Tecogen, which sells and services commercial natural gas-powered cogeneration systems, priced a best-efforts offering of up to 2.0 million shares at $4.75, the low end of the $4.75-$5.75 range. The offering is expected to close on Monday, May 19. Tecogen plans to list on the NASDAQ under the symbol TGEN. Scarsdale Equities acted as lead manager on the deal.
