The IOC said it had opened a disciplinary investigation into the actions of Ara Abrahamian, who lost to gold medalist Andrea Minguzzi of Italy in the semifinals of the men's 84-kilogram Greco-Roman event.
During the medal ceremony, Abrahamian took the bronze from around his neck and, in disgust, dropped it on the mat as he walked away.
"The disciplinary commission is looking into this," IOC spokeswoman Emmanuelle Moreau said. "They are in touch with the international federation to get all the facts."
Moreau said it was unclear what type of punishment Abrahamian could face.
Abrahamian had to be restrained from going after the matside officials following his loss to Minguzzi and, storming away from the mixed zone where interviews are conducted, slammed a door to the dressing rooms so hard it shook an entire wall. He weighed whether to skip the bronze medal match, only to have friends talk him into competing.
"I wanted to take gold, so I consider this Olympics a failure," he said.