Sullivan Mark

Definium Therapeutics, Inc. · Chief Legal Officer

Sullivan Mark is listed in public filings as officer: Chief Legal Officer. This Sullivan Mark insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Definium Therapeutics, Inc. (DFTX). Investors use Sullivan Mark's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Definium Therapeutics, Inc.DFTX$5.0M271.1k sharesSellMar 25, 2026$197.7K10.7k shares$18.47--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Definium Therapeutics, Inc.DFTX--407.6k sharesGrant / ExerciseFeb 3, 2026Disclosure amount unavailable125k shares----
Definium Therapeutics, Inc.DFTX$3.7M282.6k sharesSellDec 26, 2025$148.2K11.3k shares$13.15--
Definium Therapeutics, Inc.DFTX$2.9M293.9k sharesSellSep 25, 2025$110.2K11.3k shares$9.77--
Definium Therapeutics, Inc.DFTX$2.1M305.1k sharesSellJun 25, 2025$78.1K11.5k shares$6.80--
Definium Therapeutics, Inc.DFTX$2.1M316.6k sharesSellMar 25, 2025$44.3K6.6k shares$6.74--
Definium Therapeutics, Inc.DFTX--323.2k sharesGrant / ExerciseMar 12, 2025Disclosure amount unavailable150k shares----
Definium Therapeutics, Inc.DFTX$1.3M173.2k sharesSellDec 26, 2024$33.6K4.5k shares$7.43--
Definium Therapeutics, Inc.DFTX$1.1M177.7k sharesSellSep 25, 2024$26.5K4.4k shares$5.98--
Definium Therapeutics, Inc.DFTX$1.3M182.1k sharesSellJun 25, 2024$128.9K17.9k shares$7.22--