Manila Water. Esmeralda Ragpa Quines is group director for East Zone Business Operations of Manila Water Co. (MWC). Before selling 50,000 MWC common shares at P19 each on Nov. 20, 2019, she owned 757,590 MWC common shares, or 0.04 percent. The sale reduced her ownership to 707,590 MWC common shares, or 0.03 percent, which she held by availing herself of the company’s stock ownership plan.