STOCK TITAN

Western Asset Mortgage SVP reports no holdings

Initial Form 3 for a senior investment manager at DMO reports no transactions or listed holdings.

(Neutral)
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Western Asset Mortgage Opportunity Fund Inc. (DMO) filed an initial statement of beneficial ownership (Form 3) for Brett Michael Mossman, identified as a Senior Vice President/Investment Manager. The filing reports no transactions and provides no detailed holdings in common stock or derivatives for this reporting person.

Positive

  • None.

Negative

  • None.
Buy shares reported 0 shares Total buy shares in the Form 3 transaction summary
Sell shares reported 0 shares Total sell shares in the Form 3 transaction summary
Holding entries reported 0 entries Number of holding entries listed for the reporting person
Net buy/sell shares 0 shares Net change in reported ownership for the reporting person
Form 3 regulatory
"filed an initial statement of beneficial ownership (Form 3) for Brett"
Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.
beneficial ownership regulatory
"filed an initial statement of beneficial ownership (Form 3) for Brett"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
derivative transactions financial
"the transaction summary reports 0 derivative transactions, indicating no options"
Derivative transactions are contracts whose value depends on the price or performance of something else—like stocks, bonds, currencies, interest rates or commodities. Think of them as insurance or bets about a future price: investors use them to protect against losses, lock in prices, or try to amplify returns, but they can also magnify losses, create cash demands and expose a firm to the risk that the other party won’t meet its obligation, so they can materially affect a company’s financial stability and volatility.

FAQ

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

What does the Form 3 filing disclose for DMO insider Brett Michael Mossman?

It discloses that Brett Michael Mossman is a reporting person for Western Asset Mortgage Opportunity Fund Inc. (DMO), described as a Senior Vice President/Investment Manager, and that there are no reportable transactions or detailed holdings listed in this Form 3 data.

Are any share purchases or sales reported for DMO in this Form 3?

No. The Form 3 shows no buy or sell transactions for Western Asset Mortgage Opportunity Fund Inc. The transaction summary indicates 0 buy shares and 0 sell shares for the reporting person.

Does this DMO Form 3 show any derivative securities for the insider?

No. The derivative section in this Form 3 is empty, and the transaction summary reports 0 derivative transactions, indicating no options, warrants, or other derivatives are listed for the reporting person here.

What is Brett Michael Mossman’s role in relation to Western Asset Mortgage Opportunity Fund Inc. (DMO)?

He is identified as a Senior Vice President/Investment Manager associated with Western Asset Mortgage Opportunity Fund Inc. in this Form 3 filing.

Does the Form 3 for DMO indicate any net change in ownership?

No. The transaction summary shows net buy/sell shares of 0 and a neutral net buy/sell direction, meaning no change in reported ownership based on this filing.

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

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Learn about SEC filing dates
SEC Form 3
FORM 3UNITED 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*
Mossman Brett Michael

(Last)(First)(Middle)
FRANKLIN TEMPLETON
ONE MADISON AVENUE, 17TH FLOOR

(Street)
NEW YORK NEW YORK 10010

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
09/01/2026
3. Issuer Name and Ticker or Trading Symbol
Western Asset Mortgage Opportunity Fund Inc. [ DMO ]
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)
Director10% Owner
Officer (give title below)XOther (specify below)
Senior Vice President/Inv. Mgr
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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 ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
Remarks:
No securities are beneficially owned.
/s/Marc A. De Oliveira by Power of Attorney for Brett M. Mossman09/11/2026
** Signature of Reporting PersonDate
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)

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