Nuveen NMZ names portfolio manager as insider

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ) reported an initial statement of ownership on Form 3 for Margot Kleinman, who is identified as a Portfolio Manager.

Rhea-AI Filing Summary

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ) reported an initial statement of ownership on Form 3 for Margot Kleinman, who is identified as a Portfolio Manager. The filing does not list any specific holdings or transactions, so it simply establishes her status as an insider associated with the fund.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does this Form 3 filing mean for NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ)?

The Form 3 identifies Margot Kleinman as an insider of NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND in the capacity of Portfolio Manager. It is an initial ownership report and does not itself disclose any specific shareholdings or trades.

Who is the reporting person in this NMZ Form 3?

The reporting person is Margot Kleinman, described in the filing as a Portfolio Manager associated with NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND. She is not reported as a director, officer, or ten percent owner in this form.

Does the NMZ Form 3 show any shares owned by the portfolio manager?

No. This Form 3 does not list any specific shareholdings or derivative positions for Margot Kleinman. It functions only as an initial insider identification without quantifying her ownership in NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND.

Are there any buy or sell transactions reported in this NMZ Form 3?

No. The Form 3 for NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND reports no purchases, sales, or other transactions. It is purely an initial statement of insider status for the portfolio manager.

Does this NMZ Form 3 mention any trading plans under Rule 10b5-1?

No. The Form 3 does not indicate that any Rule 10b5-1 trading plan applies, and it reports no trades. It only identifies Margot Kleinman as a portfolio manager insider of NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/03/2026 - 01:45 PM EDT Accepted by SEC EDGAR 09/03/2026 - 01:44 PM EDT Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Kleinman Margot

(Last) (First) (Middle)

C/O NUVEEN INVESTMENTS

333 W. WACKER DRIVE

(Street)

CHICAGO ILLINOIS 60606

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
08/26/2026

3. Issuer Name and Ticker or Trading Symbol
NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND [ NMZ ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
	Officer (give title below)	X	Other (specify below)
			Portfolio Manager

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

kleinmanpoa.txt

No securities are beneficially owned.

	Mark L. Winget/ Signed Under Power of Attorney	09/03/2026
	** 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 5 (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.
* Form 3: SEC 1473 (03-26)