Foster Karen A.
SEC CIK 1683151 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| BLFS | BIOLIFE SOLUTIONS INC | Chief Quality, Ops | 108.8K | — | $6.88M | 98 | 2021-06-29 | 2026-03-23 |
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 98
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-31 | 2026-03-23 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $19.17 | -2,577 | 108.8K | -2% | -$49.4K | |
| 2026-03-23 | 2026-03-19 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | F - Tax | $19.12 | -1,907 | 111.3K | -2% | -$36.5K | |
| M | 2026-03-09 | 2026-03-05+ | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $20.15 | -97.4K | 113.7K | -46% | -$1.96M |
| 2026-03-05 | 2026-03-03 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $20.74 | -418 | 210.7K | -0.2% | -$8,669 | |
| 2026-02-26 | 2026-02-24 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | F - Tax | $22.65 | -13.0K | 211.1K | -6% | -$294.7K | |
| 2026-02-26 | 2026-02-24 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | A - Grant | — | +32.1K | 224.1K | +17% | — | |
| 2026-01-08 | 2026-01-06 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $25.59 | -335 | 192.0K | -0.2% | -$8,573 | |
| 2025-12-17 | 2025-12-09 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $25.13 | -519 | 192.3K | -0.3% | -$13.0K | |
| 2025-11-28 | 2025-11-25 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $26.74 | -415 | 192.8K | -0.2% | -$11.1K | |
| 2025-10-14 | 2025-10-09 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $27.36 | -419 | 193.3K | -0.2% | -$11.5K | |
| 2025-09-15 | 2025-09-11 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $26.83 | -511 | 193.7K | -0.3% | -$13.7K | |
| 2025-08-28 | 2025-08-26 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $25.44 | -413 | 194.2K | -0.2% | -$10.5K | |
| 2025-07-09 | 2025-07-07 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $22.27 | -400 | 194.6K | -0.2% | -$8,908 | |
| 2025-06-12 | 2025-06-10 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $23.70 | -320 | 195.0K | -0.2% | -$7,584 | |
| 2025-05-30 | 2025-05-28 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $22.46 | -251 | 195.3K | -0.1% | -$5,637 | |
| 2025-04-11 | 2025-04-09 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $20.11 | -286 | 195.6K | -0.1% | -$5,751 | |
| 2025-04-03 | 2025-04-01 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $22.66 | -7,869 | 195.9K | -4% | -$178.3K | |
| M | 2025-03-20 | 2025-03-18 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | A - Grant | — | +48.8K | 174.0K | +39% | — |
| 2025-03-13 | 2025-03-11 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $25.00 | -1,331 | 154.9K | -0.9% | -$33.3K | |
| 2025-03-05 | 2025-03-03 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $25.46 | -324 | 156.2K | -0.2% | -$8,249 | |
| 2025-02-14 | 2025-02-12 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $26.54 | -78 | 156.6K | -0.0% | -$2,070 | |
| 2025-01-08 | 2025-01-06 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $27.02 | -328 | 156.6K | -0.2% | -$8,863 | |
| 2024-11-29 | 2024-11-26 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $27.20 | -252 | 157.0K | -0.2% | -$6,854 | |
| 2024-11-14 | 2024-11-12 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $26.34 | -66 | 157.2K | -0.0% | -$1,738 | |
| 2024-11-01 | 2024-10-30 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $23.15 | -277 | 157.3K | -0.2% | -$6,413 | |
| M | 2024-09-18 | 2024-07-18+ | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $24.16 | -603 | 157.6K | -0.4% | -$14.6K |
| 2024-05-31 | 2024-05-29 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $21.78 | -408 | 158.2K | -0.3% | -$8,886 | |
| 2024-05-21 | 2024-05-17 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $22.18 | -85 | 158.6K | -0.1% | -$1,885 | |
| 2024-04-23 | 2024-04-18 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $15.31 | -481 | 158.7K | -0.3% | -$7,364 | |
| 2024-03-29 | 2024-03-27 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $17.99 | -395 | 159.1K | -0.2% | -$7,106 | |
| M | 2024-03-12 | 2024-03-11+ | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $16.65 | -5,496 | 159.5K | -3% | -$91.5K |
