Amendment: SEC Form SCHEDULE 13D/A filed by Millicom International Cellular S.A.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 20)
|
MILLICOM INTERNATIONAL CELLULAR SA (Name of Issuer) |
Common Shares (Title of Class of Securities) |
L6388F110 (CUSIP Number) |
Denis Klimentchenko Skadden, Arps, Slate, Meagher & Flom, (UK), LLP, 22 Bishopsgate London, X0, EC2N 4BQ 44(0)20 7519 7289 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
08/11/2025 (Date of Event Which Requires Filing of This Statement) |

SCHEDULE 13D
|
CUSIP No. | L6388F110 |
1 |
Name of reporting person
Atlas Investissement SAS | ||||||||
2 | Check the appropriate box if a member of a Group (See Instructions)
![]() ![]() | ||||||||
3 | SEC use only | ||||||||
4 |
Source of funds (See Instructions)
OO | ||||||||
5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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6 | Citizenship or place of organization
FRANCE
| ||||||||
Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
11 | Aggregate amount beneficially owned by each reporting person
70,470,018.00 | ||||||||
12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
13 | Percent of class represented by amount in Row (11)
42.2 % | ||||||||
14 | Type of Reporting Person (See Instructions)
CO |
SCHEDULE 13D
|
CUSIP No. | L6388F110 |
1 |
Name of reporting person
Iliad Holding SAS | ||||||||
2 | Check the appropriate box if a member of a Group (See Instructions)
![]() ![]() | ||||||||
3 | SEC use only | ||||||||
4 |
Source of funds (See Instructions)
OO | ||||||||
5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
6 | Citizenship or place of organization
FRANCE
| ||||||||
Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
11 | Aggregate amount beneficially owned by each reporting person
70,470,018.00 | ||||||||
12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
13 | Percent of class represented by amount in Row (11)
42.2 % | ||||||||
14 | Type of Reporting Person (See Instructions)
CO |
SCHEDULE 13D
|
CUSIP No. | L6388F110 |
1 |
Name of reporting person
Maya SAS | ||||||||
2 | Check the appropriate box if a member of a Group (See Instructions)
![]() ![]() | ||||||||
3 | SEC use only | ||||||||
4 |
Source of funds (See Instructions)
OO | ||||||||
5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
6 | Citizenship or place of organization
FRANCE
| ||||||||
Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
11 | Aggregate amount beneficially owned by each reporting person
70,470,018.00 | ||||||||
12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
13 | Percent of class represented by amount in Row (11)
42.2 % | ||||||||
14 | Type of Reporting Person (See Instructions)
CO |
SCHEDULE 13D
|
CUSIP No. | L6388F110 |
1 |
Name of reporting person
Xavier Niel | ||||||||
2 | Check the appropriate box if a member of a Group (See Instructions)
![]() ![]() | ||||||||
3 | SEC use only | ||||||||
4 |
Source of funds (See Instructions)
OO | ||||||||
5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
6 | Citizenship or place of organization
FRANCE
| ||||||||
Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
11 | Aggregate amount beneficially owned by each reporting person
70,470,018.00 | ||||||||
12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
13 | Percent of class represented by amount in Row (11)
42.2 % | ||||||||
14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
CUSIP No. | L6388F110 |
1 |
Name of reporting person
Jules Niel | ||||||||
2 | Check the appropriate box if a member of a Group (See Instructions)
![]() ![]() | ||||||||
3 | SEC use only | ||||||||
4 |
Source of funds (See Instructions)
OO | ||||||||
5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
6 | Citizenship or place of organization
FRANCE
| ||||||||
Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
11 | Aggregate amount beneficially owned by each reporting person
70,470,018.00 | ||||||||
12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
13 | Percent of class represented by amount in Row (11)
42.2 % | ||||||||
14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
CUSIP No. | L6388F110 |
1 |
Name of reporting person
John Niel | ||||||||
2 | Check the appropriate box if a member of a Group (See Instructions)
![]() ![]() | ||||||||
3 | SEC use only | ||||||||
4 |
Source of funds (See Instructions)
OO | ||||||||
5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
6 | Citizenship or place of organization
FRANCE
| ||||||||
Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
11 | Aggregate amount beneficially owned by each reporting person
70,470,018.00 | ||||||||
12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
13 | Percent of class represented by amount in Row (11)
42.2 % | ||||||||
14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
CUSIP No. | L6388F110 |
1 |
Name of reporting person
Elisa Niel | ||||||||
2 | Check the appropriate box if a member of a Group (See Instructions)
![]() ![]() | ||||||||
3 | SEC use only | ||||||||
4 |
Source of funds (See Instructions)
OO | ||||||||
5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
6 | Citizenship or place of organization
FRANCE
| ||||||||
Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
11 | Aggregate amount beneficially owned by each reporting person
70,470,018.00 | ||||||||
12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
13 | Percent of class represented by amount in Row (11)
42.2 % | ||||||||
14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
CUSIP No. | L6388F110 |
1 |
Name of reporting person
Joseph Niel | ||||||||
