STOCK TITAN

[Form 4] NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND Insider Trading Activity

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Bank of America Corporation and its subsidiary Merrill Lynch, Pierce, Fenner & Smith Inc. jointly reported transactions in the common stock of Nuveen Municipal High Income Opportunity Fund (NMZ). On 09/17/2025 the report lists a purchase of 10,784 shares at $10.645 and a sale of 10,784 shares at $10.56, with the ownership after the reported purchase shown as 10,784 shares held indirectly. The filing states both Reporting Persons disclaim beneficial ownership except for any pecuniary interest and clarifies that any profit potentially recoverable under Section 16(b) will be remitted to the issuer.

Bank of America Corporation e la sua controllata Merrill Lynch, Pierce, Fenner & Smith Inc. hanno segnalato congiuntamente operazioni sulle azioni ordinarie del Nuveen Municipal High Income Opportunity Fund (NMZ). Il 17/09/2025 il rapporto riporta un acquisto di 10.784 azioni a 10,645 $ e una vendita di 10.784 azioni a 10,56 $, con la proprietà dopo l’acquisto riportato come 10.784 azioni detenute indirettamente. Il deposito precisa che entrambe le Parti segnalanti rinunciano a una proprietà beneficiariva, salvo eventuali interessi finanziari, e chiarisce che eventuali profitti eventualmente recuperabili ai sensi della Sezione 16(b) saranno versati all’emittente.

Bank of America Corporation y su filial Merrill Lynch, Pierce, Fenner & Smith Inc. informaron conjuntamente transacciones sobre las acciones ordinarias del Nuveen Municipal High Income Opportunity Fund (NMZ). El 17/09/2025, el informe registra una compra de 10,784 acciones a 10,645 USD y una venta de 10,784 acciones a 10,56 USD, con la propiedad tras la compra reportada mostrando 10,784 acciones mantenidas indirectamente. El archivo indica que ambas Personas Informantes renuncian a la titularidad beneficiosa excepto por cualquier interés pecuniario y aclara que cualquier ganancia recuperable bajo la Sección 16(b) será remitida al emisor.

Bank of America Corporation 과 그 자회사 Merrill Lynch, Pierce, Fenner & Smith Inc.이 Nuveen Municipal High Income Opportunity Fund (NMZ) 보통주에 대한 거래를 공동으로 보고했습니다. 2025년 9월 17일 보고서는 10,784주를 10.645달러에 매수하고 10,784주를 10.56달러에 매도한 내역을 목록에 담고 있으며, 보고된 매수 후의 소유권은 간접적으로 10,784주로 표시됩니다. 제출서는 두 보고인이 이익 소유권을 포기하며, Section 16(b)에 따라 회수 가능한 이익은 발행자에게 송금될 것임을 명시합니다.

Bank of America Corporation et sa filiale Merrill Lynch, Pierce, Fenner & Smith Inc. ont conjointement déclaré des transactions sur les actions ordinaires du Nuveen Municipal High Income Opportunity Fund (NMZ). Le 17/09/2025, le rapport indique un achat de 10 784 actions à 10,645 $ et une vente de 10 784 actions à 10,56 $, la propriété après l’achat signalé étant de 10 784 actions détenues indirectement. Le dossier précise que les deux parties déclarantes renoncent à la propriété bénéficiaire, sauf pour tout intérêt financier, et précise que tout bénéfice potentiellement récupérable en vertu de la Section 16(b) sera versé à l’émetteur.

Bank of America Corporation und ihre Tochtergesellschaft Merrill Lynch, Pierce, Fenner & Smith Inc. haben gemeinsam Transaktionen in den Stammaktien des Nuveen Municipal High Income Opportunity Fund (NMZ) gemeldet. Am 17.09.2025 führt der Bericht einen Kauf von 10.784 Aktien zu 10,645 $ und einen Verkauf von 10.784 Aktien zu 10,56 $ auf, wobei das Eigentum nach dem gemeldeten Kauf indirekt 10.784 Aktien beträgt. Die Einreichung stellt fest, dass beide meldepflichtigen Personen kein wirtschaftliches Eigentum besitzen, außer für etwaige finanzielle Interessen, und klärt, dass jeglicher nach Section 16(b) eventuell wieder einbringbarer Gewinn an den Emittenten abgeführt wird.

