An unknown buyer acquired an unknown stake in CJSC NPO Polimetall from Chelyabinsk Metallurgical Plant PAO (MISX:CHMK) on September 12, 2019. An unknown buyer completed the acquisition of an unknown stake in CJSC NPO Polimetall from Chelyabinsk Metallurgical Plant PAO (MISX:CHMK) on September 12, 2019.