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NMZ        0001266585    
Filing Date Form Type Description Document
2013-02-28 497J NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2013-02-27 CORRESP View Document
2013-02-27 CORRESP View Document
2013-02-27 CORRESP View Document
2013-02-27 POS 8C NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2013-02-04 N-14 8C NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2013-02-04 SC 13G/A AMENDED SCHEDULE 13G View Document
2013-01-18 POS 8C NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2013-01-07 N-CSR NMZ View Document
2013-01-02 497 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2012-12-31 NSAR-B View Document
2012-12-28 SC 13D NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND 13D View Document
2012-12-28 3 FORM 3 View Document
2012-12-18 425 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND 2 View Document
2012-12-18 425 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2012-12-14 425 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND 2 View Document
2012-12-14 425 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2012-12-11 CORRESP View Document
2012-11-09 SC 13G SCHEDULE 13G View Document
2012-09-28 N-Q NMZ_NQ View Document
2012-08-29 N-PX NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2012-08-16 40-17G 40-17G View Document
2012-07-09 N-CSRS NMZ View Document
2012-07-02 DEF 14A DEF 14A View Document
2012-06-29 NSAR-A View Document
2012-06-04 POS EX NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2012-05-29 497J NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2012-05-25 EFFECT View Document
2012-05-25 CORRESP View Document
2012-05-24 CORRESP View Document
2012-05-24 POS 8C NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2012-04-11 CORRESP View Document
2012-04-11 POS 8C NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2012-03-30 N-Q NMZ_NQ View Document
2012-02-28 POS 8C NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2012-02-10 CORRESP View Document
2012-02-10 POS 8C NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2012-01-06 N-CSR NMZ View Document
2011-12-30 NSAR-B View Document
2011-12-19 40-17G 40-17G View Document
2011-09-29 N-Q NMZ_NQ View Document
2011-08-26 N-PX NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2011-08-25 3 View Document
2011-08-10 POS 8C NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2011-07-29 DEFA14A DEFA14A View Document
2011-07-11 4 PRIMARY DOCUMENT View Document
2011-07-11 SC 13G/A NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND SC 13G/A 6-30-2011 View Document
2011-07-08 N-CSRS NMZ View Document
2011-06-29 NSAR-A View Document
2011-06-27 SC 13G/A NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND-SCH13G-A#7 View Document
2011-06-22 DEF 14A DEF 14A View Document
2011-06-21 4 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FD View Document
2011-06-21 4 PRIMARY DOCUMENT View Document
2011-06-03 PRE 14A PRE 14A View Document
2011-06-03 40-17G/A 40-17G/A View Document
2011-05-26 N-23C-2 RULE 23C-2 NOTICE OF INTENTION TO REDEEM SECURITIES View Document
2011-04-01 N-Q NMZ_NQ View Document
2011-03-25 497 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2011-03-21 486BPOS NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2011-03-04 40-17G/A 40-17G/A View Document
2011-02-14 SC 13G/A SCHEDULE 13G AMENDMENT NO. 6 View Document
2011-01-12 3 View Document
2011-01-12 3 View Document
2011-01-11 3 View Document
2011-01-11 3 View Document
2011-01-11 3 View Document
2011-01-07 N-CSR NMZ View Document
2011-01-07 SC 13G View Document
2010-12-30 NSAR-B View Document
2010-12-16 40-17G/A 40-17G/A View Document
2010-11-09 NO ACT AUTO-GENERATED PAPER DOCUMENT View Document
2010-11-04 40-17G/A 40-17G/A View Document
2010-09-29 N-Q NMZ_NQ View Document
2010-08-26 N-PX NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2010-08-06 SC 13G/A NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND 13GA5 View Document
2010-08-05 3 View Document
2010-08-05 SC 13D FILING View Document
2010-07-08 N-CSRS NMZ View Document
2010-06-30 NSAR-A View Document
2010-06-18 DEF 14A DEF 14A View Document
2010-06-10 SC 13G/A NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND 13GA4 View Document
2010-06-04 40-17G/A 40-17G/A View Document
2010-05-25 PRE 14A PRE 14A View Document
2010-05-06 40-17G/A 40-17G/A View Document
2010-04-22 CORRESP View Document
2010-04-01 N-Q NMZ_NQ View Document
2010-03-12 SC 13G/A SCHEDULE 13G AMENDMENT View Document
2010-03-09 40-17G/A 40-17G/A View Document
2010-02-03 SC 13G/A View Document
2010-02-01 497 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2010-01-29 EFFECT View Document
2010-01-25 N-2/A NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2010-01-20 SC 13G/A SCHEDULE 13G AMENDMENT View Document
2010-01-14 N-2/A NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2010-01-11 CORRESP View Document
2010-01-11 N-2/A NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2010-01-06 N-CSR NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND View Document
2009-12-30 NSAR-B View Document
2009-12-22 40-17G/A 40-17G/A View Document
2009-12-09 40-17G/A FORM 40-17G/A View Document

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