Local company BuildASign announced Sept. 25 its sale to Dutch investment company Cimpress for $280 million. BuildASign, the world’s largest online sign retailer, is headquartered at 11525A Stonehollow Drive, Ste. 100, Austin. The company’s cofounder, Dan Graham, and his wife, Lisa Graham, now run East Austin-based Notley Ventures, which invests in businesses, nonprofits and programs geared toward social innovation. 512-374-9850. www.buildasign.com