Evolv Technology Holdings, Inc. (Nasdaq: EVLV) is an artificial-intelligence-powered security screening company focused on the public-safety and venue-security sector, offering touchless weapons-detection systems deployed at stadiums, schools, hospitals, and entertainment venues. The company completed its SPAC business combination and began trading under the EVLV ticker in 2021, with this S-1/A amendment filed on September 2, 2021 representing a post-merger registration filing with the SEC. Headquartered in Waltham, Massachusetts, Evolv operates at the intersection of physical security technology and machine learning. For complete filing history, ownership data, and deal analytics on EVLV and hundreds of other SPAC transactions, sign up for full access at SpacDesk.