8-K Current report

Filed Tuesday, December 2, 2025, accepted by the SEC at 5:16 PM Eastern. Events (8-K).

Open the filing at sec.gov Main document

Accession number: 0000931148-25-000161
Form: 8-K
Period or event date: Nov 25, 2025
Main document: gti-20251125.htm
Size at EDGAR: 347 KB

8-K items reported

Item numbers as the company tagged them, with the official titles from SEC Form 8-K. The text of what happened is in the filing itself.

5.02Directors or officersDeparture of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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