FilingIndex
8-KThe WireRed Alert

Executive Change

Filed May 21, 2026 · 1mo ago · Accession 0001064728-26-000032

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
May 21, 2026
Report date
May 20, 2026
Document
btu-20260520.htm
Size
140 KB