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Definium Therapeutics, Inc. (DFTX)

Definium Therapeutics, Inc. (DFTX) Insider Trading

Directors, officers and holders of more than 10% of DFTX report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 52 transactions on file: 0 with code P, 14 with code S and 36 with other codes.

DateInsiderCodeShares
Sep 25, 2026Wiley Matthew T.S Sale3,097
Sep 25, 2026Barrow RobertS Sale31,550
Sep 25, 2026Karlin DanielS Sale10,853
Sep 25, 2026Roberts BrandiS Sale3,377
Sep 25, 2026Sullivan MarkS Sale14,051
Sep 18, 2026Krebs AndreasM Exercise1,629
Sep 18, 2026Krebs AndreasM Exercise1,629
Sep 18, 2026Vallone Carol AM Exercise1,086
Sep 18, 2026Vallone Carol AM Exercise1,086
Sep 14, 2026Wiley Matthew T.A Award125,000
Sep 14, 2026Barrow RobertA Award750,000
Sep 14, 2026Roberts BrandiA Award125,000
Sep 14, 2026Sullivan MarkA Award125,000
Sep 14, 2026Karlin DanielA Award200,000
Sep 3, 2026Barrow RobertS Sale19,023
Sep 2, 2026Barrow RobertA Award40,000
Aug 12, 2026Sullivan MarkA Award62,500
Aug 12, 2026Barrow RobertA Award375,000
Aug 12, 2026Karlin DanielA Award100,000
Aug 12, 2026Wiley Matthew T.A Award62,500
Aug 12, 2026Roberts BrandiA Award62,500
Jun 25, 2026Barrow RobertS Sale29,208
Jun 25, 2026Karlin DanielS Sale10,035
Jun 25, 2026Wiley Matthew T.S Sale2,867
Jun 25, 2026Sullivan MarkS Sale13,008
Jun 25, 2026Roberts BrandiS Sale3,013
Jun 22, 2026Karlin DanielA Award100,000
Jun 22, 2026Sullivan MarkA Award62,500
Jun 22, 2026Wiley Matthew T.A Award62,500
Jun 22, 2026Barrow RobertA Award375,000
Jun 22, 2026Roberts BrandiA Award62,500
Jun 11, 2026Krebs AndreasA Award4,666
Jun 11, 2026Vallone Carol AA Award4,666
Jun 11, 2026GRYSKA DAVID WA Award4,666
Jun 11, 2026CRYSTAL ROGERA Award4,666
Jun 11, 2026Vallone Carol AA Award19,188
Jun 11, 2026Adsett RogerA Award14,620
Jun 11, 2026Bruhn Suzanne LouiseA Award19,188
Jun 11, 2026Bruhn Suzanne LouiseA Award4,666
Jun 11, 2026Adsett RogerA Award3,555
Jun 11, 2026CRYSTAL ROGERA Award19,188
Jun 11, 2026GRYSKA DAVID WA Award19,188
Jun 11, 2026Krebs AndreasA Award19,188
Mar 25, 2026Karlin DanielS Sale8,018
Mar 25, 2026Sullivan MarkS Sale10,702
Mar 25, 2026Barrow RobertS Sale24,431
Feb 3, 2026Wiley Matthew T.A Award115,000
Feb 3, 2026Sullivan MarkA Award125,000
Feb 3, 2026Roberts BrandiA Award150,000
Feb 3, 2026Barrow RobertA Award320,000

The full Form 4 history is on the DFTX company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.