White Rock Minerals Limited (WRMCF: OTCQX International) | Piggyback Qualified Fri, Oct 23, 2020 12:00 - White Rock Minerals Limited ( WRMCF : OTCQX International) - Piggyback Qualified - Effective Fri, Oct 23, 2020, WRMCF is designated with the status of piggyback qualified. Piggyback qualification allows market participants, in addition to the original 211 form filer, to quote the respective security. You may find a complete list of piggyback qualifications at otcmarkets.com .