Archer Aviation Inc. completed its business combination with Atlas Crest Investment Corp (Nasdaq: ACIC), a blank-check company sponsored by Atlas Crest Partners LLC and affiliated with investment banker Ken Moelis, in 2021. Atlas Crest conducted its initial public offering in 2020, targeting the aerospace and advanced transportation sector with a focus on electric vertical takeoff and landing, or eVTOL, technology. The combined company, operating in the urban air mobility space and subsequently trading under the ticker ACHR, filed an 8-K current report with the SEC on September 4, 2026, disclosing a material corporate event. Readers seeking the full filing detail, sponsor economics, and ongoing company disclosures can access comprehensive data by signing up at SpacDesk.