Moore Duncan
SEC insider (Form 3/4/5 filer). CIK 0001888265. Director at GH Research PLC (GHRS) and 1 other issuer. 8 reported Form 4/5 transactions since Sep 2024; latest on Aug 11, 2026. Located in DUBLIN.
Companies Moore Duncan has filed insider reports for
- GH Research PLC (GHRS): Director
- ASP Isotopes Inc. (ASPI): Director
Moore Duncan
CIK: 0001888265
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)2 (25.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)6 (75.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (8 total)
- Aug 11, 2026GHRS
GH Research PLC
AwardDirectShare Options (Right to Buy)
2.2K shares- - Apr 16, 2026ASPI
ASP Isotopes Inc.
SaleDirect11.6K shares at avg. $5.21$61K - Dec 18, 2025ASPI
ASP Isotopes Inc.
AwardDirect36.5K shares- - Nov 12, 2025ASPI
ASP Isotopes Inc.
AwardDirect25.5K shares- - Aug 29, 2025ASPI
ASP Isotopes Inc.
SaleDirect75K shares at avg. $9.28$696K - Dec 9, 2024ASPI
ASP Isotopes Inc.
AwardDirect77.6K shares- - Dec 9, 2024ASPI
ASP Isotopes Inc.
AwardDirect95.2K shares- - Nov 20, 2024ASPI
ASP Isotopes Inc.
AwardDirect42.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 11, 2026 |  GHRS GH Research PLC | Award Share Options (Right to Buy) | 2,202 | - | - | Direct |
| Apr 16, 2026 |  ASPI ASP Isotopes Inc. | Sale | 11,642 | $5.21 | $60,597 | Direct |
| Dec 18, 2025 | ASPI ASP Isotopes Inc. | Award | 36,548 | - | $0 | Direct |
| Nov 12, 2025 | ASPI ASP Isotopes Inc. | Award | 25,469 | - | $0 | Direct |
| Aug 29, 2025 | ASPI ASP Isotopes Inc. | Sale | 75,000 | $9.28 | $696,233 | Direct |
| Dec 9, 2024 | ASPI ASP Isotopes Inc. | Award | 77,626 | - | $0 | Direct |
| Dec 9, 2024 | ASPI ASP Isotopes Inc. | Award | 95,238 | - | $0 | Direct |
| Nov 20, 2024 | ASPI ASP Isotopes Inc. | Award | 42,522 | - | $0 | Direct |
1-8 of 8 transactions