| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Pruden Gary J | Director | C/O LANTHEUS HOLDINGS, INC., 201 BURLINGTON ROAD, SOUTH BUILDING, BEDFORD | /s/ Eric M. Green, attorney-in-fact | 16 May 2025 | 0001673416 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LNTH | Common Stock | Award | $0 | +2,537 | +96% | $0.000000 | 5,172 | 14 May 2025 | Direct | |
| transaction | LNTH | Common Stock | Gift | $0 | -2,635 | -51% | $0.000000 | 2,537 | 15 May 2025 | Direct | F1 |
| transaction | LNTH | Common Stock | Gift | $0 | +2,635 | +22% | $0.000000 | 14,613 | 15 May 2025 | By the Gary J. Pruden Revocable Trust | F1 |
| holding | LNTH | Common Stock | 8,449 | 14 May 2025 | By the Georgeane Pruden Revocable Trust |
| 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 | +4,543 | $0.000000 | 4,543 | 14 May 2025 | Common Stock | 4,543 | $78.81 | Direct |
| Id | Content |
|---|---|
| F1 | On May 15, 2025, the reporting person transferred 2,635 shares of LNTH common stock to the Gary J Pruden Revocable Trust for no consideration. The reporting person and his spouse are trustees of the trust, and the reporting person's children are the sole beneficiaries of the trust. The reporting person remains the beneficial owner of the securities held by the trust. |