Vladimir Monomakh, the third submarine of the Project 955 class, is said to have left its temporary base in Severomorsk to begin transfer to the Pacific. It is expected to reach its permanent base in Vilyuchinsk in September. There, Vladimir Monomakh will join another Project 955 submarine, Alexander Nevskiy, which completed the transfer in September 2015. (Check Hans Kristensen's excellent post on the upgrades done at Vilyuchinsk.)
Vladimir Monomakh was expected to conduct a salvo launch of Bulava missiles in June 2016, but it has left without launching the missiles. It is possible that it will launch the missiles from the Pacific, but maybe it won't - at the time Alexander Nevskiy arrived in the Pacific it was reported that it will conduct a launch from there, but it didn't.