Crypto Vinko said that they are 99% sure that the wallet belongs to Michael Sayer,

the executive chairman of Microstrategy and a well-known bitcoin maximalist.

Typically, transfers to bitcoin exchanges represent a decision to sell holdings.

 On the other hand, Blockchain Explorer data shows that Whale Wallet transacted 851 times, received 241,914 BTC and spent all. 

 According to data from OKLink, a bitcoin whale address created in 2013,

 which has been dormant since May 2021, recently transferred 5,000 BTC to the Kraken exchange. 

 Meanwhile, Cryptoquant data has revealed that long-term holders are moving their BTC to derivatives exchanges