Most expensive homes sold in metro Phoenix this past week

• An executive of a natural-gas company in Salt Lake City%2C a co-founder of an energy-bar company and the CEO of Amkor Technology are among the buyers and sellers of this week%27s priciest home sales.

$5,770,000

Keith and Nancy Rattie paid cash for a 7,410-square-foot house with pool built in 2007 on the east side of the Silverleaf Club in Scottsdale. Keith Rattie retired as president and CEO of Questar Corp., a natural-gas producer and provider headquartered in Salt Lake City, in June 2010. He will retire from the board of directors in May. The house was sold by Robert Smith Jr. and Vicki Hollander through their trust.

$2,500,000

John Thomson bought a 5,423-square-foot house with pool built in 1996 on the west side of the Estancia Club in Scottsdale. John Thomson is a principal of Stadium Properties LLC, a real-estate company that develops and operates income-producing real-estate assets in Arizona, California and Nevada. The home was sold by Thomas and Deborah Davidson through their trust. Thomas Davidson co-founded Balance Bar, one of the largest makers of energy bars, in 1992. The company was bought by Kraft Foods in 2000 for $268 million.

$2,150,000

Stephen and Pauline Kelley paid cash for a 5,764-square-foot house with pool built in 2008 at Scottsdale Mountain in Scottsdale. Stephen Kelley was appointed president and CEO of Amkor Technology Inc. in Chandler in May. The house was sold by Mitchell and Haydee Wilensky. Mitchell Wilensky is an attorney in New York practicing estate, inheritance and probate law.

$2,050,000

Gene Hill, through his trust, paid cash for a 4,544-square-foot house with pool built in 1996 in the Reserve at the Boulders in Scottsdale. Hill is CEO of Grayhill Inc., which manufactures electromechanical components in La Grange, Ill. The house was sold by James and Florence Tuthill through their trust. In 1956, James "Jay" Tuthill became president of Tuthill Corp., a manufacturer of industrial goods in Burr Ridge, Ill. He took the reins as CEO in 1992.

$2,000,000

Shahab S. Baghai of Toronto, as principal of 05011514 Nevada Corp., paid cash for a 7,905-square-foot house with pool built in 2004 alongside the Desert Mountain Golf Club Renegade Course in Scottsdale. The house was sold by Ira Edelson through his trusts. Edelson is president of Transcap Trade Financial in Northbrook, Ill., a wholly owned subsidiary of Transcap Associates Inc., which he co-founded in 1991.

Researched by John McLean and the Information Market.