| M | 2024-03-12 | 2024-03-08 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | A - Grant | — | +41.1K | 144.6K | +40% | — |
| 2024-02-23 | 2024-02-21 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $17.35 | -87 | 123.9K | -0.1% | -$1,509 | |
| 2024-01-23 | 2024-01-19 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $16.76 | -1,198 | 124.0K | -1.0% | -$20.1K | |
| 2024-01-04 | 2024-01-02 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality, Ops | S - Sale | $16.75 | -601 | 125.2K | -0.5% | -$10.1K | |
| 2023-12-21 | 2023-12-03 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +258 | 125.8K | +0.2% | — | |
| 2023-12-19 | 2023-12-17 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +228 | 125.6K | +0.2% | — | |
| 2023-12-04 | 2023-11-19 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +267 | 125.8K | +0.2% | — | |
| 2023-12-04 | 2023-12-01 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $12.37 | -466 | 125.3K | -0.4% | -$5,764 | |
| 2023-11-15 | 2023-11-13 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $10.77 | -114 | 125.5K | -0.1% | -$1,228 | |
| 2023-11-13 | 2023-11-05 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +299 | 125.7K | +0.2% | — | |
| 2023-10-24 | 2023-10-22 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +335 | 125.4K | +0.3% | — | |
| 2023-10-10 | 2023-10-08 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +252 | 125.0K | +0.2% | — | |
| 2023-10-02 | 2023-09-24 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +260 | 125.3K | +0.2% | — | |
| 2023-10-02 | 2023-09-28 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $14.16 | -568 | 124.8K | -0.5% | -$8,043 | |
| 2023-09-12 | 2023-09-10 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +330 | 125.1K | +0.3% | — | |
| 2023-08-30 | 2023-08-27 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +403 | 124.7K | +0.3% | — | |
| 2023-08-29 | 2023-08-25 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $10.99 | -410 | 124.3K | -0.3% | -$4,506 | |
| 2023-08-16 | 2023-08-14 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $12.38 | -156 | 124.8K | -0.1% | -$1,931 | |
| 2023-06-29 | 2023-06-27 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $22.91 | -590 | 124.9K | -0.5% | -$13.5K | |
| 2023-06-02 | 2023-05-31 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $23.21 | -392 | 125.5K | -0.3% | -$9,098 | |
| 2023-05-17 | 2023-05-15 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $18.71 | -106 | 125.9K | -0.1% | -$1,983 | |
| DA | 2023-05-16 | 2023-03-31 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | M - OptEx | — | +4,157 | 127.1K | +3% | — |
| DA | 2023-05-16 | 2023-04-06 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale+OE | $20.03 | -1,101 | 126.0K | -0.9% | -$22.1K |
| 2023-04-10 | 2023-04-06 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $20.03 | -1,101 | 121.8K | -0.9% | -$22.1K | |
| 2023-03-31 | 2023-03-29 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $20.62 | -390 | 122.9K | -0.3% | -$8,042 | |
| 2023-03-09 | 2023-03-07 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $22.95 | -175 | 123.3K | -0.1% | -$4,016 | |
| 2023-03-03 | 2023-03-01 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $22.75 | -1,203 | 123.5K | -1.0% | -$27.4K | |
| 2023-02-13 | 2023-02-09 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $24.60 | -81 | 124.7K | -0.1% | -$1,993 | |
| D | 2023-01-10 | 2023-01-03 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +17.0K | 124.8K | +16% | — |
| 2022-12-30 | 2022-12-28 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $16.90 | -605 | 107.8K | -0.6% | -$10.2K | |
| 2022-11-30 | 2022-11-29 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $19.93 | -307 | 108.4K | -0.3% | -$6,119 | |
| 2022-11-14 | 2022-11-10 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $23.16 | -91 | 108.7K | -0.1% | -$2,108 | |
| 2022-09-30 | 2022-09-29 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $23.02 | -559 | 108.8K | -0.5% | -$12.9K | |
| 2022-09-01 | 2022-08-31 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $23.44 | -299 | 109.4K | -0.3% | -$7,009 | |
