RedHill Biopharma Ltd.

RedHill Biopharma Ltd._2026-06-30

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

of the Securities Exchange Act of 1934

For the month of September 2026

Commission File No.:001-35773

REDHILL BIOPHARMA LTD.

(Translation of registrant’s name into English)

21 Ha’arba’a Street, Tel Aviv, 6473921, Israel

(Address of principal executive offices)

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

Form 20-F ☒ Form 40-F ☐

Attached hereto and incorporated by reference herein are the following:

Exhibit 99.1: Registrant’s press release entitled “RedHill Biopharma Announces Operational Highlights and First Half 2026 Financial Results”.

Exhibit 99.2: Registrant’s condensed consolidated interim unaudited financial information as of June 30, 2026, and for the six months then ended.

This Form 6-K (other than the management comments in the second and third paragraphs of Exhibit 99.1) is hereby incorporated by reference into the Company’s Registration Statements on Form S-8 filed with the Securities and Exchange Commission on May 2, 2013 (Registration No. 333-188286), on October 29, 2015 (Registration No. 333-207654), on July 25, 2017 (Registration No. 333-219441), on May 23, 2018 (Registration No. 333-225122), on July 24, 2019 (File No. 333-232776), on March 25, 2021 (File No. 333-254692), on May 3, 2021 (File No. 333-255710), on January 11, 2022 (File No. 333-262099), on June 27, 2022 (File No. 333-265845), on June 29, 2023 (File No. 333-273001), on June 20, 2024 (File No. 333-280327), on March 25, 2025 (File No. 333-286082) and on January 22, 2026 (File No. 333-292879), and its Registration Statements on Form F-3 filed with the Securities and Exchange Commission on March 30, 2021 (File No. 333-254848), on August 4, 2023 (File No. 333-273709), October 13, 2023 (File No. 333-274957), as amended, on August 9, 2024 (File No. 333-281417) and on July 2, 2026 (File No. 333-297223).

SIGNATURES

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.

	REDHILL BIOPHARMA LTD.
	(the “Registrant”)

Date: September 30, 2026	By:	/s/ Dror Ben-Asher
	Name:	Dror Ben-Asher
	Title:	Chief Executive Officer