Barrow Robert 4
4 · Definium Therapeutics, Inc. · Filed Jun 26, 2026
Research Summary
AI-generated summary of this filing
Definium Therapeutics CEO Robert Barrow Sells 29,208 Shares
What Happened Robert Barrow, CEO of Definium Therapeutics (DFTX), reported a sale of 29,208 common shares on June 25, 2026 at $45.03 per share, totaling $1,315,236. The transaction is reported as a sale (S) and was executed to satisfy tax withholding obligations associated with the settlement of vested restricted stock units (RSUs).
Key Details
- Transaction date: 2026-06-25
- Price per share: $45.03; Total value: $1,315,236
- Transaction type: Sale (S) — reported as open market/private sale
- Footnote: Sale used to satisfy withholding tax on vested RSUs pursuant to sell-to-cover elections under a Rule 10b5-1 plan adopted June 15, 2022 (Footnote F1)
- Shares owned after transaction: Not specified in the provided filing
- Filing date: 2026-06-26 (reported promptly; no late filing indicated)
Context Sell-to-cover transactions are routine when RSUs vest: a portion of shares is sold to cover tax withholding rather than representing a discretionary cash sale by the insider. Such sales are common and are not, by themselves, clear signals of the insider’s view on the company’s prospects.
Insider Transaction Report
Form 4
Barrow Robert
DirectorChief Executive Officer
Transactions
- Sale
Common Shares
[F1]2026-06-25$45.03/sh−29,208$1,315,236→ 1,098,246 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 June 15, 2022.
Signature
/s/ Mark Sullivan, Attorney-in-Fact for Robert Barrow|2026-06-26