MOORE DUNCAN enters GH RESEARCH PLC with 14.60K shares plus derivative instruments

Holding both equity and derivatives at entry signals strong long-term conviction in the company.

Direct Derivatives

MOORE DUNCAN

Filed: 4/17/2026ACC: 0001140361-26-015418

InsiderMOORE DUNCANCIK 1888265

→

IssuerGH RESEARCH PLCCIK 1855129

Director

Since Mar 2026

14.60K

Baseline shares

100% direct

14.60K

Direct ownership

1 position

72.34K

Derivative underlying

5 instruments

Security positions

All direct

Non-Derivative Holdings1

Ordinary Shares

Direct

Shares owned14.60K

Total

14.60K direct14.60K

Security Title	Shares Owned	Ownership Type
Ordinary Shares	14.60K	Direct
Total	14.60K	14.60K direct

Derivative Holdings5

Share Options (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

6.63K

Shares owned

N/A

Exercise price

0.025

Expiration

—

Exercise window

—

Share Options (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

4.67K

Shares owned

N/A

Exercise price

0.025

Expiration

—

Exercise window

—

Share Options (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

50K

Shares owned

N/A

Exercise price

0.025

Expiration

—

Exercise window

—

Share Options (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

5.51K

Shares owned

N/A

Exercise price

0.025

Expiration

—

Exercise window

—

Share Options (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

5.53K

Shares owned

N/A

Exercise price

0.025

Expiration

—

Exercise window

—

Total

Underlying

72.34K

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Share Options (Right to Buy) Direct	Ordinary Shares	0.025	—	—	6.63K	N/A
Share Options (Right to Buy) Direct	Ordinary Shares	0.025	—	—	4.67K	N/A
Share Options (Right to Buy) Direct	Ordinary Shares	0.025	—	—	50K	N/A
Share Options (Right to Buy) Direct	Ordinary Shares	0.025	—	—	5.51K	N/A
Share Options (Right to Buy) Direct	Ordinary Shares	0.025	—	—	5.53K	N/A
Total					72.34K	0.00