Wichterman Troy
SEC CIK 1892616 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| BLFS | BIOLIFE SOLUTIONS INC | CFO | 211.3K | — | $2.39M | 89 | 2021-11-30 | 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 89
| 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 | Wichterman Troy | CFO | F - Tax | $36.69 | -937 | 211.3K | -0.4% | -$34.4K | |
| 2026-09-10 16:50 | 2026-09-08 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | F - Tax | $35.38 | -1,026 | 212.2K | -0.5% | -$36.3K | |
| 2026-07-13 17:03 | 2026-07-07 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | F - Tax | $27.79 | -844 | 213.2K | -0.4% | -$23.5K | |
| 2026-06-22 16:50 | 2026-06-18 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | F - Tax | $26.04 | -937 | 214.1K | -0.4% | -$24.4K | |
| 2026-06-10 17:01 | 2026-06-08 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | F - Tax | $26.10 | -1,026 | 215.0K | -0.5% | -$26.8K | |
| 2026-04-10 17:29 | 2026-04-08 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | F - Tax | $19.27 | -844 | 216.1K | -0.4% | -$16.3K | |
| 2026-03-23 | 2026-03-19 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | F - Tax | $19.12 | -3,749 | 216.9K | -2% | -$71.7K | |
| 2026-03-05 | 2026-03-03 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $20.74 | -588 | 220.6K | -0.3% | -$12.2K | |
| 2026-02-26 | 2026-02-24 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | F - Tax | $22.65 | -25.5K | 221.2K | -10% | -$578.1K | |
| M | 2026-02-26 | 2026-02-24 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +96.0K | 181.9K | +112% | — |
| 2026-01-08 | 2026-01-06 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $25.59 | -990 | 150.7K | -0.7% | -$25.3K | |
| 2025-12-17 | 2025-12-09 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $25.13 | -1,033 | 151.7K | -0.7% | -$26.0K | |
| 2025-12-05 | 2025-12-04 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $25.72 | -30.0K | 152.8K | -16% | -$771.6K | |
| 2025-11-28 | 2025-11-25 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $26.74 | -584 | 182.8K | -0.3% | -$15.6K | |
| 2025-10-14 | 2025-10-09 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $27.36 | -833 | 183.4K | -0.5% | -$22.8K | |
| 2025-09-15 | 2025-09-11 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $26.83 | -1,032 | 184.2K | -0.6% | -$27.7K | |
| 2025-08-28 | 2025-08-26 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $25.44 | -590 | 185.2K | -0.3% | -$15.0K | |
| 2025-07-09 | 2025-07-07 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $22.27 | -877 | 185.8K | -0.5% | -$19.5K | |
| 2025-06-12 | 2025-06-10 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $23.70 | -1,042 | 186.7K | -0.6% | -$24.7K | |
| 2025-05-30 | 2025-05-28 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $22.46 | -583 | 187.7K | -0.3% | -$13.1K | |
| 2025-04-11 | 2025-04-09 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $20.11 | -932 | 188.3K | -0.5% | -$18.7K | |
| 2025-04-03 | 2025-04-01 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $22.66 | -25.7K | 189.2K | -12% | -$582.1K | |
| M | 2025-03-20 | 2025-03-18 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +98.1K | 154.9K | +173% | — |
| 2025-03-13 | 2025-03-11 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $25.00 | -4,151 | 116.8K | -3% | -$103.8K | |
| 2025-03-05 | 2025-03-03 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $25.46 | -660 | 121.0K | -0.5% | -$16.8K | |
| 2025-02-14 | 2025-02-12 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $26.54 | -159 | 121.6K | -0.1% | -$4,220 | |
| 2025-01-08 | 2025-01-06 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $27.02 | -987 | 121.8K | -0.8% | -$26.7K | |
| 2024-11-29 | 2024-11-26 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $27.20 | -581 | 122.8K | -0.5% | -$15.8K | |
| 2024-11-14 | 2024-11-12 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $26.19 | -147 | 123.3K | -0.1% | -$3,850 | |
| 2024-11-01 | 2024-10-30 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $23.15 | -894 | 123.5K | -0.7% | -$20.7K | |
| M | 2024-09-18 | 2024-07-11+ | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $22.77 | -1,581 | 125.1K | -1% | -$36.0K |
| 2024-05-31 | 2024-05-29 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $21.78 | -574 | 126.0K | -0.5% | -$12.5K | |
| 2024-05-21 | 2024-05-17 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $22.18 | -115 | 126.5K | -0.1% | -$2,551 | |
| 2024-04-23 | 2024-04-18 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $15.31 | -956 | 126.7K | -0.7% | -$14.6K | |
| 2024-03-25 | 2024-03-21 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $17.83 | -520 | 127.6K | -0.4% | -$9,272 | |
| M | 2024-03-12 | 2024-03-11+ | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $16.64 | -7,610 | 135.4K | -5% | -$126.6K |
| M | 2024-03-12 | 2024-03-08 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +70.9K | 106.5K | +199% | — |
| 2024-02-23 | 2024-02-21 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $17.35 | -97 | 64.8K | -0.1% | -$1,683 | |
| 2024-01-23 | 2024-01-19 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $16.76 | -2,419 | 64.9K | -4% | -$40.5K | |
| 2023-12-28 | 2023-12-22 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $16.79 | -314 | 67.3K | -0.5% | -$5,272 | |
| 2023-12-21 | 2023-12-03 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +287 | 67.7K | +0.4% | — | |
| 2023-12-19 | 2023-12-17 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +254 | 67.4K | +0.4% | — | |
| 2023-12-04 | 2023-11-19 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +298 | 67.8K | +0.4% | — | |
