SpaceFUNDING · · 1 OUTLETCesiumAstro Raises $730M Series D at a Valuation Above $4.5B, Unveils 737-Satellite Constellationvia WowtaleKEY TAKEAWAYSCesiumAstro raised $730M in a Series D at a $4.5B valuation.Single source so far: Google News · funding.CesiumAstro: founded 2017 · HQ CA, US · stage: Series B.Most recent Form D on file: $270.5M (Jun 2026).TIMELINEGoogle News · funding breaks the storyREAD AT SOURCE →COMPANY PROFILEALERT ON THIS