RCS: PIMCO executive Jason Mandinach files Form 3 with no RCS holdings

Rhea-AI Filing Summary

PIMCO Strategic Income Fund, Inc. (RCS) insider filing shows that Jason William Mandinach filed an initial Form 3 reporting no beneficial ownership of the fund’s securities. The remarks state that Pacific Investment Management Company LLC (PIMCO) is the investment advisor to the fund and Mandinach is a member of PIMCO’s Executive Committee.

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^*

Mandinach Jason William

(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)
01/22/2026

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)

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

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:

Pacific Investment Management Company LLC ("PIMCO") is the investment advisor of the Issuer. The Reporting Person is a member of PIMCO's Executive Committee. Exhibit List: Exhibit 24 - Power of Attorney.

No securities are beneficially owned.

	/s/ Ryan Leshaw, Attorney-in-Fact for Jason William Mandinach	01/30/2026
	** 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).
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FAQ

What does the latest Form 3 filing for RCS disclose about Jason William Mandinach?

The Form 3 shows that Jason William Mandinach currently reports no securities beneficially owned in PIMCO Strategic Income Fund, Inc. (RCS). It also notes he is a member of PIMCO’s Executive Committee, and PIMCO serves as the fund’s investment advisor.

Does Jason William Mandinach own any RCS shares according to this Form 3?

According to the Form 3, Jason William Mandinach reports no securities beneficially owned in PIMCO Strategic Income Fund, Inc. (RCS). Both the non-derivative and derivative securities tables are empty, with the remarks explicitly confirming no beneficial ownership.

What is PIMCO’s role in relation to PIMCO Strategic Income Fund, Inc. (RCS)?

The filing states that Pacific Investment Management Company LLC (PIMCO) is the investment advisor of PIMCO Strategic Income Fund, Inc. (RCS). This means PIMCO is responsible for managing the fund’s investment portfolio under the advisory agreement.

What position does Jason William Mandinach hold at PIMCO according to the Form 3?

The remarks explain that Jason William Mandinach is a member of PIMCO’s Executive Committee. This identifies him as a senior leader within Pacific Investment Management Company LLC, which acts as the investment advisor to the PIMCO Strategic Income Fund, Inc. (RCS).

Is Jason William Mandinach listed as a director or officer of RCS in this filing?

In the relationship section, standard boxes for director, officer, and 10% owner are not marked for him. Instead, the filing uses the “Other (see remarks)” category, with remarks clarifying his role on PIMCO’s Executive Committee rather than a direct officer or director role at RCS.