Moderna is US based
https://enwikipedia.org/wiki/Moderna
We're you maybe thinking of BioNTech? (Makers of corminanty vaccine aka BioNTech-Pfizer vaccine against Covid)
https://en.wikipedia.org/wiki/BioNTech https://en.wikipedia.org/wiki/Pfizer%E2%80%93BioNTech_COVID-...