April 29 (Reuters) - Russian consumer electronics retailer M.Video-Eldorado said on Friday Said Gutseriev, the company's major beneficiary owner and board member, has agreed to partly or fully sell his stake to a group of unnamed Russian businessmen.

Gutseriev has ultimate control over a 50% stake in M.Video held by Ericaria Holdings Limited and a 10.4% stake owned by Weridge Investments Limited, the company's website states.

The company did not disclose the financial terms of the potential transaction.

M.Video last week reported a jump in first-quarter transaction volumes and online sales but warned of challenges ahead, as Russian companies adapt to Moscow's growing isolation due to sanctions over Ukraine.

Rouble volatility and supply chain disruptions have hit the Russian market since President Vladimir Putin sent troops into Ukraine on Feb. 24 in what Moscow says is a "special operation" to degrade its military capabilities and root out what it calls dangerous nationalists.

The West has imposed sweeping sanctions on Russia in an effort to force it to withdraw its forces and many foreign companies have ceased or suspended their Russian operations.

"Gutseriev informed the group that he had reached an agreement to partly or fully dispose of his stake in PJSC M.Video (owned directly and indirectly) to a group of Russian businessmen," M.Video said in a statement.

"Gutseriev noted that he plans to remain on the board of directors of the group for as long as new investors need to support the continuity of the current corporate governance practices," M.Video said.

The potential changes to M.Video's shareholder structure are expected to be closed by the end of 2022 and are subject to finalising documentation, as well as regulatory and corporate approvals.

Earlier on Friday, M.Video said it was appointing Aleksei Sukhov as chief executive from April 26, replacing Enrique Fernandez only three months after he had taken the helm. (Reporting by Reuters; Editing by Jan Harvey and Jane Merriman)