Welcome to our dedicated page for Nuveen Municipal High Income Opportunity Fund SEC filings (Ticker: NMZ), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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Nuveen Municipal High Income Opportunity Fund amends its Prospectus Supplement effective April 24, 2026 to name Virtu Americas LLC as Nuveen Securities’ sub-placement agent for at-the-market sales of Common Shares and to specify the variable commission mechanics. The supplement defines 75% and 25% splits of the premium to net asset value and ties each split to compensation caps of 0.80% and 0.20% of aggregate gross sales proceeds, respectively. Settlements of sales will occur on the first business day following each sale.
Nuveen Municipal High Income Opportunity Fund distributes a proxy solicitation for the Nuveen New Jersey Quality Municipal Income Fund and urges shareholders to vote for the meeting scheduled March 19, 2026. The Board is recommending a FOR vote on all proposals and provides a toll-free telephone number and reference for voting through Computershare.
Nuveen Municipal High Income Opportunity Fund distributes a proxy solicitation for the Nuveen New Jersey Quality Municipal Income Fund and urges shareholders to vote for the meeting scheduled March 19, 2026. The Board is recommending a FOR vote on all proposals and provides a toll-free telephone number and reference for voting through Computershare.
Nuveen Municipal High Income Opportunity Fund vice president William A. Siffermann reported an open-market purchase of common shares. On March 5, 2026, he bought 100 shares at an average price of $10.4785 per share. Following this transaction, his directly owned stake increased to 913.9717 shares of the fund’s common stock.