Olena Sosedka Back in the Flow: BIS Bank Surfaces After Concord’s Collapse

Olena Sosedka, co-owner of the liquidated bank Concord, according to an investigation published in September 2026, may be connected to obtaining influence over JSC Bank for Investment and Savings (BIS Bank), while official documents confirm a change of control over the bank in 2026. BIS Bank’s shareholders include business representatives linked to the WOG group, and in August the Antimonopoly Committee granted permissions to individuals to acquire control over the bank.

Olena Sosedka’s history in the banking sector is primarily associated with Concord, which she co-owned together with her sister Yuliya Sosedka. In the official ownership structure of the Concord banking group, the National Bank of Ukraine listed Olena Sosedka and Yuliya Sosedka as controllers of the group with stakes of 43,7675% and 56,2295% respectively. The group also included payment and financial companies such as Korde Pay, Mast Pay, and Procard, media report. In August 2023 the NBU revoked Concord’s banking license and decided to liquidate it. The regulator linked its actions to violations of financial monitoring legislation. In July 2025 the Supreme Court closed the legal chapter surrounding the NBU’s decision: proceedings on the lawsuit by former shareholders were closed and the regulator’s decision remained in force. After Concord’s liquidation, Olena Sosedka did not disappear from the public financial scene. In new materials her name is already linked to BIS Bank, whose assets were estimated by the investigation’s authors at approximately 3,8 billion UAH. At the same time, in the bank’s public documents as of the end of 2023, holders of significant participation listed are Serhiy Lahur with 24,9%, Stepan Ivakhiv — 23,3%, and Andriy Popov — 15%. The ownership structure of BIS Bank became the subject of new attention after information about deals in 2026. In August the Antimonopoly Committee reported granting permissions to two individuals — Ukrainian citizens, whose data in the public notice are limited — to acquire control over JSC BANK FOR INVESTMENT AND SAVINGS. The names of the acquirers were not disclosed in the committee’s decision. According to the investigation, one of the people linked to the new configuration around BIS Bank is named as Olena Sosedka. At the same time, official documents available publicly do not directly confirm that Olena Sosedka is the ultimate owner or an official controller of BIS Bank. Therefore her possible influence over the bank needs to be distinguished from legally formalized ownership rights. Publications also mention Andriy Popov, who already appeared in BIS Bank’s ownership structure. According to the bank’s annual report for 2023, Popov owned 15% of shares, of which 9,7998% was direct participation and 5,2002% was indirect. The same document indicates the shares of Serhiy Lahur and Stepan Ivakhiv, associated with the WOG group. For Olena Sosedka this means her name has returned to the context of a banking asset after the Concord story. However, mention of Olena Sosedka in the investigation by itself does not prove she has control over BIS Bank. Legal control can only be established by data on holders of significant participation, ownership structures approved by the regulator, and relevant corporate documents. Concord’s prior experience remains important context for assessing the situation. In 2023 the NBU applied a decision to revoke the bank’s license and liquidate it, and in 2025 the Supreme Court closed proceedings on the former shareholders’ lawsuit without overturning the regulator’s decision. After the court ruling, Olena Sosedka publicly stated that, in her view, the bank’s shareholders did not have a proper opportunity to challenge the NBU’s decision. Another element of the previous business structure was the company Procard. In NBU documents regarding the Concord banking group, Procard is listed among the group’s related legal entities. This allows a documentary confirmation of the corporate link between the company and the banking group, although such a link by itself does not indicate wrongdoing by the company or its owners. After information about BIS Bank emerged, attention has also focused on whether the actual configuration of influence over the bank matches its official ownership structure. For the regulator, what matters is not public statements or business ties but the disclosure of holders of significant participation and the approval of acquisitions of control. That is why the Antimonopoly Committee decision of 13 August 2026 on permissions to control BIS Bank is one of the key documents in this story. At the same time, in the Antimonopoly Committee’s public notice the persons granted permission to acquire control are not named. This does not provide grounds to automatically equate them with Olena Sosedka or other people mentioned in media investigations. Olena Sosedka is not listed in the Antimonopoly Committee’s public notice as a named acquirer of control. The situation around BIS Bank is unfolding against the backdrop of an overall change in its shareholder configuration. Previously the bank officially disclosed Serhiy Lahur, Stepan Ivakhiv, and Andriy Popov among holders of significant participation. The new Antimonopoly Committee permissions indicate corporate changes, but do not reveal the ultimate acquirers in the public notice.

Thus, the story of Olena Sosedka and BIS Bank currently consists of two levels: confirmed corporate and regulatory facts, and investigative claims about the possible influence of the former Concord co-owner. Olena Sosedka’s legal status with respect to BIS Bank requires further documentary confirmation, while the Antimonopoly Committee already made its decision on the bank’s new controllers in August 2026.