2 | Check the appropriate box if a member of a Group (See Instructions)
![]() ![]() | ||||||||
3 | SEC use only | ||||||||
4 |
Source of funds (See Instructions)
OO | ||||||||
5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
6 | Citizenship or place of organization
FRANCE
| ||||||||
Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
11 | Aggregate amount beneficially owned by each reporting person
70,470,018.00 | ||||||||
12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
13 | Percent of class represented by amount in Row (11)
42.2 % | ||||||||
14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
Item 1. | Security and Issuer | |
(a) | Title of Class of Securities:
Common Shares | |
(b) | Name of Issuer:
MILLICOM INTERNATIONAL CELLULAR SA | |
(c) | Address of Issuer's Principal Executive Offices:
148-150, BOULEVARD DE LA PETRUSSE, LUXEMBOURG,
LUXEMBOURG
, L-2330. | |
Item 1 Comment:
This Amendment No. 20 ("Amendment No. 20") to Schedule 13D relates to the Common Shares, par value $1.50 per share (the "Common Shares"), of Millicom International Cellular S.A., a Luxembourg company ("Issuer"), and amends and supplements the initial statement on Schedule 13D filed on February 24, 2023, as amended by Amendment No. 1 to the Schedule 13D filed on March 28, 2023, Amendment No. 2 to the Schedule 13D filed on April 26, 2023, Amendment No. 3 to the Schedule 13D filed on May 12, 2023, Amendment No. 4 to the Schedule 13D filed on May 25, 2023, Amendment No. 5 to the Schedule 13D filed on June 2, 2023, Amendment No. 6 to the Schedule 13D filed on July 24, 2023, Amendment No. 7 to the Schedule 13D filed on August 24, 2023, Amendment No. 8 to the Schedule 13D filed on October 2, 2023, Amendment No. 9 to the Schedule 13D filed on November 8, 2023, Amendment No. 10 to the Schedule 13D filed on January 17, 2024, Amendment No. 11 to the Schedule 13D filed on May 23, 2024, Amendment No. 12 to the Schedule 13D filed on July 3, 2024, Amendment No 13. to the Schedule 13D filed on July 22, 2024, Amendment No. 14 to the Schedule 13D filed on August 2, 2024, Amendment No. 15 to the Schedule 13D filed on August 26, 2024, Amendment No. 16 to the Schedule 13D filed on September 9, 2024, Amendment No. 17 to the Schedule 13D filed on October 11, 2024, Amendment No. 18 to the Schedule 13D filed on March 12, 2025, and Amendment No. 19 to the Schedule 13D filed on March 17, 2025 (as so amended, the "Schedule 13D"). Capitalized terms used but not defined in this Amendment No. 20 shall have the same meanings ascribed to them in the Schedule 13D. | ||
Item 2. | Identity and Background | |
(a) | Item 2(a) of the Schedule 13D is hereby amended and supplemented, as applicable, as follows:
As of August 11, 2025, as part of internal reorganizations, Atlas Investissement SAS was transferred under Holdco II SAS, a subsidiary of Iliad Holding SAS, and subsequently Iliad Holding SAS was renamed Maya SAS, Holdco II SAS was renamed Iliad Holding SAS, and Atlas SAS was merged into Atlas Investissement SAS. | |
Item 4. | Purpose of Transaction | |
Item 4 of the Schedule 13D is hereby amended and supplemented by adding the following:
On August 11, 2025, Atlas Investissement entered into European-style call spread option transactions (the "Transactions") with unaffiliated third party financial institutions. The Transactions provide Atlas Investissement with economic exposure to the Common Shares between the lower strike prices and upper strike prices for each respective call thereunder, each in respect of up to 1,111,111 Common Shares, with a premium, strike price and cap price based on pre-determined formulas, which take into account each financial institution's hedging activity (such strike and cap prices, as well as other variables of the Transactions, also subject to adjustments in certain circumstances). The Transactions are exercisable in 40 separate tranches of approximately equal size, with staggered expiration dates on successive trading days (subject to market disruption). The Transactions can be settled in Common Shares or cash subject to certain conditions.
The foregoing description of the Transactions is qualified in its entirety by reference to the Letter Agreements on Share Option Transaction, each of which is filed as Exhibit 22, 23 and 24, respectively, to the Schedule 13D and incorporated herein by reference. | ||
Item 5. | Interest in Securities of the Issuer | |
(a) | See Items 11 and 13 of each of the cover pages. | |
(b) | See Items 7 through 10 of each of the cover pages. | |
(c) | Except as described in Item 4 above, the Reporting Persons have not effected any transactions in Shares during the past sixty days. | |
Item 6. | Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer | |
Item 6 of the Schedule 13D is hereby amended and supplemented as follows:
The information set forth in Item 4 of this Amendment No. 20 is incorporated herein by reference. | ||
Item 7. | Material to be Filed as Exhibits. | |
Item 7 of the Schedule 13D is hereby amended by adding the following exhibits:
22. Letter Agreement on Share Option Transaction, dated August 11, 2025, by and between Atlas Investissement SAS and Credit Agricole Corporate and Investment Bank.
23. Letter Agreement on Share Option Transaction, dated August 11, 2025, by and between Atlas Investissement SAS and Societe Generale.
24. Letter Agreement on Share Option Transaction, dated August 11, 2025, by and between Atlas Investissement SAS and Natixis. |
SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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