IBM has entered into a definitive agreement with Vista Equity Partners to purchase Apptio for $4.6 billion.

Additionally, Apptio will use Red Hat OpenShift in its portfolio of products, which runs on IBM Cloud.

Bellevue, Washington-based business management software company Apptio has signed a definitive agreement to acquire Cloudability.

Apptio has entered into a definitive agreement to be acquired by an affiliate of investment firm Vista Equity Partners. Under the terms of the agreement, Vista will acquire all outstanding shares of Apptio common stock for a total value of approximately $1.94 billion. 

Apptio has appointed Kathleen Philips, chief financial officer of Zillow, to its board. Ms. Philips joined Zillow in 2010 as general counsel, and served as the company's chief operating...