Mark N. Amiri sold a three-bedroom, 3.5-bath home at 512 Lexington Landing Court in St. Charles to Jacob Martensen for $380,000 on Dec. 31.

Amiri bought the property for $400,550 in July 2004. The 2,388-square-foot house, which was built in 2004, is in the St. Charles South of 70 neighborhood.

Amiri is a certified public accountant, vice president and treasurer at Baylor Health Care System. He was previously a treasurer at Ascension Health, a not-for-profit health system.

He received his B.B.A. in accounting and his M.B.A. from the University of Missouri.

According to BlockShopper.com, there have been 984 home sales in St. Charles during the past 12 months, with a median sales price of $145,250.

Address: 512 Lexington Landing Court
Buyer(s): Jacob Martensen
Seller(s): Mark N Amiri
Sale date: Dec. 31, 2009