CyberStep Holdings has done something rare in Japanese dealmaking: it undid an acquisition it had already closed. The Tokyo Stock Exchange-listed company told the exchange on July 14 that it has mutually cancelled the share transfer agreement covering 3rd Co., Ltd., the AI-focused business it took full control of in January.
Under the cancellation, CyberStep hands back every share of 3rd Co. it holds, cutting its voting stake from 100% to zero. In exchange, the seller, Atsushi Igarashi, the target's former representative, returns the full acquisition price of ¥1.25bn. CyberStep says the reversal requires no additional cash outlay on its part.
The timeline was short. CyberStep signed the original share transfer contract on October 20, 2025, completed the acquisition on January 14, 2026, and reversed the whole deal by July 14, 2026, less than nine months after signing.
The company's stated reason is narrow but pointed: the rapid spread of AI technology has forced it to rethink the assumptions behind the original business plan for 3rd Co.'s AI-related operations. CyberStep has not detailed what specifically broke down and says a fuller account of how the cancellation came about will follow in a later disclosure.
3rd Co. now drops out of CyberStep's consolidated accounts. CyberStep says the effect on its consolidated results is still being assessed and that it will disclose further if the review turns up anything material. Getting the entire purchase price back protects CyberStep's balance sheet from a writedown, but it leaves an open question: what changed enough in six months to turn a full AI-subsidiary buyout into a full refund.