▼ SELL
$ Value
$11.3M
Shares
500,000
Price
$23
Filed
Aug 13
Insider
Name
Casdin Partners Master Fund, L.P.
Title
—
CIK
0001534265
Roles
10% Owner
Transaction Details
Transaction Date
2025-08-11
Code
S
Table
Non-Derivative
Ownership
Indirect
Equity Swap
No
Shares After
7,207,165
Footnotes
The securities are owned directly by Casdin Partners Master Fund, L.P. (the "Master Fund") and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC ("Casdin Capital"), the investment adviser to the Master Fund, (ii) Casdin Partners GP, LLC ("Casdin GP"), the general partner of the Master Fund, and (iii) Eli Casdin, the managing member of Casdin Capital and Casdin GP.
Filing Info
Casdin Partners Master Fund, L.P.'s History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2025-12-04 | LAB | ▲ | $217K |
| 2025-12-03 | LAB | ▲ | $108K |
| 2025-12-02 | LAB | ▲ | $178K |
| 2025-11-25 | LAB | ▲ | $9.8M ★ |
| 2025-11-24 | LAB | ▲ | $215K |
| 2025-11-20 | LAB | ▲ | $586K |
| 2025-11-19 | LAB | ▲ | $449K |
| 2025-11-18 | LAB | ▲ | $339K |
| 2025-11-17 | LAB | ▲ | $276K |
| 2025-11-14 | LAB | ▲ | $310K |
Other Insiders at BLFS (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
|
DE GREEF RODERICK
President and CEO
|
— | — | 2026-03-19 |
| GOSWAMI JOYDEEP | — | — | 2026-02-24 |
|
Mathew Aby J.
EVP & Chief Scientific Officer
|
— | $11K | 2026-04-08 |
| Ellingson Rachel | — | — | 2026-02-24 |
| Hunt Anthony | — | — | 2026-02-24 |
|
Berard Todd
Chief Marketing Officer
|
— | $7K | 2026-04-08 |
| MOORE TIMOTHY L. | — | — | 2026-02-24 |
|
Foster Karen A.
Chief Quality and Operations
|
— | $2.0M | 2026-03-23 |
| Coste Catherine | — | — | 2026-02-24 |
|
Aebersold Sarah
Chief Human Resources Officer
|
— | $5K | 2026-03-19 |
| DuRoss Amy | — | — | 2026-02-24 |
|
Wichterman Troy
Chief Financial Officer
|
— | $12K | 2026-04-08 |
|
Werner Sean
Chief Technology Officer
|
— | $2K | 2026-03-19 |