Vianna Celso T. - 18 Mar 2026 Form 3 Insider Report for MILLICOM INC

Role: Chief Accounting Officer
Signature: /s/ Celso T Vianna
Issuer symbol: N/A
Transactions as of: 18 Mar 2026
Net transactions value: $0
Form type: 3
Filing time: 18 Mar 2026, 16:30:28 UTC
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Vianna Celso T	Chief Accounting Officer	C/O MILLICOM INTERNATIONAL CELLULAR S.A., 8400 NW 36TH STREET, SUITE 530, DORAL	/s/ Celso T Vianna	18 Mar 2026	0002121479

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding		Common Shares						66,964	18 Mar 2026	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding		Stock Appreciation Rights							18 Mar 2026	Common Shares	8,324	$20.30	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Includes 18,072 common shares subject to outstanding restricted share units granted to the reporting person in consideration for service to the issuer which vest based on the reporting person's continued service through the applicable vesting dates.
F2	Upon exercise, each stock appreciation right entitles the reporting person to an amount in cash equal to the excess of the fair market value of a common share of the issuer over the exercise price per common share, subject to the reporting person's continued service through the date exercisable.