| Type | Value |
|---|---|
| cik | 0000834365 |
| ticker | BLFS |
Discretionary BUY minus SELL in USD over rolling windows. Excludes compensation flow.
Rolling 14-day windows where ≥3 distinct insiders reported a transaction in the same direction.
| Date | Direction | Insiders | Strength | Tx | USD |
|---|---|---|---|---|---|
| 09 Mar 2026 | sell | 6 | strong | 8 | $2.0M |
| 05 Mar 2026 | sell | 6 | strong | 7 | $2.0M |
| 03 Mar 2026 | sell | 6 | strong | 6 | $46.0K |
| 06 Jan 2026 | sell | 5 | strong | 5 | $59.2K |
| 15 Dec 2025 | sell | 6 | strong | 8 | $908.0K |
| 09 Dec 2025 | sell | 7 | strong | 14 | $1.0M |
| 04 Dec 2025 | sell | 7 | strong | 11 | $1.1M |
| 26 Nov 2025 | sell | 8 | strong | 13 | $2.0M |
| Date | Type | Insider | Qty | Price | Signals |
|---|---|---|---|---|---|
| 19 May 2026 | SALE | Casdin Partners Master Fund, L.P.entity | 300,000 | 22.65 USD | indirect |
| 20 May 2026 | SALE | Casdin Partners Master Fund, L.P.entity | 250,000 | 23.70 USD | indirect |
| 21 May 2026 | SALE | Casdin Partners Master Fund, L.P.entity | 650,000 | 23.70 USD | indirect |
| 23 Mar 2026 | SALE | Foster Karen A. | 2,577 | 19.17 USD | |
| 19 Mar 2026 | TAX_WITHHOLDING | Foster Karen A. | 1,907 | 19.12 USD | |
| 19 Mar 2026 | TAX_WITHHOLDING | DE GREEF RODERICK | 11,101 | 19.12 USD | |
| 19 Mar 2026 | TAX_WITHHOLDING | Werner Sean | 1,681 | 19.12 USD | |
| 19 Mar 2026 | TAX_WITHHOLDING | Mathew Aby J. | 2,255 | 19.12 USD | |
| 19 Mar 2026 | TAX_WITHHOLDING | Wichterman Troyentity | 3,749 | 19.12 USD | |
| 19 Mar 2026 | TAX_WITHHOLDING | Berard Todd | 1,879 | 19.12 USD | |
| 19 Mar 2026 | TAX_WITHHOLDING | Aebersold Sarah | 931 | 19.12 USD | |
| 09 Mar 2026 | SALE | Foster Karen A. | 500 | 20.00 USD | |
| 05 Mar 2026 | SALE | Foster Karen A. | 96,923 | 20.15 USD | |
| 03 Mar 2026 | SALE | Foster Karen A. | 418 | 20.74 USD | |
| 03 Mar 2026 | SALE | Mathew Aby J. | 529 | 20.74 USD | |
| 03 Mar 2026 | SALE | Aebersold Sarah | 219 | 20.74 USD | |
| 03 Mar 2026 | SALE | Berard Todd | 353 | 20.74 USD | |
| 03 Mar 2026 | SALE | Werner Sean | 111 | 20.74 USD | |
| 03 Mar 2026 | SALE | Wichterman Troyentity | 588 | 20.74 USD | |
| 24 Feb 2026 | GRANT_AWARD | Mathew Aby J. | 20,096 | — | |
| 24 Feb 2026 | GRANT_AWARD | Mathew Aby J. | 39,605 | — | |
| 24 Feb 2026 | TAX_WITHHOLDING | Mathew Aby J. | 15,585 | 22.65 USD | |
| 24 Feb 2026 | GRANT_AWARD | Aebersold Sarah | 23,548 | — | |
| 24 Feb 2026 | TAX_WITHHOLDING | Aebersold Sarah | 5,734 | 22.65 USD | |
| 24 Feb 2026 | GRANT_AWARD | Ellingson Rachel | 8,170 | — |