Protek OOO acquired an additional 0.19% stake in Public Joint-Stock Company PROTEK (MISX:PRTK) on November 24, 2017. As a result of this transaction, Protek OOO owns 59% stake in PROTEK. Protek OOO completed the acquisition of an additional 0.19% stake in Public Joint-Stock Company PROTEK (MISX:PRTK) on November 24, 2017.