GH Research PLC (GHRS) director receives 2,202 options at $0.025 strike

Rhea-AI Filing Summary

GH Research PLC director Dermot John Hanley received a grant of share options covering 2,202 underlying ordinary shares on August 11, 2026. The options have an exercise price of $0.025 per share, are immediately fully vested, but are not exercisable until August 11, 2028, and expire on August 11, 2033. Following this grant, Hanley holds 2,202 share options directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Hanley Dermot John

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Share Options (Right to Buy) F1	2,202	$0.00	$0.00

Holdings After Transaction: Share Options (Right to Buy) — 2,202 shares (Direct)

Footnotes (1)

1. F1. The share options are immediately fully vested, but are not exercisable until August 11, 2028.

Key Figures

Options granted: 2,202 share options Exercise price: $0.025 per share Underlying shares: 2,202 ordinary shares +3 more

6 metrics

Options granted 2,202 share options Share options (right to buy) granted to director on August 11, 2026

Exercise price $0.025 per share Exercise price of granted share options

Underlying shares 2,202 ordinary shares Number of ordinary shares underlying the granted options

Total options after grant 2,202 share options Total share options held directly by Hanley following the transaction

Exercisable date August 11, 2028 Date from which the fully vested options become exercisable

Expiration date August 11, 2033 Scheduled expiration of the granted share options

Key Terms

Share Options (Right to Buy), exercise price, immediately fully vested, not exercisable until

4 terms

Share Options (Right to Buy) financial

"security_title: Share Options (Right to Buy)"

exercise price financial

"conversion_or_exercise_price: 0.0250"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

immediately fully vested financial

"The share options are immediately fully vested, but are not exercisable"

not exercisable until financial

"are immediately fully vested, but are not exercisable until August 11, 2028"

FAQ

What equity award did GHRS director Dermot John Hanley receive?

Dermot John Hanley received share options on 2,202 ordinary shares. The options were granted as a derivative award and are held directly following this transaction.

What is the exercise price of Dermot Hanley’s new GHRS share options?

The granted share options have an exercise price of $0.025 per share. This is the price at which Hanley may buy GH Research PLC ordinary shares once the options become exercisable.

When do Dermot Hanley’s GHRS share options become exercisable?

Although the options are immediately fully vested, they are not exercisable until August 11, 2028. Hanley cannot convert these options into ordinary shares before that date.

When do Dermot Hanley’s GHRS share options expire?

The granted share options are scheduled to expire on August 11, 2033. After that date, any unexercised options will lapse and can no longer be used to acquire ordinary shares.

How many GHRS share options does Dermot Hanley hold after this transaction?

After this grant, Dermot John Hanley directly holds 2,202 share options. Each option relates to one ordinary share of GH Research PLC, subject to the stated exercise terms.

Is Dermot Hanley’s GHRS option grant under a Rule 10b5-1 plan?

The filing indicates the Rule 10b5-1 checkbox is not marked as an affirmative plan. The transaction is reported as a grant/award acquisition, not as a trade under a 10b5-1 trading plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/13/2026 - 04:46 PM Accepted by SEC EDGAR 08/13/2026 - 04:46 PM Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hanley Dermot John

(Last) (First) (Middle)

C/O GH RESEARCH PLC, JOSHUA DAWSON HOUSE

DAWSON STREET

(Street)

DUBLIN D02 RY95

(City) (State) (Zip)

IRELAND

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2026

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

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

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

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Share Options (Right to Buy)	$0.025	08/11/2026		A		2,202		(1)	08/11/2033	Ordinary Shares	2,202	$0	2,202	D

Explanation of Responses:

1. The share options are immediately fully vested, but are not exercisable until August 11, 2028.

	/s/ Dermot Hanley	08/13/2026
	** 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 4 (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 4: SEC 1474 (03-26)