Casdin Partners Master Fund, L.P.
Insider transactions at 4 companies
This page shows all SEC Form 4 filings attributed to Casdin Partners Master Fund, L.P.. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| LAB | Purchase | 250,000 | $1.24 | $310,000 | Nov 17, 2025 | |
| LAB | Purchase | 100,000 | $1.29 | $129,000 | Sep 9, 2025 | |
| LAB | Purchase | 125,000 | $1.26 | $157,500 | Aug 25, 2025 | |
| WGSWW | Other | 413,655 | $32.25 | $13,340,374 | Aug 1, 2024 | |
| BLFS | Other | 150,000 | $17.54 | $2,631,000 | Apr 30, 2024 | |
| WGSWW | Purchase | 40,000 | $8.74 | $349,600 | Mar 5, 2024 | |
| BLFS | Purchase | 30,027 | $21.30 | $639,575 | May 16, 2023 | |
| BLFS | Other | 131,428 | — | — | Sep 1, 2021 | |
| 0001840574 | Purchase | 1,100,000 | $19.00 | $20,900,000 | Jun 21, 2021 | |
| 0001656536 | C | 546,421 | — | — | Feb 17, 2021 | |
| BLFS | Purchase | 305,583 | $14.50 | $4,430,954 | Jul 1, 2020 | |
| BLFS | Purchase | 476,191 | $10.50 | $5,000,006 | May 22, 2020 | |
| BLFS | Purchase | 20,000 | $15.68 | $313,600 | Nov 19, 2019 | |
| FULC | C | 464,285 | — | — | Jul 22, 2019 |