Senior insider sale
Chief Legal Officer at DEFINIUM THERAPEUTICS, INC. — senior position signals high conviction
$258.5K
22.55K shares
What this filing means
SULLIVAN MARK plans to sell 22.55K shares of DEFINIUM THERAPEUTICS, INC. valued at approximately $258.5K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 12/29/2025ACC: 0001104659-25-124861
Officer· Chief Legal Officer
Since Feb 2026
22.55K
Shares to sell
$258.5K
Approx. market value
11.28K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Restricted Stock Vesting
Compensation
12/26/2025
11.28KTotal acquired11.28K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
12/26/2025 | Restricted Stock Vesting Compensation | 11.28K | — |
| Total | 11.28K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
11.28K
Market value
$110.2K
9/25/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
11.28K
Market value
$148.2K
12/26/2025
Total
Units
22.55K
Value
$258.5K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
9/25/2025 | 11.28K | $110.2K | — | Completed |
| Planned — Approximate Date | ||||
12/26/2025 | 11.28K | $148.2K | NASDAQ | Planned |
| Total | 22.55K | $258.5K | ||