You can search the old acceptance threads for PLME acceptances. Here are the general ED and RD threads from last year:
http://talk.collegeconfidential.com/brown-university/1713666-brown-class-of-2019-ed-results-thread-p1.html
http://talk.collegeconfidential.com/brown-university/1752948-brown-university-rd-class-of-2019-results-p1.html