Bank of America Corporation وشركتها الفرعية Merrill Lynch, Pierce, Fenner & Smith Inc. قد أبلتا معاً عن معاملات في الأسهم العادية لصندوق Nuveen Municipal High Income Opportunity Fund (NMZ). في 17/09/2025 يذكر التقرير شراء 10,784 سهماً بسعر 10,645 دولار وبيع 10,784 سهماً بسعر 10.56 دولار، مع كون الملكية بعد الشراء المبلغ عنه 10,784 سهماً مملوكة بشكل غير مباشر. يشير الملف إلى أن كلا الطرفين المبلغين يتنصلان من الملكية المفيدة باستثناء أي مصلحة مالية، ويوضح أن أي ربح يمكن استرداده بموجب البند 16(b) سيتم تحويله إلى المصدر.

美国银行公司及其子公司 美林证券、皮尔斯、芬纳与史密斯公司共同披露了 Nuveen Municipal High Income Opportunity Fund(NMZ)普通股的交易。2025年9月17日的报告列出以每股 10.645 美元买入 10,784 股,并以每股 10.56 美元卖出 10,784 股,报告的购买后所有权显示为 间接持有的 10,784 股。备案中声明两名申报方均放弃受益所有权,除非存在任何金钱性利益,并澄清依据第 16(b) 条款可回收的任何利润将汇给发行人。

Positive
  • Joint disclosure by Bank of America and Merrill Lynch provides transparent reporting of insider transactions
  • Remittance commitment explicitly states any Section 16(b) profit will be remitted to the issuer, indicating compliance intent
  • Form is signed by authorized signatory for both reporting persons dated 09/19/2025
Negative
  • Footnotes referenced for the reported shares are not included in the provided content, leaving details unclear
  • The filing disclaims beneficial ownership, which makes the economic interest and control over the reported shares ambiguous

Insights

TL;DR Reporting persons disclosed matching buy and sell of 10,784 NMZ shares; indirect ownership and Section 16(b) remittance noted.

The Form 4 is a routine Section 16 disclosure filed jointly by Bank of America Corporation and Merrill Lynch, reflecting a purchase and an equal-sized sale on the same date for 10,784 shares of NMZ. The report documents indirect ownership and includes standard disclaimers that the Reporting Persons do not admit beneficial ownership. It also states any short-swing profit recoverable under Section 16(b) will be remitted to the issuer, indicating compliance intent. The transactions as reported do not include footnote details that could explain timing or purpose.

TL;DR Joint filing shows compliance-focused disclosure with indemnifying language and a remittance commitment for any recoverable profits.

The filing includes customary legal language: a disclaimer of group status and beneficial ownership and a declaration that filing should not be construed as admission under Section 13(d). Signatures by an authorized signatory for both entities are dated 09/19/2025. The inclusion of an explicit remittance statement for Section 16(b) suggests awareness of potential short-swing recovery obligations. No further explanatory footnotes were provided in the excerpt to clarify the economic or operational rationale for the paired transactions.

Bank of America Corporation e la sua controllata Merrill Lynch, Pierce, Fenner & Smith Inc. hanno segnalato congiuntamente operazioni sulle azioni ordinarie del Nuveen Municipal High Income Opportunity Fund (NMZ). Il 17/09/2025 il rapporto riporta un acquisto di 10.784 azioni a 10,645 $ e una vendita di 10.784 azioni a 10,56 $, con la proprietà dopo l’acquisto riportato come 10.784 azioni detenute indirettamente. Il deposito precisa che entrambe le Parti segnalanti rinunciano a una proprietà beneficiariva, salvo eventuali interessi finanziari, e chiarisce che eventuali profitti eventualmente recuperabili ai sensi della Sezione 16(b) saranno versati all’emittente.

Bank of America Corporation y su filial Merrill Lynch, Pierce, Fenner & Smith Inc. informaron conjuntamente transacciones sobre las acciones ordinarias del Nuveen Municipal High Income Opportunity Fund (NMZ). El 17/09/2025, el informe registra una compra de 10,784 acciones a 10,645 USD y una venta de 10,784 acciones a 10,56 USD, con la propiedad tras la compra reportada mostrando 10,784 acciones mantenidas indirectamente. El archivo indica que ambas Personas Informantes renuncian a la titularidad beneficiosa excepto por cualquier interés pecuniario y aclara que cualquier ganancia recuperable bajo la Sección 16(b) será remitida al emisor.

Bank of America Corporation 과 그 자회사 Merrill Lynch, Pierce, Fenner & Smith Inc.이 Nuveen Municipal High Income Opportunity Fund (NMZ) 보통주에 대한 거래를 공동으로 보고했습니다. 2025년 9월 17일 보고서는 10,784주를 10.645달러에 매수하고 10,784주를 10.56달러에 매도한 내역을 목록에 담고 있으며, 보고된 매수 후의 소유권은 간접적으로 10,784주로 표시됩니다. 제출서는 두 보고인이 이익 소유권을 포기하며, Section 16(b)에 따라 회수 가능한 이익은 발행자에게 송금될 것임을 명시합니다.

