GH Research (GHRS) director discloses 14.8M Ordinary Shares in Form 3

Rhea-AI Filing Summary

GH Research PLC director Florian Schonharting has filed an initial ownership report showing direct holdings of 14,824,419 Ordinary Shares. This Form 3 does not report any recent purchases or sales; it simply records his existing ownership position in the company.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Schonharting Florian

Role Director

Type	Security	Shares	Price	Value
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Ordinary Shares — 14,824,419 shares (Direct)

Footnotes (1)

Key Figures

Ordinary Shares held: 14,824,419 shares

1 metrics

Ordinary Shares held 14,824,419 shares Total shares following reported holding entry

Key Terms

Ordinary Shares, Form 3, beneficial ownership

3 terms

Ordinary Shares financial

"security_title: "Ordinary Shares""

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

Form 3 regulatory

"INSIDER FILING DATA (Form 3):"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

beneficial ownership financial

"initial statement of beneficial ownership"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Schonharting Florian

(Last) (First) (Middle)

C/O GH RESEARCH PLC

JOSHUA DAWSON HOUSE, DAWSON STREET

(Street)

DUBLIN D02 RY95

(City) (State) (Zip)

IRELAND

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
04/01/2026

3. Issuer Name and Ticker or Trading Symbol
GH Research PLC [ GHRS ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares	14,824,419	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Florian Schonharting	04/01/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does GH Research (GHRS) director Florian Schonharting report on this Form 3?

He reports his existing ownership of 14,824,419 Ordinary Shares of GH Research PLC. Form 3 is an initial statement of beneficial ownership, so this filing records his position rather than reporting a new transaction.

Did Florian Schonharting buy or sell GHRS shares in this Form 3 filing?

No, the Form 3 does not show any buy or sell transaction. It only lists holdings of 14,824,419 Ordinary Shares, serving as an initial disclosure of his beneficial ownership as a director of GH Research PLC.

How many GH Research (GHRS) shares does Florian Schonharting directly own?

The filing indicates direct ownership of 14,824,419 Ordinary Shares following the reported entry. This figure reflects his beneficial ownership position as recorded in the Form 3, with no derivative securities listed in the accompanying data.

What is the significance of a Form 3 filing for GH Research (GHRS)?

Form 3 is an initial beneficial ownership report filed when someone becomes an insider, such as a director. It establishes the insider’s starting share position, here documenting 14,824,419 Ordinary Shares for Florian Schonharting at GH Research PLC.

Does this GH Research (GHRS) Form 3 include any derivative securities?

No, the derivative section is empty in this filing. The reported position consists solely of 14,824,419 Ordinary Shares held directly, with no options, warrants, or other derivative positions listed in the derivativeSummary data.