Eaton Vance Trust reports board chair's passing

Eaton Vance National Municipal Opportunities Trust reported that its Board Chairperson, Mr. Mark R. Fetting, unexpectedly passed away on August 9, 2025.

Rhea-AI Filing Summary

Eaton Vance National Municipal Opportunities Trust reported that its Board Chairperson, Mr. Mark R. Fetting, unexpectedly passed away on August 9, 2025. Ms. Susan J. Sutherland is now serving as acting Chairperson of the Board. Effective August 12, 2025, the Board reduced its size from ten to nine members, reflecting this change in leadership.

Insights

Closed-end fund governance analyst

Unexpected loss of the board chair leads to interim leadership and a smaller board, but core operations are not addressed here.

The trust discloses the unexpected passing of Mr. Mark R. Fetting, who served as Chairperson of the Board of Trustees, on August 9, 2025. To maintain board leadership, Ms. Susan J. Sutherland is serving as acting Chairperson, providing continuity at the board level. This kind of change focuses on oversight rather than day-to-day portfolio management.

Effective August 12, 2025, the board size was reduced from ten to nine members, aligning the board’s formal structure with its current membership. The information provided centers on governance and succession steps; it does not discuss investment strategy, performance, or distribution policy, so any impact on the trust’s portfolio or income profile is not addressed in this disclosure.

8-K Event Classification

Item 8.01 — Other Events

1 item

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

FAQ

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

What did Eaton Vance National Municipal Opportunities Trust (EOT) disclose in this 8-K?

The trust disclosed that its Board Chairperson, Mr. Mark R. Fetting, unexpectedly passed away on August 9, 2025, and that it has adjusted its board leadership and size in response.

Who is currently leading the board of Eaton Vance National Municipal Opportunities Trust (EOT)?

Ms. Susan J. Sutherland is serving as acting Chairperson of the Board following the unexpected passing of former Chairperson Mr. Mark R. Fetting.

How did the board composition of Eaton Vance National Municipal Opportunities Trust (EOT) change?

Effective August 12, 2025, the Board reduced its size from ten to nine members, reflecting the change following Mr. Fetting’s passing.

Does this 8-K for EOT discuss any changes to the trust’s investments or financial results?

No. The disclosure focuses on governance matters: the passing of the Board Chairperson, the appointment of an acting Chairperson, and the reduction in board size.

What role did Mr. Mark R. Fetting hold at Eaton Vance National Municipal Opportunities Trust (EOT)?

Mr. Mark R. Fetting served as Chairperson of the Board of Trustees of the trust before his unexpected passing on August 9, 2025.

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

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Accepted by SEC EDGAR 08/14/2025 - 02:14 PM Learn about SEC filing dates

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): August 9, 2025

EATON VANCE NATIONAL MUNICIPAL OPPORTUNITIES TRUST

(Exact name of registrant as specified in its charter)

Massachusetts (State or other jurisdiction of incorporation)	811-22269 (Commission File Number)	26-4597884 (IRS Employer Identification No.)
One Post Office Square Boston, Massachusetts (Address of principal executive offices)		02109 (Zip Code)

(617) 482-8260
(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

□ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

□ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

□ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

□ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Titles of Each Class	Trading Symbol	Name of exchange on which registered
Common Shares of Beneficial Interest, $0.01 par value	EOT	NYSE

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company □

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. □

Item 8.01 Other Events

Mr. Mark R. Fetting, who served as Chairperson of the Board of Trustees of the registrant (the “Board”), unexpectedly passed away on August 9, 2025. Ms. Susan J. Sutherland is serving as acting Chairperson of the Board. Effective as of August 12, 2025, the Board has reduced the size of the Board from ten to nine members.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

EATON VANCE NATIONAL MUNICIPAL OPPORTUNITIES TRUST

By: /s/ Deidre E. Walsh

Name: Deidre E. Walsh

Title: Vice President & Chief Legal Officer

Date:   August 14, 2025