I Intelsat SA

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 or 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of June 2019

001-35878

(Commission File Number)

Intelsat S.A.

(Translation of registrant’s name into English)

4 rue Albert Borschette

Luxembourg

Grand-Duchy of Luxembourg

L-1246

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F    ☒                Form 40-F    ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ☐

Intelsat Jackson Holdings S.A. Senior Notes Offering

On June 6, 2019, Intelsat S.A. (the “Company”) issued a press release announcing that Intelsat Jackson Holdings S.A. (“Intelsat Jackson”), an indirect wholly-owned subsidiary of the Company, had priced its previously announced private offering of $400 million aggregate principal amount of 9.750% senior notes due 2025 (the “Notes”), which represents an increase of $100 million from the previously announced $300 million offering. A copy of the press release is filed as Exhibit 99.1 hereto and is incorporated by reference herein.

This Report on Form 6-K (including exhibits hereto) is hereby incorporated by reference into the confidential offering memorandum of Intelsat Jackson, dated June 6, 2019, relating to the offer and sale of the Notes.