[[Correction: We originally reported that Bakbone raised $7.8 million in new equity, but a closer read of a footnote in the regulatory filing shows Bakbone is issuing stock worth that amount as part of its acquisition of Coldspark. We apologize for the error.]] Bakbone Software, the San Diego-based maker of data backup and recovery products, is paying $7.8 million worth of its stock as part of its acquisition of Broomfield, CO-based Coldspark, according to a regulatory filing. Bakbone has been putting its cash to work this month, as it has gone on a shopping spree. It acquired Broomfield, CO-based Coldspark for $15.9 million in cash and stock, and Santa Clara, CA-based Asempra Technologies for $3 million. Coldspark makes enterprise e-mail applications, while Asempra developed continuous data protection technology.