It said the charges against Damian Frank Clarke relate to trading in shares and spread bets between 30 October 2003 and 28 November 2012.
The 38-year-old has been bailed to attend City of Westminster Magistrates Court on 4 July.
He was first arrested in January 2013.
A statement from Schroders said: “We do not tolerate any behaviour that is counter to our core value of integrity. This individual was dismissed summarily in February 2013 for gross misconduct.
“Schroders has not been subject to any investigation. There is no indication of any detrimental impact on our clients or financial results.
“We are not able to disclose any further details given the on-going prosecution of Mr Clarke.”
Insider dealing is the illegal practice of trading on the stock exchange to one's own advantage through having access to confidential information."
