AlphaYouMS
Insider selling
Mark Sullivan sold $514K of Definium Therapeutics, Inc. (DFTX) stock
Mark Sullivan, Chief Legal Officer of Definium Therapeutics, Inc. (DFTX), sold 14,051 shares of DFTX stock worth $514K, per an SEC Form 4 filed Sep 30, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Sep 25, 2026, 5 days before it was made public.
DFTX has moved +5.6% since the trade date, from $36.17 to $38.21 (Sep 29, 2026 close).
- Traded
- Sep 25, 2026
- Disclosed
- Sep 30, 2026
- Filing delay
- 5 days
- Price since
- +5.6%
- Role
- Chief Legal Officer
- Source
- SEC Form 4
More DFTX insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.