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EdgarHawk

Mark Sullivan

Chief Legal Officer

Officer

Latest: CLO selling · June 2026

1 filing analyzed · 1 company · Latest 2026-06-26

Companies

Company Buys Sells Direction
Definium Therapeutics, Inc. DFTX 0 1 Net selling

Activity

June 2026
low
Sell
13,008 shares
$585,750
Significance 4/10

CLO Mark Sullivan sells 13,008 shares of DFTX at $45.03 under pre-arranged 10b5-1 plan; retains 320,571 shares post-sale

Mark Sullivan (Chief Legal Officer) sold 13,008 shares at $45.03 on 2026-06-25 under a 10b5-1 trading plan adopted on 2024-03-14, generating $585,750.24 in proceeds. This is a scheduled, non-discretionary transaction rather than a discretionary sale decision. Sullivan retained 320,571 shares post-transaction, representing a -3.9% reduction in his holdings. The sale occurred as the stock trades at $44.95 (current price), near its 52-week high of $47.01, though the company reported a negative net income of $-77,098,000.00 over its most recent full fiscal year.

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