Magma Open Joint Stock Company (MGMOL: Grey Market) | Ex-Dividend Fri, Jun 07, 2019 08:00 - Magma Open Joint Stock Company ( MGMOL : Grey Market) - Ex-Dividend - As of Mon, Jun 10, 2019, Magma Open Joint Stock Company traded ex-dividend. Magma Open Joint Stock Company will disburse a Cash Dividend dividend of $0.21932 to shareholders of MGMOL. You may find a complete list of dividends at otcmarkets.com .