Mark Karpelès signed MtGox Co., Ltd.'s application for civil rehabilitation at the Tokyo District Court on 28 February 2014 as the company's representative director, giving the company's address in Shibuya, Tokyo. That filing is the primary record of the collapse: it set out assets of JPY 3,841,866,163 against current liabilities of JPY 6,501,119,371 and reported that roughly 850,000 bitcoin had disappeared, most of it customer deposits.
He was arrested in Tokyo in 2015 and charged. On 15 March 2019 the Tokyo District Court found him guilty of falsifying the company's electronic records to inflate its recorded holdings, and sentenced him to two and a half years in prison, suspended for four years. The same court acquitted him of embezzlement and aggravated breach of trust, the charges on which prosecutors had asked for a ten-year sentence. He said afterwards that he was "happy to be judged not guilty for embezzlement and breach of trust" and would discuss the remaining conviction with his lawyers.