Werner Sean
SEC CIK 2047541 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| BLFS | BIOLIFE SOLUTIONS INC | CTO | 47.1K | — | $50.9K | 15 | 2025-03-03 | 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 |
| 11 | Werner Sean | CTO | — | $12.9K |
Transactions 15
| 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 | Werner Sean | CTO | F - Tax | $36.69 | -421 | 47.1K | -0.9% | -$15.4K | |
| 2026-07-21 18:47 | 2026-07-17 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | F - Tax | $29.15 | -275 | 47.6K | -0.6% | -$8,016 | |
| 2026-06-22 16:50 | 2026-06-18 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | F - Tax | $26.04 | -420 | 47.8K | -0.9% | -$10.9K | |
| 2026-03-23 | 2026-03-19 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | F - Tax | $19.12 | -1,681 | 48.3K | -3% | -$32.1K | |
| 2026-03-05 | 2026-03-03 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | S - Sale | $20.74 | -111 | 49.9K | -0.2% | -$2,302 | |
| 2026-02-26 | 2026-02-24 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | A - Grant | — | +24.1K | 50.0K | +93% | — | |
| 2025-11-28 | 2025-11-25 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | S - Sale | $26.74 | -110 | 25.9K | -0.4% | -$2,941 | |
| 2025-10-22 | 2025-10-20 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | S - Sale | $27.82 | -275 | 26.0K | -1% | -$7,650 | |
| 2025-09-15 | 2025-09-11 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | S - Sale | $26.83 | -72 | 26.3K | -0.3% | -$1,932 | |
| 2025-08-28 | 2025-08-26 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | S - Sale | $25.44 | -111 | 26.4K | -0.4% | -$2,824 | |
| 2025-07-22 | 2025-07-18 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | S - Sale | $21.22 | -1,115 | 26.5K | -4% | -$23.7K | |
| 2025-06-12 | 2025-06-10 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | S - Sale | $23.70 | -65 | 27.6K | -0.2% | -$1,540 | |
| 2025-05-30 | 2025-05-28 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | S - Sale | $22.46 | -109 | 27.7K | -0.4% | -$2,448 | |
| 2025-03-20 | 2025-03-18 | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | A - Grant | — | +22.9K | 27.8K | +471% | — | |
| M | 2025-03-05 | 2025-03-03+ | BLFS | BIOLIFE SOLUTIONS INC | Werner Sean | CTO | S - Sale | $24.90 | -224 | 4,953 | -4% | -$5,577 |
Purchase Sale Sale after option exercise All abbreviations