JPMorgan reports 0 shares of Series 2051 preferred (CMU)

Rhea-AI Filing Summary

The MFS High Yield Municipal Trust filing shows JPMorgan Chase Bank, National Association filed an amendment to a Schedule 13G/A reporting zero beneficial ownership of Remarketable Variable Rate MuniFund Term Preferred Shares, Series 2051 (CUSIP 59318E607).

The filing records 0 shares and 0% ownership, and is signed by an authorized signatory on 07/01/2026.

Key Figures

CUSIP: 59318E607 Amount beneficially owned: 0 shares Percent of class: 0% +2 more

5 metrics

CUSIP 59318E607 Series 2051 preferred shares

Amount beneficially owned 0 shares Reported by JPMorgan Chase Bank in Schedule 13G/A

Percent of class 0% Percentage of preferred shares outstanding as calculated by the issuer

Signature date 07/01/2026 Date signed by authorized signatory Adrian Budischak

Filer JPMorgan Chase Bank, National Association Reporting person on Schedule 13G/A

Key Terms

Remarketable Variable Rate MuniFund Term Preferred Shares, Schedule 13G/A, CUSIP

3 terms

Remarketable Variable Rate MuniFund Term Preferred Shares financial

"Title/Item 2(d) identifies the class as Remarketable Variable Rate MuniFund Term Preferred Shares"

A remarketable variable rate munifund term preferred share is a type of preferred stock issued by a fund that invests in municipal (tax-exempt) debt, which pays a dividend that resets periodically with market rates and has a defined term or maturity. Think of it as an adjustable-rate certificate that can be resold on scheduled “remarketing” dates; it matters to investors because it offers tax-advantaged income with changing yields, but carries interest-rate sensitivity, liquidity risk at remarketing, and credit risk tied to the municipal holdings.

Schedule 13G/A regulatory

"Filing header indicates this is an amendment (Amendment No. 6) to Schedule 13G/A"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

CUSIP financial

"Item 2(e) lists CUSIP No. 59318E607 for the security class"

A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.

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

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Available on EDGAR 07/01/2026 - 08:19 AM Accepted by SEC EDGAR 07/01/2026 - 08:18 AM Learn about SEC filing dates

FAQ

What does Schedule 13G/A mean for CMU and JPMorgan?

It is an amended passive ownership disclosure signed by JPMorgan Chase Bank. The filing reports 0 shares and 0% ownership of Series 2051 preferred shares, updating the issuer's public ownership records with the SEC.

How many Remarketable Variable Rate MuniFund Term Preferred Shares, Series 2051 does JPMorgan own?

The filing states JPMorgan owns 0 shares of Series 2051 preferred shares. The percentage ownership is listed as 0%, calculated by the issuer based on preferred shares outstanding.

What is the CUSIP and why is it listed in the filing?

The CUSIP for the Series 2051 preferred shares is 59318E607. CUSIPs uniquely identify the security class referenced in the Schedule 13G/A to avoid ambiguity about which shares the disclosure covers.

When was this amendment signed and who signed it?

The amendment was signed on 07/01/2026 by Adrian Budischak as an Authorized Signatory. The signature certifies the accuracy of the ownership information in the Schedule 13G/A amendment.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 6)

MFS High Yield Municipal Trust

(Name of Issuer)

Remarketable Variable Rate MuniFund Term Preferred Shares, Series 2051

(Title of Class of Securities)

59318E607

(CUSIP Number)

06/08/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 59318E607

1

Names of Reporting Persons

JPMorgan Chase Bank, National Association

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0 %

12

Type of Reporting Person (See Instructions)

BK

SCHEDULE 13G

Item 1.
(a)	Name of issuer: MFS High Yield Municipal Trust
(b)	Address of issuer's principal executive offices: 111 Huntington Avenue, 24th Floor, Boston, MA 02199
Item 2.
(a)	Name of person filing: JPMorgan Chase Bank, National Association ("JPM")
(b)	Address or principal business office or, if none, residence: 1111 Polaris Parkway Columbus, OH 43240
(c)	Citizenship: United States of America
(d)	Title of class of securities: Remarketable Variable Rate MuniFund Term Preferred Shares, Series 2051
(e)	CUSIP No.: 59318E607
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 0
(b)	Percent of class: 0%* *Represents percentage ownership of RVMTP Shares as a percentage of all preferred shares outstanding and is calculated based on information supplied by the Issuer.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

JPMorgan Chase Bank, National Association

Signature:	/s/ Adrian Budischak
Name/Title:	Adrian Budischak / Authorized Signatory
Date:	07/01/2026