GRYSKA DAVID W
SEC CIK 1202335 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| DFTX | Definium Therapeutics, Inc. | Dir | 19.9K | $38.9K | — | 4 | 2023-06-21 | 2026-06-11 |
Most active insiders at DFTX, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Barrow Robert | CEO, Dir | — | $3.08M |
| 2 | Sullivan Mark | CLO | — | $1.04M |
| 3 | Karlin Daniel | Chief Medical Off | — | $748.9K |
| 4 | Roberts Brandi | CFO | — | $135.7K |
| 5 | Wiley Matthew T. | Chief Commercial Off | — | $129.1K |
| 6 | Adsett Roger | Dir | — | — |
| 7 | CRYSTAL ROGER | Dir | — | — |
| 8 | Bruhn Suzanne Louise | Dir | — | — |
| 9 | Krebs Andreas | Dir | — | — |
| 10 | Vallone Carol A | Dir | — | — |
| 11 | GRYSKA DAVID W | Dir | — | — |
Transactions 4
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-06-15 16:30 | 2026-06-11 | DFTX | Definium Therapeutics, Inc. | GRYSKA DAVID W | Dir | A - Grant | $0.00 | +4,666 | 19.9K | +31% | $0 |
| 2024-12-05 | 2024-12-05 | DFTX | Definium Therapeutics, Inc. | GRYSKA DAVID W | Dir | P - Purchase | $7.17 | +2,500 | 19.9K | +14% | +$17.9K | |
| 2024-08-26 | 2024-08-23 | DFTX | Definium Therapeutics, Inc. | GRYSKA DAVID W | Dir | P - Purchase | $5.98 | +3,500 | 17.4K | +25% | +$20.9K | |
| D | 2023-06-23 | 2023-06-21 | DFTX | Definium Therapeutics, Inc. | GRYSKA DAVID W | Dir | A - Grant | $0.00 | +13.9K | 13.9K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations