CHI (CHI) updates insider roles in Form 3/A without share trades

Rhea-AI Filing Summary

CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND filed an amended insider ownership report for John S. Koudounis. He is identified as a Vice President and noted as a Trustee effective 9-1-25. The amendment does not report any insider share purchases or sales, focusing solely on role and status disclosure.

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^*

Koudounis John S.

(Last) (First) (Middle)

2020 CALAMOS COURT

(Street)

NAPERVILLE IL 60563

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/01/2025

3. Issuer Name and Ticker or Trading Symbol
CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND [ CHI ]

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

	Director		10% Owner
X	Officer (give title below)	X	Other (specify below)
	Vice President		Trustee effective 9-1-25

5. If Amendment, Date of Original Filed (Month/Day/Year)
07/11/2016

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:

The reporting person has filed this amended Form 3 to update his relationship to the issuer.

No securities are beneficially owned.

	/s/ John S. Koudounis	09/09/2025
	** 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 does the CHI Form 3/A filing disclose about John S. Koudounis?

The Form 3/A shows that John S. Koudounis is a Vice President of CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND and is designated as a Trustee effective 9-1-25. It is an amended insider ownership report without reported transactions.

Were any CHI shares bought or sold in this Form 3/A amendment?

No insider share purchases or sales are reported in this Form 3/A amendment. The transaction summary shows zero buy, sell, acquire, or dispose counts and zero net share activity, indicating it is an administrative update rather than a trading disclosure.

What insider role is reported for John S. Koudounis at CHI?

John S. Koudounis is reported as an officer with the title Vice President at CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND. The filing also notes that he will serve as a Trustee effective 9-1-25, clarifying his governance and management roles.

Why is the CHI Form 3/A considered an amendment?

The Form 3/A is labeled as an amendment to an existing insider ownership report. It updates the disclosure for John S. Koudounis, highlighting his Vice President position and Trustee status effective 9-1-25, without introducing any new share transactions or ownership changes.

Does the CHI Form 3/A show net insider buying or selling activity?

The Form 3/A shows no net insider buying or selling activity. The transaction summary lists zero buys, sells, acquisitions, or dispositions, and net buy/sell shares are zero, indicating no trading by the reporting person in this amendment.