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[Form 3] Western Asset Municipal High Income Fund, Inc Initial Statement of Beneficial Ownership

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
3

Form 3 filed for Jeffrey Masom reporting relationship to Western Asset Municipal High Income Fund, Inc. (MHF). The filing states Mr. Masom is an officer serving as a Director-Subadviser and that no securities are beneficially owned. The event date requiring the statement is 04/29/2025. The form is signed by Mitchell O'Brien by power of attorney on 08/28/2025.

Modello 3 presentato per Jeffrey Masom che riporta la relazione con Western Asset Municipal High Income Fund, Inc. (MHF). La dichiarazione indica che il signor Masom è un dirigente che svolge il ruolo di Direttore-Subconsulente e che nessuna sicurezza è detenuta in modo vantaggioso. La data dell’evento che richiede la dichiarazione è 29/04/2025. Il modulo è firmato da Mitchell O'Brien per procura il 28/08/2025.

Form 3 presentado para Jeffrey Masom que reporta su relación con Western Asset Municipal High Income Fund, Inc. (MHF). La presentación indica que el Sr. Masom es un funcionario que desempeña el cargo de Director-Subadvisor y que no posee valores de forma beneficiosa. La fecha del evento que requiere la declaración es 29/04/2025. El formulario está firmado por Mitchell O'Brien por poder el 28/08/2025.

Jeffrey Masom에 대한 Form 3가 Western Asset Municipal High Income Fund, Inc. (MHF)와의 관계를 보고합니다. 제출서는 Masom 씨가 이사-서브어드바이저로 재직 중인 임원을 맡고 있으며, 이익 소유 증권이 없다고 명시합니다. 진술이 필요한 사건 날짜는 2025-04-29입니다. 해당 양식은 Mitchell O'Brien이 위임장으로 2025-08-28에 서명했습니다.

Formulaire 3 déposé pour Jeffrey Masom faisant état de sa relation avec Western Asset Municipal High Income Fund, Inc. (MHF). Le dépôt indique que M. Masom est un dirigeant exerçant les fonctions de Directeur-Subadvisor et qu’aucun titre n’est détenu de manière bénéficiaire. La date de l’événement qui nécessite la déclaration est le 29/04/2025. Le formulaire est signé par Mitchell O'Brien par procuration le 28/08/2025.

Formular 3 eingereicht für Jeffrey Masom, der die Beziehung zur Western Asset Municipal High Income Fund, Inc. (MHF) angibt. Das Formular besagt, dass Herr Masom als Director-Subadviser tätig ist und dass keine Wertpapiere als wirtschaftlicher Eigentümer gehalten werden. Das Ereignisdatum, das die Erklärung erfordert, ist der 29.04.2025. Das Formular wurde von Mitchell O'Brien per Vollmacht am 28.08.2025 unterschrieben.

النموذج 3 مُقدم لِـ Jeffrey Masom يوضح علاقته بـ Western Asset Municipal High Income Fund, Inc. (MHF). يُشير التقديم إلى أن السيد ماسوم موظف يشغل منصب مدير-مستشار فرعي وأنه لا يمتلك أي أوراق مالية بشكل مستفيد. تاريخ الحدث الذي يتطلب التصريح هو 29/04/2025. تم توقيع النموذج من قِبل Mitchell O'Brien بالوكالة في 28/08/2025.

为 Jeffrey Masom 提交的表格3,汇报其与 Western Asset Municipal High Income Fund, Inc.(MHF)的关系。 该披露表明 Masom 先生是一名官员,担任 Director-Subadviser(主任-副投资顾问),且没有实际持有的证券。需要声明的事件日期为 2025-04-29。该表格由 Mitchell O'Brien 通过授权书于 2025-08-28 签署。

Positive
  • None.
Negative
  • None.

Insights

TL;DR: A Form 3 discloses an officer role with no beneficial ownership; this is routine for governance records.

The filing documents Mr. Jeffrey Masom's relationship to the issuer as an officer and Director-Subadviser and explicitly states no securities are beneficially owned. For governance oversight, the form formally establishes reporting obligations rather than indicating share ownership or transactions. There are no disclosures of holdings, derivatives, or changes that would affect control or voting rights.

TL;DR: Initial Section 16 filing reports no beneficial ownership; this provides no market-moving ownership data.

The Form 3 confirms the reporting person and event date of 04/29/2025 and records that the report was executed by power of attorney on 08/28/2025. Because the filing states explicitly that there are no securities beneficially owned, there are no holdings, acquisitions, dispositions, or derivative positions disclosed that would affect investor assessment of insider ownership.

Modello 3 presentato per Jeffrey Masom che riporta la relazione con Western Asset Municipal High Income Fund, Inc. (MHF). La dichiarazione indica che il signor Masom è un dirigente che svolge il ruolo di Direttore-Subconsulente e che nessuna sicurezza è detenuta in modo vantaggioso. La data dell’evento che richiede la dichiarazione è 29/04/2025. Il modulo è firmato da Mitchell O'Brien per procura il 28/08/2025.

Form 3 presentado para Jeffrey Masom que reporta su relación con Western Asset Municipal High Income Fund, Inc. (MHF). La presentación indica que el Sr. Masom es un funcionario que desempeña el cargo de Director-Subadvisor y que no posee valores de forma beneficiosa. La fecha del evento que requiere la declaración es 29/04/2025. El formulario está firmado por Mitchell O'Brien por poder el 28/08/2025.

Jeffrey Masom에 대한 Form 3가 Western Asset Municipal High Income Fund, Inc. (MHF)와의 관계를 보고합니다. 제출서는 Masom 씨가 이사-서브어드바이저로 재직 중인 임원을 맡고 있으며, 이익 소유 증권이 없다고 명시합니다. 진술이 필요한 사건 날짜는 2025-04-29입니다. 해당 양식은 Mitchell O'Brien이 위임장으로 2025-08-28에 서명했습니다.

Formulaire 3 déposé pour Jeffrey Masom faisant état de sa relation avec Western Asset Municipal High Income Fund, Inc. (MHF). Le dépôt indique que M. Masom est un dirigeant exerçant les fonctions de Directeur-Subadvisor et qu’aucun titre n’est détenu de manière bénéficiaire. La date de l’événement qui nécessite la déclaration est le 29/04/2025. Le formulaire est signé par Mitchell O'Brien par procuration le 28/08/2025.

Formular 3 eingereicht für Jeffrey Masom, der die Beziehung zur Western Asset Municipal High Income Fund, Inc. (MHF) angibt. Das Formular besagt, dass Herr Masom als Director-Subadviser tätig ist und dass keine Wertpapiere als wirtschaftlicher Eigentümer gehalten werden. Das Ereignisdatum, das die Erklärung erfordert, ist der 29.04.2025. Das Formular wurde von Mitchell O'Brien per Vollmacht am 28.08.2025 unterschrieben.

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*
Masom Jeffrey

(Last) (First) (Middle)
100 INTERNATIONAL DRIVE

(Street)
BALTIMORE MD 21202

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
04/29/2025
3. Issuer Name and Ticker or Trading Symbol
WESTERN ASSET MUNICIPAL HIGH INCOME FUND INC. [ MHF ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
Officer (give title below) X Other (specify below)
Director- Subadviser
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:
No securities are beneficially owned.
/s/Mitchell O'Brien by Power of Attorney on behalf of Jeffrey Masom 08/28/2025
** 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.
Western Asset Muni High Income

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