An unknown buyer acquired 5.9% stake in Spaseniye Insurance Medical Company OOO from PJSC Nizhnekamskneftekhim (MISX:NKNC) on May 15, 2018. An unknown buyer completed the acquisition of 5.9% stake in Spaseniye Insurance Medical Company OOO from PJSC Nizhnekamskneftekhim (MISX:NKNC) on May 15, 2018.