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Bank of America Corporation and its subsidiary Merrill Lynch, Pierce, Fenner & Smith Incorporated jointly report indirect trades in NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND common stock on 2026-07-24, purchasing 9 shares at $10.235 and selling 9 shares at $10.175. The positions are held indirectly through Merrill Lynch, with both reporting persons disclaiming beneficial ownership except for any pecuniary interest and not conceding greater-than-10% beneficial-owner status or group status. They state that any profit potentially recoverable as short-swing profit under Section 16(b), if they were deemed greater-than-10% owners, will be remitted to the issuer.
Nuveen’s municipal closed-end funds, including Nuveen Municipal High Income Opportunity Fund, are calling 2026 virtual annual shareholder meetings to elect independent board members. The meetings will be held online on August 13, 2026 at 2:00 p.m. Central time for all listed funds.
Shareholders of record on June 22, 2026 can vote by mail, phone, internet, or during the webcast. Common shareholders will elect four board members per fund, while certain preferred shareholders separately elect two members. All nominees are independent, and the funds use a staggered board with Classes I, II and III.
The statement explains quorum rules, broker voting under NYSE Rule 452, and how “broker non-votes” and abstentions are treated. It also details the unitary board structure across 210 Nuveen portfolios, committee responsibilities, and increased board retainers and committee fees effective in 2025–2026.
Nuveen Municipal High Income Opportunity Fund trustee Albin F. Moschner reported open-market sales of its Common Stock. On June 22, 2026, he sold 1,100 shares at $10.354 per share through a family LLC, leaving 736 indirectly held shares, and sold 1,812 shares at $10.37 per share directly, leaving 3,788 directly held shares.
NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND reported an insider restructuring involving its preferred shares. In connection with the reorganization of two Nuveen municipal funds into this fund, Wells Fargo Municipal Capital Strategies, LLC exchanged 4,504 Variable Rate Demand Preferred Shares of the target funds for an equal number of the fund’s Variable Rate Demand Preferred Shares in a cashless transaction.
The filing shows these 4,504 preferred shares as indirectly beneficially owned by Capital Strategies, which is a wholly owned subsidiary of Wells Fargo & Company, giving Wells Fargo an indirect interest in the same number of preferred shares.
Wells Fargo & Company and its affiliate Wells Fargo Municipal Capital Strategies, LLC amended their Schedule 13D for Nuveen Municipal High Income Opportunity Fund preferred shares. They report beneficial ownership of 6,204 preferred shares, representing 76.84% of the class, with shared voting and dispositive power.
The amendment reflects an April 27, 2026 reorganization in which Capital Strategies exchanged VRDP shares of two Nuveen funds (NXJ and NQP) for 4,504 Series 1 VRDP Shares of the issuer and also holds 1,700 Series 2031 AMTP Shares. The filing describes voting trust arrangements that govern certain voting and consent rights on these preferred shares.
Bank of America Corporation and Banc of America Preferred Funding Corp filed Amendment No. 9 to update their Schedule 13D for Nuveen Municipal High Income Opportunity Fund’s Adjustable Rate MuniFund Term Preferred Shares. They report beneficial ownership of 1,870 preferred shares, representing 23.2% of this preferred class, after the issuer’s reorganization and the April 27, 2026 issuance of new Series 1 Variable Rate Demand Preferred Shares.
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 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.
NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND reported an initial insider ownership filing for executive Joseph Castro. He serves as EVP, Chief Risk & Compliance. This Form 3 does not list any share transactions, functioning as a baseline disclosure of his reporting status with the fund.