cum rightsglossary / CUM RIGHTS cum rights. With rights. • A cum rights purchaser of stock is entitled to rights that have been declared but not distributed, such as the right to purchase additional shares at a stated price. — Also termed rights on. 词条贡献者 译者晓琳,法学硕士(国际争议解决方向),擅长翻译各种与复杂跨境争议相关的法律文件。