Bank of America Corporation et sa filiale Merrill Lynch, Pierce, Fenner & Smith Inc. ont conjointement déclaré des transactions sur les actions ordinaires du Nuveen Municipal High Income Opportunity Fund (NMZ). Le 17/09/2025, le rapport indique un achat de 10 784 actions à 10,645 $ et une vente de 10 784 actions à 10,56 $, la propriété après l’achat signalé étant de 10 784 actions détenues indirectement. Le dossier précise que les deux parties déclarantes renoncent à la propriété bénéficiaire, sauf pour tout intérêt financier, et précise que tout bénéfice potentiellement récupérable en vertu de la Section 16(b) sera versé à l’émetteur.

Bank of America Corporation und ihre Tochtergesellschaft Merrill Lynch, Pierce, Fenner & Smith Inc. haben gemeinsam Transaktionen in den Stammaktien des Nuveen Municipal High Income Opportunity Fund (NMZ) gemeldet. Am 17.09.2025 führt der Bericht einen Kauf von 10.784 Aktien zu 10,645 $ und einen Verkauf von 10.784 Aktien zu 10,56 $ auf, wobei das Eigentum nach dem gemeldeten Kauf indirekt 10.784 Aktien beträgt. Die Einreichung stellt fest, dass beide meldepflichtigen Personen kein wirtschaftliches Eigentum besitzen, außer für etwaige finanzielle Interessen, und klärt, dass jeglicher nach Section 16(b) eventuell wieder einbringbarer Gewinn an den Emittenten abgeführt wird.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
BANK OF AMERICA CORP /DE/

(Last) (First) (Middle)
BANK OF AMERICA CORPORATE CENTER
100 N TRYON ST

(Street)
CHARLOTTE NC 28255

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND [ NMZ ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
09/17/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
COMMON STOCK(1)(2)(3) 09/17/2025 P 10,784 A $10.645 10,784 I See Footnotes(1)(2)(3)
COMMON STOCK(1)(2)(3) 09/17/2025 S 10,784 D $10.56 0 I See Footnotes(1)(2)(3)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
1. Name and Address of Reporting Person*
BANK OF AMERICA CORP /DE/

(Last) (First) (Middle)
BANK OF AMERICA CORPORATE CENTER
100 N TRYON ST

(Street)
CHARLOTTE NC 28255

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
MERRILL LYNCH, PIERCE, FENNER & SMITH INC.

(Last) (First) (Middle)
ONE BRYANT PARK

(Street)
NEW YORK NY 10036

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. This statement is jointly filed by Bank of America Corporation and Merrill Lynch, Pierce, Fenner & Smith Incorporated ("Merrill Lynch") (collectively, the "Reporting Persons"). Bank of America Corporation holds an indirect interest in the securities listed in this Report by virtue of its 100% ownership of its subsidiary Merrill Lynch. Each Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Securities Exchange Act of 1934 (the "Exchange Act"), or for any other purpose.
2. 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 Exchange Act 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.
3. Without conceding its status as a greater than 10% beneficial owner or that the reported transactions are subject to disclosure under Section 16(a) of the Exchange Act or short-swing profit recovery under Section 16(b) of the Exchange Act, the amount of profit potentially recoverable by the Issuer from the reported transactions in the event that the Reporting Persons were greater than 10% beneficial owners and the transactions were subject to Section 16(b) will be remitted to the Issuer.
BANK OF AMERICA CORP /DE/ By: Its: Authorized Signatory Andres Ortiz 09/19/2025
MERRIL LYNCH, PIERCE, FENNER & SMITH INC. By: Its: Authorized Signatory Andres Ortiz 09/19/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transactions in NMZ are reported on this Form 4?

The filing reports a purchase of 10,784 shares at $10.645 and a sale of 10,784 shares at $10.56, both dated 09/17/2025.

Who filed the Form 4 for NMZ?

The Form 4 was jointly filed by Bank of America Corporation and Merrill Lynch, Pierce, Fenner & Smith Inc. with signatures dated 09/19/2025.

Does the filing say the reporting persons beneficially own the NMZ shares?

The filing states each Reporting Person disclaims beneficial ownership except to the extent of any pecuniary interest.

Is there any statement about Section 16(b) short-swing profits?

Yes. The filing states that any amount of profit potentially recoverable under Section 16(b) will be remitted to the issuer.

What relationship do the reporting persons have to the issuer?

The form indicates the Reporting Persons are marked as Director and 10% Owner in the relationship checkboxes.
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