FilingIndex
8-KThe WireRed Alert

Executive Change

Filed Apr 9, 2026 · 2mo ago · Accession 0000891014-26-000099

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
MTX
CIK
891014
Form type
8-K
Filing date
Apr 9, 2026
Report date
Apr 5, 2026
Document
mtx-20260405.htm
Size
138 KB