Sunrise posts Q2 2026 bond update for HoldCo IV

Sunrise Communications AG (SNNRF) reports that it has made available the bond report for the three months ended June 30, 2026 for its wholly owned subsidiary Sunrise HoldCo IV.

Rhea-AI Filing Summary

Sunrise Communications AG (SNNRF) reports that it has made available the bond report for the three months ended June 30, 2026 for its wholly owned subsidiary Sunrise HoldCo IV. The Q2 2026 Bond Report is accessible in the investor relations section of the company’s website.

Key Terms

foreign private issuer, Form 20-F, bond report, wholly owned subsidiary

4 terms

foreign private issuer regulatory

"FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

Form 20-F regulatory

"whether the registrant files or will file annual reports under cover of Form 20-F"

Form 20-F is the standardized annual disclosure that non-U.S. companies must file with the U.S. securities regulator when their shares are traded in the U.S.; it contains audited financial statements, a plain-language description of the business, management discussion, governance details and key risk factors. It matters to investors because it provides a consistent, comparable company “report card” and rulebook, helping buyers assess financial health, governance and risks before investing.

bond report financial

"made available the bond report for the three months ended June 30, 2026"

wholly owned subsidiary financial

"for the Company’s wholly owned subsidiary Sunrise HoldCo IV"

A wholly owned subsidiary is a company whose entire ownership is held by another company (the parent), so the parent controls decisions, operations, and finances. Think of it as a fully controlled branch that runs as its own legal entity but whose results flow straight into the parent’s financial statements; investors watch these structures because they affect consolidated revenue, risk exposure, and how profits, liabilities, and cash flow are allocated across the corporate group.

FAQ

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

What did Sunrise Communications AG (SNNRF) announce in this Form 6-K?

Sunrise Communications AG announced that it has made available the Q2 2026 Bond Report for its wholly owned subsidiary Sunrise HoldCo IV, covering the three months ended June 30, 2026, via the investor relations section of its website.

Which period does the Q2 2026 Bond Report for Sunrise Communications (SNNRF) cover?

The Q2 2026 Bond Report for Sunrise Communications’ subsidiary Sunrise HoldCo IV covers the three months ended June 30, 2026.

Where can investors find the Q2 2026 Bond Report for Sunrise Communications (SNNRF)?

The Q2 2026 Bond Report for Sunrise Communications’ wholly owned subsidiary Sunrise HoldCo IV is available on the company’s website in the investor relations section at www.sunrise.ch/en/corporate/investor-relations.

Which subsidiary of Sunrise Communications (SNNRF) is covered by the Q2 2026 Bond Report?

The Q2 2026 Bond Report relates to Sunrise Communications’ wholly owned subsidiary Sunrise HoldCo IV.

Does this Sunrise Communications (SNNRF) filing include detailed financial results?

No. The filing states that the Q2 2026 Bond Report is available on the company’s website but does not include the detailed financial results itself within this report.

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

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Available on EDGAR 08/25/2026 - 04:06 PM EDT Accepted by SEC EDGAR 08/25/2026 - 04:05 PM EDT Learn about SEC filing dates

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 August, 2026

Commission File Number: 001-42394

Sunrise Communications AG

(Exact name of registrant as specified in its charter)

Thurgauerstrasse 101b

8152 Glattpark (Opfikon), Switzerland

Tel: +41 58 777 76 66

(Address of principal executive office)

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 ☐

On August 25, 2026, Sunrise Communications AG (the “Company”) made available the bond report for the three months ended June 30, 2026 (the “Q2 2026 Bond Report”) for the Company’s wholly owned subsidiary Sunrise HoldCo IV. The Q2 2026 Bond Report can be found in the investor relations section of the Company’s website, www.sunrise.ch/en/corporate/investor-relations.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

SUNRISE COMMUNICATIONS AG
By:		/s/ Marcel Huber
		Name:		Marcel Huber
		Title:		General Counsel and Corporate Affairs Officer of Sunrise Communications AG

Date: August 25, 2026