When and where was Salspera founded?

Salspera, Inc. (developer of Saltikva) was formed as Salspera, LLC, a Minnesota limited liability company, in 2017, and converted to a Delaware corporation named Salspera, Inc. on 2021-11-28 (S-1/A No. 3 ↗). The filing gives the formation date as June 26, 2017 in one section and July 2017 in others. The company's principal executive office is in Cambridge, Massachusetts, and its laboratory work is based in Oakdale, Minnesota.