Mayr-Melnhof Karton AG (MNHFF: Pink Current) | Piggyback Qualified Sat, Aug 22, 2020 12:00 - Mayr-Melnhof Karton AG ( MNHFF : Pink Current) - Piggyback Qualified - Effective Sat, Aug 22, 2020, MNHFF 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 .