Magnus Clemensen Halle - 18 Mar 2026 Form 3 Insider Report for GH Research PLC (GHRS)

Reporting relationship: Managing Director, Ireland
Issuer ticker: GHRS
Reported as of: 18 Mar 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 02 Apr 2026, 17:35:50 UTC
Source filing: View source filing
Reporting owner signature: /s/ Magnus Halle

Key filing fact

Magnus Clemensen Halle filed Form 3 for GH Research PLC (GHRS) on 02 Apr 2026.

Key facts

This page summarizes Magnus Clemensen Halle's Form 3 filing for GH Research PLC (GHRS).
0 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 02 Apr 2026, 17:35.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0002126830 Primary reporting owner

Halle Magnus Clemensen

Relationship: Managing Director, Ireland
Address: C/O GH RESEARCH PLC, JOSHUA DAWSON HOUSE, DAWSON STREET, DUBLIN, IRELAND
Signature: /s/ Magnus Halle
Signature date: 01 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GHRS holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 118,354
Date: 18 Mar 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GHRS holding Derivative

Share Options (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 17,500
Exercise price: $0.0250
Footnotes: F1

GHRS holding Derivative

Share Options (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 150,000
Exercise price: $0.0250
Footnotes: F2

GHRS holding Derivative

Share Options (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 50,000
Exercise price: $0.0250
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The share options vested as to 25% on April 27, 2024, and the remaining share options vest in equal monthly installments for three years thereafter.

Footnote F2

The share options vested as to 25% on November 25, 2025, and the remaining share options vest in equal monthly installments for three years thereafter.

Footnote F3

The share options vest as to 25% on May 16, 2026, and the remaining share options vest in equal monthly installments for three years thereafter.