Gain/Loss report

Hello. Probably some of you can help maybe. I move my ethereum’s from Coinbase to MetaMask I sold two last year . And my average buy is around 1300 to 1500 .and when i send them back from Metamask to coinbase and sell them now it showing that my gains are $5355and showing on my gain/Loss report data source non and it showing short term 5355. I did not get them for free lol. My gain is $2000 only .should i tell that to my accountant or ? Thx