No PTY shares owned in Form 3 filed by PIMCO executive (PTY)

Rhea-AI Filing Summary

PIMCO Corporate & Income Opportunity Fund insider report shows no holdings. Jason William Mandinach, a member of PIMCO's Executive Committee, filed an initial ownership report for PTY. The filing states that no securities of the fund are beneficially owned.

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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 CORPORATE & INCOME OPPORTUNITY FUND [ PTY ]

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).
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 does the Form 3 filing for PIMCO Corporate & Income Opportunity Fund (PTY) show?

The Form 3 shows no beneficial ownership of PTY shares. Jason William Mandinach filed as a reporting person, and the document explicitly states that no securities of PIMCO Corporate & Income Opportunity Fund are beneficially owned.

Who is the reporting person in the PTY Form 3 insider filing?

The reporting person is Jason William Mandinach. He is identified in the filing and noted in the remarks as a member of PIMCO's Executive Committee, with PIMCO serving as the investment advisor to PIMCO Corporate & Income Opportunity Fund.

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

No, the filing states that no securities are beneficially owned. The Form 3 clearly notes that there are no non-derivative or derivative securities beneficially owned in PIMCO Corporate & Income Opportunity Fund by the reporting person.

What relationship does PIMCO have to PIMCO Corporate & Income Opportunity Fund (PTY)?

PIMCO is the investment advisor to the fund. The remarks section explains that Pacific Investment Management Company LLC (PIMCO) serves as the investment advisor of the issuer, PIMCO Corporate & Income Opportunity Fund, while the reporting person sits on PIMCO's Executive Committee.

What is the event date reported in the PTY Form 3 for Jason William Mandinach?

The event date reported is January 22, 2026. This is the date of the event requiring the Form 3 statement, as specified in the filing for PIMCO Corporate & Income Opportunity Fund (PTY).