Apple CEO Steve Jobs was questioned by regulators investigating backdated stock grants at the company last week, reports claim.

Jobs was questioned by investigators from the US Securities and Exchange Commission (SEC) and Department of Justice, Bloomberg News reports, citing San Francisco legal paper The Recorder.

It's not known what questions were asked and what answers provided. No statements have been provided from any involved party.

Apple's own internal investigation found no misconduct by Jobs or current members of management. However one 2002 grant to Jobs was declared as approved at a board meeting that never took place — a lawyer who falisfied the minutes for that meeting has since been dismissed from the company.