[6-K] GH Research PLC Current Report (Foreign Issuer)

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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 October 2025.

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  ☐

GH Research PLC (the “Company”) announces its participation at the 38^th European College of Neuropsychopharmacology (ECNP) annual meeting, which is scheduled to take place from October 11-14, 2025, in Amsterdam, the Netherlands.

A copy of the press release is attached hereto as Exhibit 99.1.

The fact that this press release is being made available should not be deemed an admission as to the materiality of any information contained therein. The information contained in the press release is being provided as of October 9, 2025, and the Company does not undertake any obligation to update the press release in the future or to update forward-looking statements to reflect subsequent actual results.

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EXHIBIT INDEX

99.1 Press release dated October 9, 2025

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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: October 9, 2025
	By:	/s/ Julie Ryan
	Name:	Julie Ryan
	Title:	Vice President, Finance

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