US government contractor Science Applications International (SAIC) has reported a break-in at its headquarters during which laptops containing personal information about its stockholders were stolen.

The break-in took place on 25 January at SAIC administrative building in San Deigo. The company’s outsourcing business was not affected. SAIC provides IT help and systems integration to commercial and government customers.

The computers stolen contain personal information about current and former stockholders, including their names, Social Security numbers, addresses, telephone numbers and records of shares bought and sold. The company is owned by employees, which include former high-level government executives from agencies including the US Department of Defense and the Armed Forces.

Officials say they have no conclusive information whether the attack was targeted and wouldn’t comment on whether the crime was an inside job.

SAIC reported the incident to San Diego police, which is attempting to recover the stolen computers. Other items were stolen during the break-in, though the company has refused to say what.

The company has notified current and former stockholders of the break-in. It has also established a toll-free number where a pre-recorded message offers stockholders information about identity theft, as well as a help desk that stockholders can call for further assistance.

Under a recent California state law, companies who experience a breach in their computer systems that could result in identity theft must notify the potential victims.