| 2022-08-16 | 2022-08-14 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +278 | 109.7K | +0.3% | — | |
| 2022-08-11 | 2022-08-10 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $23.17 | -95 | 109.4K | -0.1% | -$2,201 | |
| 2022-08-02 | 2022-07-29 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +355 | 109.5K | +0.3% | — | |
| 2022-07-19 | 2022-07-17 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +430 | 109.1K | +0.4% | — | |
| 2022-07-06 | 2022-07-03 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +468 | 108.7K | +0.4% | — | |
| 2022-06-30 | 2022-06-28 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $14.86 | -598 | 108.2K | -0.5% | -$8,886 | |
| 2022-06-21 | 2022-06-19 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +497 | 108.8K | +0.5% | — | |
| 2022-06-07 | 2022-06-05 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +498 | 108.3K | +0.5% | — | |
| 2022-06-01 | 2022-05-27 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $14.53 | -174 | 107.8K | -0.2% | -$2,528 | |
| 2022-05-24 | 2022-05-22 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +533 | 108.0K | +0.5% | — | |
| 2022-05-17 | 2022-05-13 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $12.32 | -58 | 107.5K | -0.1% | -$714.56 | |
| 2022-04-19 | 2022-04-18 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $17.59 | -16.4K | 107.5K | -13% | -$288.7K | |
| D | 2022-04-13 | 2022-04-12 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | M - OptEx | — | +38.8K | 124.0K | +46% | — |
| 2022-03-31 | 2022-03-29 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $22.24 | -547 | 85.1K | -0.6% | -$12.2K | |
| D | 2022-03-09 | 2022-02-24 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | A - Grant | — | +16.4K | 85.9K | +24% | — |
| 2022-03-03 | 2022-03-01 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $23.78 | -221 | 69.3K | -0.3% | -$5,255 | |
| 2022-02-14 | 2022-02-10 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $29.38 | -293 | 69.5K | -0.4% | -$8,608 | |
| 2021-12-30 | 2021-12-29 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $39.37 | -625 | 69.8K | -0.9% | -$24.6K | |
| 2021-12-02 | 2021-11-30 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $37.59 | -315 | 70.4K | -0.4% | -$11.8K | |
| D | 2021-11-24 | 2021-11-22 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | M - OptEx | $1.64 | +16.3K | 87.1K | +23% | +$26.8K |
| D | 2021-11-24 | 2021-11-22 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale+OE | $46.19 | -16.3K | 70.8K | -19% | -$754.4K |
| D | 2021-10-27 | 2021-10-25 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale+OE | $44.45 | -16.3K | 70.8K | -19% | -$726.0K |
| D | 2021-10-27 | 2021-10-25 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | M - OptEx | $1.64 | +16.3K | 87.1K | +23% | +$26.8K |
| 2021-10-18 | 2021-10-14 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $39.97 | -1,082 | 70.8K | -2% | -$43.2K | |
| 2021-09-30 | 2021-09-28 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $43.12 | -610 | 71.8K | -0.8% | -$26.3K | |
| D | 2021-09-29 | 2021-09-27 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale+OE | $44.66 | -16.3K | 72.5K | -18% | -$729.4K |
| D | 2021-09-29 | 2021-09-27 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | M - OptEx | $1.64 | +16.3K | 88.8K | +23% | +$26.8K |
| 2021-08-30 | 2021-08-26 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $57.26 | -325 | 72.5K | -0.4% | -$18.6K | |
| D | 2021-08-25 | 2021-08-23 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | M - OptEx | $1.64 | +16.3K | 89.1K | +22% | +$26.8K |
| D | 2021-08-25 | 2021-08-23 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale+OE | $46.54 | -16.3K | 72.8K | -18% | -$760.1K |
| D | 2021-07-28 | 2021-07-26 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | M - OptEx | $1.64 | +16.3K | 89.1K | +22% | +$26.8K |
| D | 2021-07-28 | 2021-07-26 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale+OE | $45.24 | -16.3K | 72.8K | -18% | -$738.9K |
| 2021-07-01 | 2021-06-29 | BLFS | BIOLIFE SOLUTIONS INC | Foster Karen A. | Chief Quality Off | S - Sale | $43.75 | -607 | 72.8K | -0.8% | -$26.6K |
Purchase Sale Sale after option exercise All abbreviations