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 May, 2026.

Commission File Number: 001-40530

GH Research PLC

(Exact name of registrant as specified in its charter)

Joshua Dawson House

Dawson Street

Dublin 2

D02 RY95

Ireland

(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

INFORMATION CONTAINED IN THIS REPORT ON FORM 6-K

On May 13, 2026, GH Research PLC (the “Company”) made available to its shareholders a convening notice to the Company’s annual general meeting. The annual general meeting is expected to take place on June 25, 2026, at 1:30 P.M., Irish Standard Time at Joshua Dawson House, Dawson Street, Dublin 2, D02 RY95, Ireland.

EXHIBIT INDEX

Exhibit No.	Description
99.1	Notice of Annual General Meeting
99.2	Directors’ Report and 2025 Irish Statutory Financial Statements
99.3	Annual General Meeting Notice Regarding Agenda
99.4	Annual General Meeting Notice Regarding the Availability of Proxy Materials
99.5	Annual General Meeting Proxy Card (Record Holders)
99.6	Annual General Meeting Proxy Card (Brokers)

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.

	GH Research PLC
Date: May 13, 2026

	By:	/s/ Julie Ryan
	Name:	Julie Ryan
	Title:	Vice President, Finance

GH Research PLC 6-K