Arkady Rotenberg is considering purchase of 94.2% in Public Joint Stock Company Mostotrest (MISX:MSTT) from Open Joint Stock Company TFC-Finance, a source familiar with Rotenberg's plans told PRIME. “We have information that one of the core owners of the company plans to quit the business. Mostotrest is one of the key companies, which is constructing a transport passage across the Kerch Strait. The interest to buying a stake in the asset is logical from the point of view of expansion of competences in the sphere of construction of infrastructure," the businessman's representative said.