{"id":"0d55fffd-65ab-454d-8f66-b4f433cd1517","kind":"news","code":"0d55fffd-65ab-454d-8f66-b4f433cd1517","name":"Impulse Space Raises $308M Series D Extension at ~$5.4B Valuation","nameBasis":"translated-title","summary":"On September 16, 2026, per Impulse Space, spacecraft, propulsion and in-orbit transportation company raised $308M in a Series D extension, bringing the round to $808M total at a valuation of about $5.4B. The company was founded by Tom Mueller, former SpaceX propulsion systems lead.","description":"","country":null,"category":null,"originalName":"Impulse Space完成3.08亿美元D轮追加融资，估值约54亿美元","eventDate":"2026-09-16T00:00:00.000Z","website":"https://www.impulsespace.com/updates/impulse-space-announces-308-million-series-d-extension-to-meet-","sourceUpdatedAt":"2026-10-17T23:00:20.243Z","englishUpdatedAt":"2026-10-18T08:52:09.641Z","reviewedAt":"2026-10-18T08:52:09.641Z","snapshotAt":"2026-10-18T08:51:49.337Z","sourceHash":"68c99128129db868b002e04546b38cb9a7a06a646d62c3d9d6064066a5e33ffe","companyId":"938ccaa6-8604-44f2-8e2b-04dcef7491ec","foundedYear":null,"logoUrl":null,"originalText":"2026年9月16日，据Impulse Space官网，航天器、推进和在轨运输公司完成3.08亿美元D轮追加融资，使本轮累计金额达8.08亿美元，估值约54亿美元。公司由SpaceX前推进系统负责人Tom Mueller创立。","sources":[{"url":"https://www.impulsespace.com/updates/impulse-space-announces-308-million-series-d-extension-to-meet-","publishedOn":"2026-09-16T00:00:00.000Z"}],"related":[{"id":"938ccaa6-8604-44f2-8e2b-04dcef7491ec","kind":"companies","code":"UB-C9443","name":"Impulse Space","nameBasis":"source-english","summary":"","description":"","country":null,"category":null,"originalName":"Impulse Space","eventDate":null,"website":null,"sourceUpdatedAt":"2026-10-12T00:00:00.000Z","englishUpdatedAt":"2026-10-15T17:10:20.400Z","reviewedAt":"2026-10-15T17:10:20.400Z","snapshotAt":"2026-10-15T14:23:27.067Z","sourceHash":"a1cfdd0ea61520459cb3d71049b9dbc0aeff5d4861c66621d77f1a2d2b4add09","companyId":null,"foundedYear":null,"logoUrl":null,"path":"/companies/impulse-space"}],"path":"/news/0d55fffd-65ab-454d-8f66-b4f433cd1517","structured":{"city":null,"country":null,"location":null,"role":null,"category":null,"company":{"name":"Impulse Space","path":"/companies/impulse-space"}},"canonical":"https://uniquebase.ai/news/0d55fffd-65ab-454d-8f66-b4f433cd1517"}