Aardex LLC, a Denver based developer, designer, and builder, sold the 185,920-square-foot, Class A office building at 14143 Denver West Parkway in Denver to IVG Institutional Funds GmbH, a subsidiary of German-based institutional investor, IVG Immobilien AG. The sales price was $46 million, or about $247.50 per square foot. The rate of capitalization was 6.14%.