Form 4: Bank of America Adjusts Nuveen Muni Fund Holdings

Bank of America Corporation and its subsidiary Banc of America Preferred Funding Corp reported a change in beneficial ownership of Nuveen Municipal High Income Opportunity Fund shares through a tender option bond trust.

Summary

• Bank of America Corporation and its subsidiary, Banc of America Preferred Funding Corporation (BAPFC), filed a Form 4 regarding their beneficial ownership in Nuveen Municipal High Income Opportunity Fund (NMZ).
• On December 11, 2025, BAPFC deposited 1,000 shares of 2032 Adjustable Rate MuniFund Term Preferred Shares (AMTP Shares) of NMZ into a Tender Option Bond Trust (TOB Trust).
• While these 1,000 shares were reported as 'disposed of' by BAPFC in Table I, BAPFC retains indirect beneficial ownership of these shares through its beneficiary rights in the TOB Trust.
• The TOB Trust holds legal title to the AMTP Shares but does not independently have the power to dispose or direct the disposition of the shares.
• Following this transaction, Bank of America Corporation holds an indirect interest in a total of 1,870 AMTP shares of NMZ, by virtue of its indirect ownership of BAPFC.

Sentiment

Score: 5

Explanation: Neutral. This is a routine regulatory filing detailing a change in beneficial ownership due to a financial structuring transaction (deposit into a TOB Trust). It does not reflect positively or negatively on the operational performance or financial health of the issuer or the reporting persons, but rather a technical reporting requirement.

Risks

• Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) of the US Securities Exchange Act of 1934 or any other purpose, (i) acting (or has agreed or is agreeing to act together with any other person) as a partnership, limited partnership, syndicate, or other group for the purpose of acquiring, holding or disposing of securities of the Issuer or otherwise with respect to the Issuer or any securities of the Issuer or (ii) a member of any group with respect to the Issuer or any securities of the Issuer.

Future Outlook

The filing does not contain any forward-looking statements or guidance regarding the financial performance or strategic direction of Nuveen Municipal High Income Opportunity Fund or Bank of America Corporation.

Management Comments

• Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) of the US Securities Exchange Act of 1934 or any other purpose, (i) acting (or has agreed or is agreeing to act together with any other person) as a partnership, limited partnership, syndicate, or other group for the purpose of acquiring, holding or disposing of securities of the Issuer or otherwise with respect to the Issuer or any securities of the Issuer or (ii) a member of any group with respect to the Issuer or any securities of the Issuer.

Industry Context

Tender Option Bond (TOB) trusts are a common financial structuring mechanism in the municipal bond market, frequently used by large financial institutions to create short-term, variable-rate securities from long-term, fixed-rate municipal bonds. This practice allows for enhanced liquidity management and caters to diverse investor preferences within the municipal finance sector.

Comparison to Industry Standards

• Tender Option Bond (TOB) trusts are a well-established and common financial engineering technique within the municipal bond market, widely utilized by financial institutions like Bank of America to manage liquidity, optimize capital, and create variable-rate investment products from fixed-rate municipal securities. This transaction aligns with standard industry practices for managing large portfolios of municipal assets.

Related Party Transactions

• A Joint Filing Agreement was executed between Bank of America Corporation and its subsidiary, Banc of America Preferred Funding Corp, for SEC reporting purposes.
• Bank of America Corporation holds an indirect interest in 1,870 AMTP shares through its indirect ownership of its subsidiary, Banc of America Preferred Funding Corp.

Stakeholder Impact

• Shareholders of Nuveen Municipal High Income Opportunity Fund (NMZ) may observe a technical change in the beneficial ownership structure of a portion of the fund's preferred shares, but no direct operational or financial impact on the fund is indicated.
• Shareholders of Bank of America Corporation are informed of a routine internal restructuring of beneficial ownership for compliance and financial management purposes, with no material impact on the company's overall financial position or strategy.

Key Dates

Keywords

Bank of America, Nuveen Municipal High Income Opportunity Fund, NMZ, Form 4, Beneficial Ownership, Adjustable Rate MuniFund Term Preferred Shares, AMTP, Tender Option Bond Trust, TOB Trust, SEC Filing