Quantumsphere Acquisition CORP (QUMSR) SEC Filings — 2017 0 SEC filings for Quantumsphere Acquisition CORP (QUMSR) in 2017. FilingsNo filings found for QUMSR in 2017. ExploreAll QUMSR Filings · QUMSR 2016 · QUMSR 2018 · All 2017 Filings