| 2023-12-04 | 2023-12-01 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $12.37 | -666 | 67.1K | -1.0% | -$8,238 | |
| 2023-11-15 | 2023-11-13 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $10.66 | -97 | 67.5K | -0.1% | -$1,034 | |
| 2023-11-13 | 2023-11-05 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +333 | 67.6K | +0.5% | — | |
| 2023-10-24 | 2023-10-22 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +373 | 67.2K | +0.6% | — | |
| 2023-10-10 | 2023-10-08 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +281 | 66.9K | +0.4% | — | |
| 2023-10-02 | 2023-09-24 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +290 | 66.6K | +0.4% | — | |
| 2023-09-25 | 2023-09-21 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $12.70 | -539 | 66.3K | -0.8% | -$6,845 | |
| 2023-09-12 | 2023-09-10 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +408 | 66.8K | +0.6% | — | |
| 2023-08-30 | 2023-08-27 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +498 | 66.4K | +0.8% | — | |
| 2023-08-29 | 2023-08-25 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $10.99 | -585 | 65.9K | -0.9% | -$6,429 | |
| 2023-08-16 | 2023-08-14 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $12.57 | -94 | 66.5K | -0.1% | -$1,182 | |
| 2023-06-26 | 2023-06-22 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $23.41 | -541 | 66.6K | -0.8% | -$12.7K | |
| 2023-06-02 | 2023-05-31 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $23.21 | -560 | 67.2K | -0.8% | -$13.0K | |
| 2023-05-17 | 2023-05-16 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $19.41 | -137 | 67.7K | -0.2% | -$2,659 | |
| D | 2023-03-22 | 2023-03-20 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | M - OptEx | $2.06 | +938 | 78.2K | +1% | +$1,932 |
| DM | 2023-03-22 | 2023-03-20+ | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale+OE | $20.68 | -10.3K | 68.2K | -13% | -$213.2K |
| 2023-03-09 | 2023-03-07 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $22.95 | -31 | 77.2K | -0.0% | -$711.45 | |
| 2023-03-03 | 2023-03-01 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $22.75 | -1,576 | 77.3K | -2% | -$35.9K | |
| 2023-02-23 | 2023-02-21 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $21.47 | -117 | 78.8K | -0.1% | -$2,512 | |
| D | 2023-01-10 | 2023-01-03 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +34.3K | 78.9K | +77% | — |
| 2022-12-23 | 2022-12-22 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $17.55 | -528 | 44.7K | -1% | -$9,266 | |
| 2022-11-30 | 2022-11-29 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $19.93 | -52 | 45.2K | -0.1% | -$1,036 | |
| 2022-11-23 | 2022-11-22 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $20.20 | -121 | 45.2K | -0.3% | -$2,444 | |
| 2022-09-26 | 2022-09-23 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $21.91 | -569 | 45.4K | -1% | -$12.5K | |
| 2022-09-01 | 2022-08-31 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $23.44 | -51 | 45.9K | -0.1% | -$1,195 | |
| 2022-08-18 | 2022-08-16 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $24.81 | -116 | 46.0K | -0.3% | -$2,878 | |
| 2022-08-16 | 2022-08-14 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +234 | 46.1K | +0.5% | — | |
| 2022-08-02 | 2022-07-29 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +299 | 45.9K | +0.7% | — | |
| 2022-07-19 | 2022-07-17 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +362 | 45.6K | +0.8% | — | |
| 2022-07-06 | 2022-07-03 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +394 | 45.2K | +0.9% | — | |
| 2022-06-28 | 2022-06-24 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $15.95 | -456 | 44.8K | -1% | -$7,273 | |
| 2022-06-21 | 2022-06-19 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +418 | 45.3K | +0.9% | — | |
| 2022-06-07 | 2022-06-05 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +419 | 44.8K | +0.9% | — | |
| 2022-06-01 | 2022-05-27 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $14.53 | -43 | 44.4K | -0.1% | -$624.79 | |
| 2022-05-24 | 2022-05-22 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +448 | 44.5K | +1% | — | |
| 2022-05-17 | 2022-05-13 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $12.32 | -125 | 44.0K | -0.3% | -$1,540 | |
| 2022-03-24 | 2022-03-22 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $23.06 | -551 | 44.1K | -1% | -$12.7K | |
| D | 2022-03-09 | 2022-02-24 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | A - Grant | — | +23.4K | 44.7K | +109% | — |
| 2022-03-03 | 2022-03-01 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $23.78 | -56 | 21.3K | -0.3% | -$1,332 | |
| A | 2022-02-17 | 2021-12-22 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $38.49 | -310 | 22.1K | -1% | -$11.9K |
| 2022-02-17 | 2022-02-15 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $26.57 | -695 | 21.4K | -3% | -$18.5K | |
| A | 2022-02-17 | 2021-11-30 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $37.59 | -33 | 22.4K | -0.1% | -$1,240 |
| A | 2022-02-17 | 2022-01-07 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $30.75 | -47 | 22.1K | -0.2% | -$1,445 |
| 2022-01-11 | 2022-01-07 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $30.75 | +47 | 22.1K | +0.2% | +$1,445 | |
| 2021-12-23 | 2021-12-22 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $38.49 | +310 | 22.1K | +1% | +$11.9K | |
| 2021-12-02 | 2021-11-30 | BLFS | BIOLIFE SOLUTIONS INC | Wichterman Troy | CFO | S - Sale | $37.59 | +33 | 22.4K | +0.1% | +$1,240 |
Purchase Sale Sale after option exercise All abbreviations