Definium Therapeutics, Inc.·4

Jun 26, 4:30 PM ET

Roberts Brandi 4

4 · Definium Therapeutics, Inc. · Filed Jun 26, 2026

Research Summary

AI-generated summary of this filing

Updated

Definium (DFTX) CFO Brandi Roberts Sells 3,013 Shares

What Happened

  • Brandi Roberts, Chief Financial Officer of Definium Therapeutics (DFTX), sold 3,013 common shares on 2026-06-25 at $45.03 per share, generating proceeds of $135,675. The filing reports the disposition (sale).

Key Details

  • Transaction date: 2026-06-25; Filing date (Form 4): 2026-06-26.
  • Price per share: $45.03; Total proceeds: $135,675.
  • Shares owned after transaction: not disclosed in the provided filing.
  • Footnote: Sale made to satisfy withholding tax obligations related to the settlement of vested restricted stock units pursuant to sell-to-cover elections under a Rule 10b5-1 plan adopted May 30, 2025 (F1).
  • Timeliness: Filed the day after the transaction (appears timely based on provided dates).

Context

  • This was a tax-withholding "sell-to-cover" disposition under a pre-existing 10b5-1 plan, a routine administrative sale when restricted stock vests. Such transactions are common and do not necessarily signal a change in the insider's view of the company.

Insider Transaction Report

Form 4
Period: 2026-06-25
Roberts Brandi
Chief Financial Officer
Transactions
  • Sale

    Common Shares

    [F1]
    2026-06-25$45.03/sh3,013$135,675209,487 total
Footnotes (1)
  • [F1]Represents the number of Common Shares sold to satisfy withholding tax obligations in connection with the settlement of vested restricted stock units, pursuant to sell-to-cover elections under a Rule 10b5-1 plan adopted on May 30, 2025.
Signature
/s/ Mark Sullivan, Attorney-in-Fact for Brandi Roberts|2026-06-26

Documents

1 file
  • 4
    ownership.xmlPrimary

    4