SenesTech Inc., a Flagstaff, Ariz.-based maker of pest control products, said it expects to raise $6.1 million from a rights offering that expired Aug. 8.

Eligible shareholders had the chance to buy a unit of the company for $1.15 each. Each unit was made up of a common share and a warrant that can be exchanged for an additional stock of the company for $1.15 each.

Maxim Group LLC is acting as dealer-manager in the offering, which will close Aug. 14.