SpaceNexus company dossier
Muon Space
Data as of Oct 20, 2026. Every fact below cites a numbered public record; the records are listed in full at the end.
https://spacenexus.us/company-profiles/muon-space
Facts
| Area | Fact | Figure | Date | Source |
|---|---|---|---|---|
| Filings | Form D notices | 1 offering reported on Form Dfirst sale Aug 9, 2022 | Aug 9, 2022First sale | [1] [2] |
| Funding | Latest sourced round | Series C: $250.0MLead recorded as Eclipse Capital | Aug 20, 2026Announced | [3] |
| Funding | Sourced rounds on record | 5 rounds, $386.2M disclosedEvery round has a disclosed amount | Aug 20, 2026Latest round | [3] [4] [5] [1] [6] |
| Hiring | Open roles | 144 open roles30 days ago: 121 (Sep 20, 2026). 90 days ago: before our daily count began (Aug 13, 2026) | Oct 19, 2026Counted | [7] |
| Satellites | Satellites owned or operated | 3 in orbit of 4 launchedLatest: SERT3 | Mar 30, 2026Latest launch | [8] [9] |
| Satellites | Satellites built | 11 payloads launched, 10 in orbitLatest: Firesat-2 | Jul 7, 2026Latest launch | [8] |
Relationships in the record
| Kind | Party | Basis | Date | Source |
|---|---|---|---|---|
| Customers | Earth Fire Alliance | Owns 3 satellites it built (latest Firesat-2) | Jul 7, 2026 | [8] |
| Customers | Sierra Nevada Corp. | Owns 3 satellites it built (latest Vindler 2.0.2) | Mar 30, 2026 | [8] |
| Customers | Hydrosat | Owns one satellite it built (latest VanZyl-2) | Jun 23, 2025 | [8] |
Sources
- SEC EDGAR Form D: https://www.sec.gov/Archives/edgar/data/1932309/000193230922000001/0001932309-22-000001-index.htm
- SEC EDGAR company filings: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001932309&type=&dateb=&owner=include&count=40
- SpaceNews: https://spacenews.com/muon-space-raises-250-million-to-ramp-up-satellite-production/
- Payload: https://payloadspace.com/muon-hauls-in-44-5m-for-series-b-extension/
- SpaceNews: https://spacenews.com/satellite-startup-muon-space-raises-56-7-million/
- SiliconANGLE: https://siliconangle.com/2021/10/06/muon-space-raises-10m-build-climate-focused-satellite-constellation/
- Company jobs board (Greenhouse):
How to cite
SpaceNexus. (2026, October 20). Muon Space: Company dossier [Data set]. Retrieved October 20, 2026, from https://spacenexus.us/company-profiles/muon-space