FORM 8-K

Company

ADVANCED ENERGY INDUSTRIES INC

Filed

December 28, 2017

Period of Report

December 25, 2017

Accession Number

0000927003-17-000063

An 8-K is a current report used to announce material events that shareholders should know about — such as earnings releases, mergers, executive changes, or bankruptcy. Learn more about 8-K filings →