Khaled Atua bought a one-bath home at 473 Bay Tree Circle in Vernon Hills from Edward J. Muszynski for $392,262 on July 10.

Muszynski paid $392,262 for the property in May 2003. The 1,913-square-foot house was built in 2003 in the Vernon Hills North neighborhood.

Atua is a senior reliability manager at Baxter Healthcare Inc., a pharmaceuticals and biotechnology company.

He also was a senior reliability manager at Fenwal Blood Technologies.

He received his Ph.D. in reliability engineering from the University of Maryland College Park.

There were 271 home sales in Vernon Hills in 2008, with a median sales price of $299,000.

Address: 473 Bay Tree Circle
Buyer(s): Atua Khaled
Seller(s): Edward J Muszynski
Sale date: Jul. 10, 2009