<SEC-DOCUMENT>0001387131-19-001869-index.html : 20190312 <SEC-HEADER>0001387131-19-001869.hdr.sgml : 20190312 <ACCEPTANCE-DATETIME>20190312164809 ACCESSION NUMBER: 0001387131-19-001869 CONFORMED SUBMISSION TYPE: DEF 14A PUBLIC DOCUMENT COUNT: 4 CONFORMED PERIOD OF REPORT: 20190423 FILED AS OF DATE: 20190312 DATE AS OF CHANGE: 20190312 EFFECTIVENESS DATE: 20190312 FILER: 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 FILING VALUES: FORM TYPE: DEF 14A SEC ACT: 1934 Act SEC FILE NUMBER: 811-06495 FILM NUMBER: 19675635 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 </SEC-HEADER> <DOCUMENT> <TYPE>DEF 14A <SEQUENCE>1 <FILENAME>pfo-def14a_042319.htm <DESCRIPTION>DEFINITIVE PROXY MATERIALS <TEXT> Document 1 - file: pfo-def14a_042319.htm
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