Daniel Niedzwiecki - 05 Mar 2026 Form 4 Insider Report for Lantheus Holdings, Inc. (LNTH)

Role
Chief Administrative Officer, General Counsel and Corporate Secretary
Signature
/s/ Eric M. Green, attorney-in-fact
Issuer symbol
LNTH
Transactions as of
05 Mar 2026
Net transactions value
$0
Form type
4
Filing time
09 Mar 2026, 17:06:05 UTC
Previous filing
04 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Niedzwiecki Daniel Chief Administrative Officer, General Counsel and Corporate Secretary C/O LANTHEUS HOLDINGS, INC., 201 BURLINGTON ROAD, SOUTH BUILDING, BEDFORD /s/ Eric M. Green, attorney-in-fact 09 Mar 2026 0001861113

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction LNTH Common Stock Award +36,692 +44% $0.000000* 120,659 05 Mar 2026 Direct F1
transaction LNTH Common Stock Tax liability -1,283 -1.1% $76.31* 119,376 05 Mar 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Consists of 18,346 restricted stock units that vest in equal installments over a three-year period and 18,346 Total Shareholder Return performance-based restricted stock units ("PSUs") that cliff vest following a three-year performance period. The amount of PSUs included in this Report reflects the target award; however, the ultimate award size can range from 0% to 200% of the target based on the actual performance achieved at the end of the performance period.

Remarks:

Chief Administrative Officer, General Counsel and Corporate Secretary