Calamos Global Total Return (CGO) amends Form 3 for VP John Koudounis

Rhea-AI Filing Summary

CALAMOS GLOBAL TOTAL RETURN FUND filed an amended insider ownership report for John S. Koudounis. The filing lists him as a Vice President and notes he will serve as a trustee effective September 1, 2025. The amendment does not report any stock transactions or changes in share ownership.

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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^*

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 GLOBAL TOTAL RETURN FUND [ CHO ]

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 CALAMOS GLOBAL TOTAL RETURN FUND's Form 3/A for CGO disclose?

The Form 3/A discloses an updated insider ownership report for John S. Koudounis. It identifies him as a Vice President and indicates he will be a trustee effective September 1, 2025, without reporting any stock transactions or changes in beneficial ownership.

Did John S. Koudounis buy or sell CGO shares in this Form 3/A?

No stock transactions are reported for John S. Koudounis in this Form 3/A. The filing shows zero shares bought or sold, and no acquire or dispose activity, indicating it is purely an administrative update to his reported insider status with the fund.

What role of John S. Koudounis is reported in the CGO Form 3/A?

The Form 3/A lists John S. Koudounis as an officer of CALAMOS GLOBAL TOTAL RETURN FUND with the title Vice President. It also notes that he will serve as a trustee effective September 1, 2025, formalizing his governance role without reflecting any related share transactions.

Why is there an amendment (Form 3/A) instead of an original Form 3 for CGO?

A Form 3/A indicates an amendment to a previously filed initial ownership report. In this case, the amendment updates details for John S. Koudounis, including his officer title and future trustee status, while keeping all transaction-related counts at zero with no ownership changes disclosed.

Does the CGO Form 3/A show any beneficial ownership changes for John S. Koudounis?

The Form 3/A shows no beneficial ownership changes for John S. Koudounis. Transaction counts for buys, sells, acquisitions, and dispositions are all zero, and net buy-sell direction is neutral, indicating the filing is administrative rather than reporting new investment activity.