DE GREEF RODERICK
SEC CIK 1241181 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| BLFS | BIOLIFE SOLUTIONS INC | Pres, CEO, Dir | 728.2K | — | $11.31M | 44 | 2021-06-29 | 2026-09-18 |
Most active insiders at BLFS, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Casdin Partners Master Fund, L.P. | 10% | — | $28.12M |
| 2 | Casdin Partners GP, LLC | 10% | — | $21.41M |
| 3 | DE GREEF RODERICK | Pres, CEO, Dir | — | $3.61M |
| 4 | Foster Karen A. | Chief Quality, Ops | — | $2.07M |
| 5 | Wichterman Troy | CFO | — | $873.5K |
| 6 | DuRoss Amy | Dir | — | $305.7K |
| 7 | Mathew Aby J. | EVP, CSO | — | $65.2K |
| 8 | GOSWAMI JOYDEEP | Dir | — | $48.3K |
| 9 | Aebersold Sarah | CHRO | — | $45.0K |
| 10 | Berard Todd | CMO | — | $42.4K |
Transactions 44
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-22 17:11 | 2026-09-18 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Pres, CEO, Dir | F - Tax | $36.69 | -2,775 | 728.2K | -0.4% | -$101.8K | |
| 2026-06-22 16:50 | 2026-06-18 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Pres, CEO, Dir | F - Tax | $26.04 | -2,775 | 731.0K | -0.4% | -$72.3K | |
| 2026-03-23 | 2026-03-19 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Pres, CEO, Dir | F - Tax | $19.12 | -11.1K | 733.7K | -1% | -$212.3K | |
| M | 2026-02-26 | 2026-02-24 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Pres, CEO, Dir | F - Tax | $22.65 | -153.2K | 612.0K | -20% | -$3.47M |
| M | 2026-02-26 | 2026-02-24 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Pres, CEO, Dir | A - Grant | — | +508.0K | 831.0K | +157% | — |
| M | 2025-11-13 | 2025-11-11+ | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Pres, CEO, Dir | S - Sale | $25.80 | -100.0K | 454.6K | -18% | -$2.58M |
| 2025-10-24 | 2025-10-22 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Pres, CEO, Dir | S - Sale | $27.30 | -37.8K | 490.0K | -7% | -$1.03M | |
| 2025-03-20 | 2025-03-18 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Pres, CEO, Dir | A - Grant | — | +112.8K | 527.8K | +27% | — | |
| 2025-01-08 | 2024-10-31 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Pres, CEO, Dir | S - Sale | $23.43 | -46.9K | 415.0K | -10% | -$1.10M | |
| 2024-03-12 | 2024-03-08 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Pres, CEO, Dir | A - Grant | — | +29.2K | 469.1K | +7% | — | |
| 2024-03-12 | 2024-03-12 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Pres, CEO, Dir | S - Sale | $16.60 | -7,249 | 461.9K | -2% | -$120.3K | |
| 2024-01-23 | 2024-01-19 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Pres, CEO, Dir | S - Sale | $16.76 | -2,642 | 439.9K | -0.6% | -$44.3K | |
| D | 2023-11-01 | 2023-10-19 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Pres, CEO, Dir | A - Grant | — | +394.9K | 442.5K | +828% | — |
| 2023-10-10 | 2023-10-01 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Dir | A - Grant | — | +362 | 45.3K | +0.8% | — | |
| D | 2023-05-16 | 2023-03-31 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Dir | M - OptEx | — | +4,740 | 44.9K | +12% | — |
| A | 2023-01-24 | 2023-01-19 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Dir | S - Sale | $23.19 | -3,801 | 40.2K | -9% | -$88.1K |
| 2023-01-20 | 2023-01-19 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Dir | S - Sale | $23.19 | +3,801 | 40.2K | +10% | +$88.1K | |
| 2023-01-18 | 2023-01-04 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | Dir | A - Grant | — | +9,647 | 44.0K | +28% | — | |
| M | 2022-11-30 | 2022-11-28+ | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | S - Sale | $20.69 | -45.4K | 75.1K | -38% | -$939.6K |
