[Form 3] PIMCO STRATEGIC INCOME FUND, INC. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Sonya Morris, reporting from an address c/o PIMCO in Newport Beach, submitted an initial Section 16 Form 3 disclosing her relationship to PIMCO Strategic Income Fund, Inc. (ticker RCS) as a Director. The filing states the event date requiring the statement was 09/18/2025 and indicates that no securities are beneficially owned by the reporting person. The filing was executed under a power of attorney (Exhibit 24) and signed on behalf of Ms. Morris by an attorney-in-fact.

Positive

• Required disclosure filed under Section 16, documenting the reporting person’s role as a Director of RCS
• Clear statement that no securities are beneficially owned, providing transparency to investors and regulators
• Exhibit 24 (Power of Attorney) included, indicating authorized representation for filing

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Director filed required initial Form 3 and declared no beneficial ownership of issuer securities.

The submission fulfils a compliance obligation under Section 16 by documenting the reporting person’s status as a director and confirming absence of direct or indirect holdings in the issuer. From a governance perspective, the clear disclosure and use of a power of attorney indicate procedural adherence to reporting rules. The lack of ownership is a factual state; it does not, by itself, convey intent or future transactions but is material to assessing insider alignment with shareholders.

Securities Analyst

TL;DR: Routine initial filing; material impact is minimal since no securities were reported.

The Form 3 records the reporting relationship and a zero position in the issuer’s securities. For investors and compliance teams, this confirms there were no registrable holdings at the time of the event date. Because no holdings, options, or derivative positions are reported, there are no immediate implications for share ownership metrics or insider trading analyses based on this filing alone.

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

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1. Name and Address of Reporting Person^*

Morris Sonya

(Last) (First) (Middle)

C/O PIMCO

650 NEWPORT CENTER DRIVE

(Street)

NEWPORT BEACH CA 92660

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/18/2025

3. Issuer Name and Ticker or Trading Symbol
PIMCO STRATEGIC INCOME FUND, INC. [ RCS ]

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

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:

Exhibit List: Exhibit 24 - Power of Attorney No Securities are beneficially owned.

No securities are beneficially owned.

	/s/ Ryan Leshaw, Attorney-in-Fact for Sonya Morris	09/25/2025
	** 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.

FAQ

What did Sonya Morris disclose in the Form 3 for RCS?

The Form 3 lists Sonya Morris as a Director of PIMCO Strategic Income Fund, Inc. (ticker RCS) and states she does not beneficially own any securities of the issuer.

What is the event date reported on the Form 3?

The Form 3 shows the event date requiring the statement as 09/18/2025.

Was a power of attorney used to file the Form 3?

Yes. The filing references Exhibit 24 – Power of Attorney and the signature was executed by an attorney-in-fact on behalf of the reporting person.

Did the Form 3 report any derivative or non-derivative securities holdings?

No. The filing explicitly states no securities are beneficially owned, and both Table I (non-derivative) and Table II (derivative) are empty.

Was the Form 3 filed by more than one reporting person?

No. The form indicates it was filed by one reporting person.