Daniel Niedzwiecki - 17 Apr 2026 Form 4 Insider Report for Lantheus Holdings, Inc. (LNTH)

Reporting relationship: Chief Administrative Officer, General Counsel and Corporate Secretary
Issuer ticker: LNTH
Reported as of: 17 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 Apr 2026, 16:44:50 UTC
Prior SEC filing: 09 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Eric M. Green, attorney-in-fact

Key filing fact

Daniel Niedzwiecki filed Form 4 for Lantheus Holdings, Inc. (LNTH) on 21 Apr 2026.

Key facts

This page summarizes Daniel Niedzwiecki's Form 4 filing for Lantheus Holdings, Inc. (LNTH).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 21 Apr 2026, 16:44.

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

CIK 0001861113 Primary reporting owner

Relationship: Chief Administrative Officer, General Counsel and Corporate Secretary
Address: C/O LANTHEUS HOLDINGS, INC., 201 BURLINGTON ROAD, SOUTH BUILDING, BEDFORD
Signature: /s/ Eric M. Green, attorney-in-fact
Signature date: 21 Apr 2026

Shares, units, or other non-derivative securities reported in this filing.

LNTH transaction

Tax liability

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

SEC remarks

Chief Administrative Officer, General Counsel and Corporate Secretary