DELGROSSO DOUGLAS G 4

What Happened
Douglas G. DelGrosso, a director of Cabot Corp (CBT), was granted 27.694 derivative units on 2026-06-12 valued at $87.65 each, a total notional value of about $2,427. The Form 4 lists the transaction as an Award/Grant (code A) of derivative securities (phantom stock units), not an open‑market purchase of shares.

Key Details

• Transaction date: 2026-06-12; Report filed: 2026-06-16 (filed within the typical two-business-day window).
• Instrument: 27.694 derivative units at $87.65 per unit; total notional value ≈ $2,427.
• Shares owned after transaction: Not specified in the filing.
• Footnotes:
  • F1: 1-for-1 (each unit corresponds to one share-equivalent).
  • F2: Units represent phantom stock under the Non‑Employee Director's Deferral Plan; dividends on these units are represented and settlement will occur upon the director’s termination of service or per the director’s distribution election.
• Transaction code: A = Award/Grant (derivative), not a cash purchase (P) or sale (S).

Context
This was a compensation-related award of phantom stock units for a non-employee director. Such grants are routine director compensation and do not represent an immediate open-market purchase or sale of Cabot common stock; settlement will occur later per the plan’s terms.