Ludger Dinkelborg - 01 Aug 2025 Form 3 Insider Report for Lantheus Holdings, Inc. (LNTH)

Role: Head of Research and Development; Exhibit List: Exhibit 24 - Power of Attorney
Signature: /s/ Daniel Niedzwiecki, attorney-in-fact
Issuer symbol: LNTH
Transactions as of: 01 Aug 2025
Net transactions value: $0
Form type: 3
Filing time: 18 Aug 2025, 17:22:18 UTC
Next filing: 19 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Dinkelborg Ludger	Head of Research and Development; Exhibit List: Exhibit 24 - Power of Attorney	C/O LANTHEUS HOLDINGS, INC., 201 BURLINGTON ROAD, SOUTH BUILDING, BEDFORD	/s/ Daniel Niedzwiecki, attorney-in-fact	18 Aug 2025	0002082134

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	LNTH	Common Stock						0	01 Aug 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Remarks:

Head of Research and Development; Exhibit List: Exhibit 24 - Power of Attorney