<SEC-DOCUMENT>0001252907-16-000002-index.html : 20160219 <SEC-HEADER>0001252907-16-000002.hdr.sgml : 20160219 <ACCEPTANCE-DATETIME>20160219135906 ACCESSION NUMBER: 0001252907-16-000002 CONFORMED SUBMISSION TYPE: 5 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20151130 FILED AS OF DATE: 20160219 DATE AS OF CHANGE: 20160219 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Flaherty & Crumrine PREFERRED INCOME OPPORTUNITY FUND INC CENTRAL INDEX KEY: 0000882071 IRS NUMBER: 954355600 STATE OF INCORPORATION: MD FISCAL YEAR END: 1130 BUSINESS ADDRESS: STREET 1: 301 E COLORADO BLVD STE 720 STREET 2: C/O FLAHERTY & CRUMRINE INC CITY: PASADENA STATE: CA ZIP: 91101 BUSINESS PHONE: (626) 795-7300 MAIL ADDRESS: STREET 1: 301 COLORADO BLVD STE 720 STREET 2: C/O FLAHERTY & CRUMRINE INC CITY: PASADENA STATE: CA ZIP: 91101 FORMER COMPANY: FORMER CONFORMED NAME: PREFERRED INCOME OPPORTUNITY FUND INC DATE OF NAME CHANGE: 19920929 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: CRUMRINE DONALD F CENTRAL INDEX KEY: 0001252907 FILING VALUES: FORM TYPE: 5 SEC ACT: 1934 Act SEC FILE NUMBER: 811-06495 FILM NUMBER: 161441279 MAIL ADDRESS: STREET 1: 301 E COLORADO BLVD STE 720 CITY: PASADENA STATE: CA ZIP: 91101 </SEC-HEADER> <DOCUMENT> <TYPE>5 <SEQUENCE>1 <FILENAME>primary_doc.xml <DESCRIPTION>PRIMARY DOCUMENT <TEXT> Document 1 - file: primary_doc.html
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