Nuveen Select Maturities officer files Form 3

NUVEEN SELECT MATURITIES MUNICIPAL FUND insider Joseph Castro, identified as an officer with the title "EVP, Chief Risk & Compliance," has filed a Form 3 with the SEC.

Accepted by SEC EDGAR 02/26/2026 - 01:07 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

NUVEEN SELECT MATURITIES MUNICIPAL FUND insider Joseph Castro, identified as an officer with the title "EVP, Chief Risk & Compliance," has filed a Form 3 with the SEC. The filing lists him as a reporting person but shows no buy, sell, acquisition, or disposition transactions in this report.

FAQ

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

What does the NIM Form 3 filing report about Joseph Castro?

The Form 3 identifies Joseph Castro as a reporting person and officer with the title "EVP, Chief Risk & Compliance." In this report, no purchases, sales, acquisitions, or dispositions of NUVEEN SELECT MATURITIES MUNICIPAL FUND securities are listed.

What is Joseph Castro’s role in relation to NUVEEN SELECT MATURITIES MUNICIPAL FUND (NIM)?

Joseph Castro is reported as an officer with the title "EVP, Chief Risk & Compliance." This indicates a senior risk and compliance leadership role connected with NUVEEN SELECT MATURITIES MUNICIPAL FUND in the context of this insider ownership filing.

Does the NIM Form 3 for Joseph Castro show any stock transactions?

No, the Form 3 data for Joseph Castro shows no stock transactions. The transaction summary reports zero buys, zero sells, zero acquisitions, and zero dispositions, with net buy-sell shares also at zero for this reporting period.

How many shares did Joseph Castro buy or sell in this NIM Form 3?

According to the transaction summary, Joseph Castro did not buy or sell any shares. BuyShares and SellShares are both reported as zero, and netBuySellShares is also zero, indicating no trading activity in this filing.

What does the transaction summary indicate in the NIM Form 3 filing?

The transaction summary indicates no activity for Joseph Castro. It shows zero buy, sell, acquire, dispose, or other transactions, and a neutral netBuySellDirection, reflecting no changes in reported holdings during the period covered.

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

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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
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1. Name and Address of Reporting Person^*

Castro Joseph

(Last) (First) (Middle)

333 W. WACKER DRIVE

SUITE 2900

(Street)

CHICAGO IL 60606

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/16/2025

3. Issuer Name and Ticker or Trading Symbol
NUVEEN SELECT MATURITIES MUNICIPAL FUND [ NIM ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief Risk & Compliance

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

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:

castropoa.txt

No securities are beneficially owned.

	Mark L. Winget/ Signed Under Power of Attorney	10/16/2025
	** 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 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.