FilingIndex
8-KThe WireRed Alert

Executive Change

Filed Jan 8, 2026 · 5mo ago · Accession 0001193125-26-007697

Plain English

Material event — a significant development the company must disclose promptly.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Ticker
GPK
CIK
1408075
Form type
8-K
Filing date
Jan 8, 2026
Report date
Jan 5, 2026
Document
d31167d8k.htm
Size
130 KB