SeekMe

Today I noticed that, if a pokemon (origin HG) is traded from HearthGold to Diamond the Pokemon data changes slightly. To be exact: At (decimal) 00000224 11 or (hexa-decimal) 000000E0 0B from 00 to 0B. So what is the reason for that? PkHeX do not apply this change when transferring per drag and drop? (it will remain 00) after transferring to Diamond: before transferring: