Rivet: Rivet Software being bought by California company

Rivet Software Inc., a Denver-based business that helps public companies comply with financial reporting requirements, is being acquired by a Pleasanton, California-based company. Equity Administration Solutions Inc. signed an agreement to buy Rivet to pair its financial reporting technology with Equity Administration's stock administration and compliance software, the companies announced Tuesday. Terms of the deal were not disclosed. "This combination represents a shift in the marketplace…