Graphic Packaging faces new derivative lawsuit filed Aug 14, 2026

GRAPHIC PACKAGING HOLDING CO

Derivative lawsuit filed Aug 14, 2026 against GPHC and current/former officers and directors.
Claims: federal securities law violations, breach of fiduciary duty, aiding and abetting, waste, unjust enrichment.
Allegations substantially similar to June 2026 derivative action disclosed in Q2 10-Q.
Company intends to vigorously defend against the claims.

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