HemaCare Corp. (HEMA: Pink Limited) | Tier Change Wed, Mar 27, 2019 12:00 - HemaCare Corp. ( HEMA : Pink Limited) - Tier Change - The symbol, HEMA, no longer is classified as Pink No Information. As of Wed, Mar 27, 2019, HEMA resides in the Pink Limited tier. You may find a complete list of tier changes at otcmarkets.com .