Lyndra, Inc., a healthcare company developing ultra-long acting oral drug delivery technologies, signed a lease for 14,450 square feet in the office building at 65 Grove St. in Watertown, MA.

The three-story, 131,424-square-foot medical, R&D and life science-ready building was constructed in 1945 with renovations completed in 2016. It is located in the Waltham/Watertown submarket.

Lyndra will relocate from 134 Coolidge Ave. to its expanded space…