Marketing Officer | Sell | 470 | $17,244 |
| 2026-09-22 | Wichterman Troy | Chief Financial Officer | Sell | 937 | $34,379 |
| 2026-09-22 | Werner Sean | Chief Technology Officer | Sell | 421 | $15,446 |
| 2026-09-10 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 627 | $22,183 |
| 2026-09-10 | Berard Todd | Chief Marketing Officer | Sell | 356 | $12,595 |
| 2026-09-10 | Wichterman Troy | Chief Financial Officer | Sell | 1,026 | $36,300 |
| 2026-07-21 | Werner Sean | Chief Technology Officer | Sell | 275 | $8,016 |
| 2026-07-13 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 516 | $14,340 |
| 2026-07-13 | Berard Todd | Chief Marketing Officer | Sell | 293 | $8,142 |
| 2026-07-13 | Wichterman Troy | Chief Financial Officer | Sell | 844 | $23,455 |
| 2026-06-22 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 564 | $14,687 |
| 2026-06-22 | Berard Todd | Chief Marketing Officer | Sell | 470 | $12,239 |
| 2026-06-22 | DE GREEF RODERICK | President and CEO | Sell | 2,775 | $72,261 |
| 2026-06-22 | Werner Sean | Chief Technology Officer | Sell | 420 | $10,937 |
| 2026-06-22 | Wichterman Troy | Chief Financial Officer | Sell | 937 | $24,399 |
| 2026-06-10 | Berard Todd | Chief Marketing Officer | Sell | 356 | $9,292 |
| 2026-06-10 | Wichterman Troy | Chief Financial Officer | Sell | 1,026 | $26,779 |
| 2026-06-10 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 627 | $16,365 |
| 2026-05-21 | Casdin Partners GP, LLC | 10% Owner | Sell | 300,000 | $6.8M |
| 2026-05-21 | Casdin Capital, LLC | 10% Owner | Sell | 300,000 | $6.8M |
| 2026-05-21 | Casdin Eli | 10% Owner | Sell | 300,000 | $6.8M |
| 2026-05-21 | Casdin Partners Master Fund, L.P. | 10% Owner | Sell | 300,000 | $6.8M |
| 2026-05-21 | Casdin Partners GP, LLC | 10% Owner | Sell | 250,000 | $5.9M |
Source: SEC Form 4 filings · as of 2026-09-22