Casdin Partners Master Fund, L.P.
SEC CIK 1534265 · EDGAR
BoughtSold
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 10
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MI | 2026-05-21 19:10 | 2026-05-19+ | BLFS | BIOLIFE SOLUTIONS INC | Casdin Partners Master Fund, L.P. | 10% | S - Sale | $23.44 | -1.20M | 4.76M | -20% | -$28.12M |
| MI | 2025-11-17 | 2025-11-13+ | LAB | STANDARD BIOTOOLS INC. | Casdin Partners Master Fund, L.P. | Dir, 10% | P - Purchase | $1.22 | +925.0K | 62.75M | +1% | +$1.12M |
| I | 2025-09-11 | 2025-09-09 | LAB | STANDARD BIOTOOLS INC. | Casdin Partners Master Fund, L.P. | Dir, 10% | P - Purchase | $1.29 | +100.0K | 60.88M | +0.2% | +$129.0K |
| MI | 2025-08-26 | 2025-08-22+ | LAB | STANDARD BIOTOOLS INC. | Casdin Partners Master Fund, L.P. | Dir, 10% | P - Purchase | $1.25 | +525.0K | 60.27M | +0.9% | +$657.5K |
| 2024-08-05 | 2024-08-01 | WGS | GeneDx Holdings Corp. | Casdin Partners Master Fund, L.P. | Dir, 10% | J - Other | $32.25 | +413.7K | 3.51M | +13% | +$13.34M | |
| 2024-05-02 | 2024-04-30 | BLFS | BIOLIFE SOLUTIONS INC | Casdin Partners Master Fund, L.P. | 10% | J - Other | $17.54 | +150.0K | 8.71M | +2% | +$2.63M | |
| I | 2024-05-02 | 2024-04-30 | BLFS | BIOLIFE SOLUTIONS INC | Casdin Partners Master Fund, L.P. | 10% | J - Other | $17.54 | -150.0K | 0 | -100% | -$2.63M |
| M | 2024-03-06 | 2024-03-04+ | WGS | GeneDx Holdings Corp. | Casdin Partners Master Fund, L.P. | Dir, 10% | P - Purchase | $8.74 | +40.9K | 2.70M | +2% | +$357.5K |
| A | 2023-05-19 | 2021-09-01 | BLFS | BIOLIFE SOLUTIONS INC | Casdin Partners Master Fund, L.P. | 10% | J - Other | — | +131.4K | 7.57M | +2% | — |
| MI | 2023-05-18 | 2023-05-16+ | BLFS | BIOLIFE SOLUTIONS INC | Casdin Partners Master Fund, L.P. | 10% | P - Purchase | $21.26 | +75.0K | 45.0K | New | +$1.60M |
Purchase Sale Sale after option exercise All abbreviations