Julie Ryan's Form 3 Filing for GH Research PLC - Initial Statement of Beneficial Ownership

This is a Form 3 filing by Julie Ryan, VP of Finance at GH Research PLC, disclosing her initial statement of beneficial ownership in the company. The filing reports ownership of four separate share option grants totaling 247,987 ordinary shares. The options have varying exercise prices and vesting schedules, with expiration dates ranging from 2029 to 2032. One option grant for 50,487 shares is fully vested and exercisable at $12.32 per share, while the other three grants totaling 197,500 shares have nominal exercise prices of $0.025 per share and are subject to vesting schedules over three years. The filing includes a power of attorney authorizing designated individuals to file Forms 3, 4, and 5 on Ryan's behalf. The document was signed on April 1, 2026, with a reporting period ending March 18, 2026.