Senior insider sale
Chief Legal Officer at DEFINIUM THERAPEUTICS, INC. — senior position signals high conviction
$345.9K
21.98K shares
What this filing means
SULLIVAN MARK plans to sell 21.98K shares of DEFINIUM THERAPEUTICS, INC. valued at approximately $345.9K. 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: 3/25/2026ACC: 0001950047-26-003005
Officer· Chief Legal Officer
Since Feb 2026
21.98K
Shares to sell
$345.9K
Approx. market value
10.70K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Restricted stock vesting under a registered plan
Services Rendered
3/25/2026
10.70KTotal acquired10.70K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
3/25/2026 | Restricted stock vesting under a registered plan Services Rendered | 10.70K | — |
| Total | 10.70K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
11.28K
Market value
$148.2K
12/26/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
10.70K
Market value
$197.7K
3/25/2026
Total
Units
21.98K
Value
$345.9K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
12/26/2025 | 11.28K | $148.2K | — | Completed |
| Planned — Approximate Date | ||||
3/25/2026 | 10.70K | $197.7K | NASDAQ | Planned |
| Total | 21.98K | $345.9K | ||