Insiders / Sullivan Mark
Sullivan Mark
CIK 1331843personinsider
Companies
1
First seen
Feb 5, 2026
Last activity
Jun 26, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Definium Therapeutics, Inc. · DFTX | 320,571 | — |
All securities held
1 position · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Definium Therapeutics, Inc. | Common Shares | 320,571 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jun 25, 2026 | Sell | DFTX Definium Therapeutics, Inc. Common Shares | $585.8K | -13K -3.90% | 320,571 0.24% of shares | medium |
| Mar 25, 2026 | Sell | DFTX Definium Therapeutics, Inc. Common Shares | $197.7K | -11K -3.80% | 271,079 0.20% of shares | medium |
| Jun 22, 2026 | Grant | DFTX Definium Therapeutics, Inc. Common Shares | $0 | +63K +23.06% | 333,579 0.25% of shares | low |
| Feb 3, 2026 | Grant | DFTX Definium Therapeutics, Inc. Common Shares | $0 | +125K +44.24% | 407,576 0.30% of shares | low |