17 insiders reported 203 Form 4 transactions for BIOLIFE SOLUTIONS INC (BLFS) over the past 18 months (most recent 2026-07-21). Recent activity: Werner Sean (Chief Technology Officer) Sell 275 shares, Berard Todd (Chief Marketing Officer) Sell 293 shares, Wichterman Troy (Chief Financial Officer) Sell 844 shares, Mathew Aby J. (EVP & Chief Scientific Officer) Sell 516 shares, DE GREEF RODERICK (President and CEO) Sell 2,775 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-21 | Werner Sean | Chief Technology Officer | Sell | 275 | $8,016 |
| 2026-07-13 | Berard Todd | Chief Marketing Officer | Sell | 293 | $8,142 |
| 2026-07-13 | Wichterman Troy | Chief Financial Officer | Sell | 844 | $23,455 |
| 2026-07-13 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 516 | $14,340 |
| 2026-06-22 | DE GREEF RODERICK | President and CEO | Sell | 2,775 | $72,261 |
| 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 | Wichterman Troy | Chief Financial Officer | Sell | 937 | $24,399 |
| 2026-06-22 | Werner Sean | Chief Technology Officer | Sell | 420 | $10,937 |
| 2026-06-10 | Mathew Aby J. | EVP & Chief Scientific Officer | Sell | 627 | $16,365 |
| 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 |
| 2026-05-21 | 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 |
| 2026-05-21 | Casdin Capital, LLC | 10% Owner | Sell | 250,000 | $5.9M |
| 2026-05-21 | Casdin Eli | 10% Owner | Sell | 250,000 | $5.9M |
| 2026-05-21 | Casdin Partners Master Fund, L.P. | 10% Owner | Sell | 250,000 | $5.9M |
| 2026-05-21 | Casdin Partners GP, LLC | 10% Owner | Sell | 650,000 | $15.4M |
| 2026-05-21 | Casdin Capital, LLC | 10% Owner | Sell | 650,000 | $15.4M |
| 2026-05-21 | Casdin Eli | 10% Owner | Sell | 650,000 | $15.4M |
| 2026-05-21 | Casdin Partners Master Fund, L.P. | 10% Owner | Sell | 650,000 | $15.4M |
| 2026-04-10 | Wichterman Troy | Chief Financial Officer | Sell | 844 | $16,264 |
Source: SEC Form 4 filings · as of 2026-07-21