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Reg FD Disclosure · Company Update

Filed Jul 20, 2020 · 6y ago · Accession 0001104657-20-000091

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
MTRN
CIK
1104657
Form type
8-K
Filing date
Jul 20, 2020
Report date
Jul 20, 2020
Document
a720208-k.htm
Size
487 KB