No holdings disclosed as Calamos Convertible Opportunities & Income Fund (CHI) trustee files Form 3

Rhea-AI Filing Summary

Calamos Convertible Opportunities & Income Fund (CHI) insider Hugh Armstrong filed a Form 3 as a trustee, indicating his relationship to the fund. The filing states that no securities of the fund are beneficially owned, and both the non-derivative and derivative ownership tables are effectively empty. This means that, as of the event date of 09/01/2025, Armstrong reports no direct or indirect ownership of CHI shares or related derivative securities.

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^*

Armstrong Hugh

(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
	Officer (give title below)	X	Other (specify below)
			Trustee

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:

No securities are beneficially owned.

	s/ Tracey Quinn, by Power of Attorney for Hugh Armstrong, Attorney-in-Fact	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 this Form 3 filing report for CHI?

The Form 3 for Calamos Convertible Opportunities & Income Fund (CHI) reports that the insider beneficially owns no securities of the fund, including both non-derivative and derivative securities.

Who is the reporting person in this CHI Form 3?

The reporting person is Hugh Armstrong, who is identified in the data as serving in an "other" capacity as a Trustee of Calamos Convertible Opportunities & Income Fund (CHI).

What is Hugh Armstrong’s relationship to Calamos Convertible Opportunities & Income Fund (CHI)?

Hugh Armstrong is listed with an "other" relationship classification, specified as Trustee, rather than as a director, officer, or 10% owner of CHI.

Does Hugh Armstrong report any ownership of CHI shares on this Form 3?

No. The explanation section clearly states that no securities are beneficially owned, and the ownership tables show no reported holdings.

Are there any derivative securities reported for CHI in this Form 3?

No derivative securities are reported. The derivative securities table for Calamos Convertible Opportunities & Income Fund (CHI) contains no entries, consistent with the statement that no securities are beneficially owned.

Is this Form 3 filed by one or multiple reporting persons for CHI?

The filing is indicated as Form filed by One Reporting Person, meaning only Hugh Armstrong is covered by this Form 3 for CHI.