| M | 2022-11-23 | 2022-11-21+ | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | S - Sale | $21.66 | -14.0K | 79.7K | -15% | -$303.2K |
| M | 2022-11-18 | 2022-11-16+ | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | S - Sale | $22.67 | -3,000 | 95.2K | -3% | -$68.0K |
| M | 2022-11-15 | 2022-11-14 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | S - Sale | $23.86 | -20.0K | 96.7K | -17% | -$477.2K |
| 2022-10-11 | 2022-10-07 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | S - Sale | $22.69 | -8,552 | 116.7K | -7% | -$194.0K | |
| 2022-10-04 | 2022-10-03 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | S - Sale | $21.95 | -1,233 | 125.3K | -1.0% | -$27.1K | |
| 2022-08-16 | 2022-08-14 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | A - Grant | — | +535 | 126.5K | +0.4% | — | |
| 2022-08-02 | 2022-07-29 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | A - Grant | — | +683 | 126.0K | +0.5% | — | |
| 2022-07-19 | 2022-07-17 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | A - Grant | — | +828 | 125.3K | +0.7% | — | |
| 2022-07-14 | 2022-07-12 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | S - Sale | $15.79 | -9,158 | 124.5K | -7% | -$144.6K | |
| 2022-07-06 | 2022-07-03 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | A - Grant | — | +900 | 133.6K | +0.7% | — | |
| 2022-06-21 | 2022-06-19 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | A - Grant | — | +955 | 132.7K | +0.7% | — | |
| 2022-06-07 | 2022-06-05 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | A - Grant | — | +957 | 131.8K | +0.7% | — | |
| 2022-05-24 | 2022-05-22 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | A - Grant | — | +1,024 | 130.8K | +0.8% | — | |
| 2022-04-19 | 2022-04-18 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | S - Sale | $17.59 | -18.5K | 129.8K | -12% | -$325.9K | |
| D | 2022-04-13 | 2022-04-12 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | M - OptEx | — | +43.8K | 148.3K | +42% | — |
| 2022-04-11 | 2022-04-07 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | S - Sale | $21.82 | -10.7K | 104.5K | -9% | -$233.8K | |
| D | 2022-03-09 | 2022-02-24 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | A - Grant | — | +23.4K | 115.2K | +25% | — |
| M | 2022-01-11 | 2022-01-07 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | S - Sale | $30.75 | -10.8K | 91.8K | -11% | -$332.6K |
| 2021-12-30 | 2021-12-29 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | S - Sale | $39.37 | -705 | 102.6K | -0.7% | -$27.8K | |
| M | 2021-11-18 | 2021-11-16+ | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | COO, Pres | S - Sale | $51.07 | -21.0K | 110.3K | -16% | -$1.07M |
| 2021-10-27 | 2021-10-25 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | CFO | S - Sale | $44.62 | -2,371 | 124.3K | -2% | -$105.8K | |
| 2021-10-18 | 2021-10-14 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | CFO | S - Sale | $39.97 | -1,221 | 126.7K | -1.0% | -$48.8K | |
| 2021-09-30 | 2021-09-28 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | CFO | S - Sale | $43.12 | -689 | 127.9K | -0.5% | -$29.7K | |
| M | 2021-08-19 | 2021-08-17+ | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | CFO | S - Sale | $44.84 | -46.2K | 128.6K | -26% | -$2.07M |
| 2021-07-01 | 2021-06-29 | BLFS | BIOLIFE SOLUTIONS INC | DE GREEF RODERICK | CFO | S - Sale | $43.75 | -685 | 174.9K | -0.4% | -$30.0K |
Purchase Sale Sale after option exercise All abbreviations