KABN SYS NA HLDGS CORP. (TRWRD: Grey Market) | Symbol Change Thu, Jul 09, 2020 12:00 - KABN SYS NA HLDGS CORP. ( TRWRD : Grey Market) - Symbol Change - The symbol, TRWRD, is no longer a valid symbol for KABN SYS NA HLDGS CORP.. As of Thu, Jul 09, 2020, the new trading symbol is TRWRF. You may find a complete list of symbol changes at otcmarkets.com .