GRAYZEL DAVID S.
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to GRAYZEL DAVID S.. 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 |
|---|---|---|---|---|---|---|
| JBIO | Sale | 11,882 | $28.15 | $334,478 | Apr 9, 2024 | |
| 0001718108 | Disposition | 2,945,453 | — | — | Sep 8, 2023 | |
| JBIO | Purchase | 535,714 | $14.00 | $7,499,996 | Jul 2, 2021 | |
| 0001718108 | Sale | 1,700,000 | $8.10 | $13,770,000 | Dec 17, 2020 | |
| 0001718108 | Sale | 1,700,000 | $18.10 | $30,770,000 | Dec 17, 2020 | |
| 0001718108 | Purchase | 100,000 | $15.00 | $1,500,000 | Apr 23, 2018 |