Gruma S.A.B. de CV (GMKKY: Grey Market) | Scheduled Ex-Dividend Fri, Jun 19, 2020 03:00 - Gruma S.A.B. de CV ( GMKKY : Grey Market) - Scheduled Ex-Dividend - Gruma S.A.B. de CV has announced a dividend ex-date for (GMKKY: Grey Market). Gruma S.A.B. de CV is scheduled to disburse a Cash Dividend dividend of $0.05495 on Wed, Jul 08, 2020 to shareholders of GMKKY. You may find a complete list of dividends at otcmarkets.com .