Mark Sullivan

Chief Legal Officer, Definium Therapeutics, Inc.

Bought, 12 months

$0.0M

Sold, 12 months

$1.4M

Companies

Latest trade

Sep 25, 2026

Companies

Definium Therapeutics, Inc.Chief Legal Officer −$1.4M

Trades

DFTX Sold 14,051 shares at $36.57 · planned $0.5M Sep 25

DFTX Sold 13,008 shares at $45.03 · planned $0.6M Jun 25

DFTX Sold 10,702 shares at $18.47 · planned $0.2M Mar 25

DFTX Sold 11,276 shares at $13.15 · planned $0.1M Dec 26

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.