HAMPTON CHERYL L

CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND: Initial statement of beneficial ownership of securities

CALAMOS CONVERTIBLE & HIGH INCOME FUND: Initial statement of beneficial ownership of securities

CALAMOS STRATEGIC TOTAL RETURN FUND: Initial statement of beneficial ownership of securities

CALAMOS GLOBAL TOTAL RETURN FUND: Initial statement of beneficial ownership of securities

Calamos Global Dynamic Income Fund: Initial statement of beneficial ownership of securities