Yes. Among these nine 2010 AMC 10/12 perfect scorers,

Among these nine 2010 AMC 10/12 perfect scorers, one got 2 /15, and another one obtained 4/15 in AIME. http://amc.maa.org/aime/2010/stats/10-compAIME-AMC_Matrix.pdf

In the previous years, some AMC 10/12 perfect scorers even got 0/15 in AIME.