SULLIVAN MARK

PrivateCIK: 1331843
Location

MOUNT LAUREL, NJ

Senior insider sale

Chief Legal Officer at DEFINIUM THERAPEUTICS, INC. — senior position signals high conviction

$77.9K

11.10K shares

What this filing means

SULLIVAN MARK plans to sell 11.10K shares of DEFINIUM THERAPEUTICS, INC. valued at approximately $77.9K. 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.

InsiderSULLIVAN MARKCIK 1331843
Officer· Chief Legal Officer
Since Feb 2026
11.10K
Shares to sell
$77.9K
Approx. market value
6.58K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Sort

Restricted stock vesting under a registered plan

Compensation

3/25/2025
6.58K
Total acquired6.58K
Planned & Completed Dispositions2
Sort

Completed

Completed

Units to sell

4.52K

Market value

$33.6K

12/26/2024

Planned — Approximate Date

NASDAQPlanned

Units to sell

6.58K

Market value

$44.3K

3/25/2025
Total

Units

11.10K

Value

$77.9K

SULLIVAN MARK — Planned Insider Sale (Form 144) | Finecho