| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Dinkelborg Ludger | Head of Research and Development | C/O LANTHEUS HOLDINGS, INC., 201 BURLINGTON ROAD, SOUTH BUILDING, BEDFORD | /s/ Eric M. Green, attorney-in-fact | 19 Aug 2025 | 0002082134 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LNTH | Common Stock | Award | $0 | +14,765 | $0.000000 | 14,765 | 15 Aug 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LNTH | Stock Option (right to buy) | Award | $0 | +25,324 | $0.000000 | 25,324 | 15 Aug 2025 | Common Stock | 25,324 | $54.18 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Consists of 14,765 restricted stock units that vest in equal installments over a three-year period. |
| F2 | The option vests in three equal annual installments beginning on August 15, 2026. |
Head of Research and Development