Company: GHRS
Filing Date: 2025-02-06
Form Type: 6-K
Source: 0000950103-25-001704
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Company: GH Research PLC
Filing Date: 2025-02-06
Form: 6-K
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<div align='center'>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 February, 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:</div>

| Form 20-F | ☒ | Form 40-F |

<div align='center'>INFORMATION CONTAINED IN THIS REPORT ON FORM 6-K</div>

On February 6, 2025, GH Research PLC (the “Company”) completed
an offering of 10,000,000 ordinary shares, pursuant to an underwriting agreement (the “Underwriting Agreement”) with Cantor
Fitzgerald & Co. and Stifel, Nicolaus & Company, Incorporated, as representatives of the several underwriters. In addition, the
Company granted the underwriters an option, exercisable for 30 days following the date of the Underwriting Agreement, to purchase up to
1,500,000 additional ordinary shares. The Underwriting Agreement includes the terms and conditions for the offering and sale of the ordinary
shares, indemnification and contribution obligations, and other terms and conditions customary in agreements of this type. The foregoing
description of the Underwriting Agreement does not purport to be complete and is qualified in its entirety by reference to the Underwriting
Agreement, which is attached to this Report on Form 6-K as Exhibit 1.1.

The offer and sale of the ordinary shares have been registered under
the Securities Act of 1933, as amended, pursuant to a registration statement on Form F-3 (File No. 333-270418) (the “Registration
Statement”). The Company has filed with the U.S. Securities and Exchange Commission a preliminary prospectus supplement dated February
3, 2025 and a final prospectus supplement dated February 4, 2025, together with an accompanying prospectus dated March 17, 2023, relating