Form 4 for DFTX Definium Therapeutics, Inc.
Accepted 2026-09-18 21:55:06 ET · period of report 2026-09-18 · accession 0001193125-26-395892 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-09-18 21:55 | 2026-09-18 | DFTX | Vallone Carol A | Dir | M - OptEx | $35.52 | +1,086 | 22.3K | +5% | +$38.6K |
| D | 2026-09-18 21:55 | 2026-09-18 | DFTX | Vallone Carol A | Dir | M - OptEx | $0.00 | -1,086 | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Shares | 2026-09-18 | M | A | 1,086 | $35.52 | 22,296 | D | — | — | |
| 2 | Derivative | Stock Option (Right to Buy) | 2026-09-18 | M | D | 1,086 | $0.00 | 0 | D | $35.52 · 2021-09-29 to 2026-09-29 | 1,086 Common Shares |