Millicom executive files initial Form 3

MILLICOM INTERNATIONAL CELLULAR SA executive Guillaume Duhaze, Chief Technology and Information Officer, has filed an initial Form 3 as an officer of the company.

Accepted by SEC EDGAR 03/18/2026 - 08:52 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

MILLICOM INTERNATIONAL CELLULAR SA executive Guillaume Duhaze, Chief Technology and Information Officer, has filed an initial Form 3 as an officer of the company. This filing establishes his status as an insider for regulatory reporting purposes, and the provided data does not show any reportable transactions.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Guillaume Duhaze’s Form 3 filing mean for TIGO investors?

The Form 3 shows Guillaume Duhaze, Chief Technology and Information Officer, is now classified as an insider. It establishes his reporting obligations for future trades in MILLICOM INTERNATIONAL CELLULAR SA securities but does not itself indicate any share purchases or sales.

Does the TIGO Form 3 for Guillaume Duhaze report any stock transactions?

No stock transactions are reported in this Form 3. The insider data shows zero buy, sell, exercise, gift, tax withholding, or restructuring events, meaning the filing is primarily an initial insider registration rather than a record of trading activity.

What role does Guillaume Duhaze hold at MILLICOM INTERNATIONAL CELLULAR SA (TIGO)?

Guillaume Duhaze is identified as Chief Tech. & Info. Officer of MILLICOM INTERNATIONAL CELLULAR SA. As a senior officer, he is required to report his beneficial ownership and any future transactions in company securities through Forms 3, 4, and 5.

Why is a Form 3 filing important for MILLICOM INTERNATIONAL CELLULAR SA?

Form 3 identifies a person as a new insider of MILLICOM INTERNATIONAL CELLULAR SA. It starts the formal record of their beneficial ownership, ensuring that any future trades in TIGO securities are transparently disclosed to the market under SEC rules.

Does the Form 3 for TIGO show any derivative or option positions for Guillaume Duhaze?

The insider data shows no derivative transactions or remaining derivative positions for Guillaume Duhaze. Both the derivative transaction count and derivative summary are empty, indicating no options, warrants, or similar instruments are reported in this particular filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Duhaze Guillaume

(Last) (First) (Middle)

C/O MILLICOM INTERNATIONAL CELLULAR S.A.

8400 NW 36TH STREET, SUITE 530

(Street)

DORAL 33166

(City) (State) (Zip)

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
MILLICOM INTERNATIONAL CELLULAR SA [ TIGO ]

3a. Foreign Trading Symbol

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Tech. & Info. Officer

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/ Guillaume Duhaze	03/18/2026
	** 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.
* Form 3: SEC 1473 (03-26)