A Summerville company’s finance manager embezzled more than $600,000 over a six-year period, a federal grand jury charged in an indictment this week.

According to the indictment, Kay Infinger Day, 48, of Summerville siphoned off the money when she worked for Lauscha Fiber International between 2005 and 2011.

The indictment claims that Day fabricated company expenses and reimbursements, then wired payments for the fake expenses from the company bank account to her own S.C. Federal Credit Union account as direct deposits.

The grand jury indicted her on five counts of wire fraud based on more than $37,300 in funds she allegedly transferred electronically between April 23, 2010, and Dec. 29, 2011.

The indictment is demanding repayment of $625,175 plus interest.

The papers were filed Tuesday in U.S. District Court in Charleston.