FilingIndex
8-KThe WireRed Alert

Executive Change

Filed Dec 19, 2025 · 6mo ago · Accession 0001064728-25-000144

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
BTU
CIK
1064728
Form type
8-K
Filing date
Dec 19, 2025
Report date
Dec 17, 2025
Document
btu-20251217.htm
Size
4.1 MB