Lantheus Holdings, Inc.

LNTH·NASDAQ·$100.06Share Price as of 11/2·$7BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/06/26 10-QQ1 ended 03/31/2605/07/26 10-KFY 202502/26/26 10-QQ3 ended 09/30/2511/06/25 10-QQ2 ended 06/30/2508/06/25

Disclosures

8-KCurrent report10/22/26 8-KCurrent report10/14/26 8-KCurrent report10/02/26 8-KCurrent report09/21/26 8-KCurrent report08/06/26

Prospectuses and Registrations

S-8Registration of securities for employees09/02/26 S-8Registration of securities for employees08/21/24 S-8Registration of securities for employees05/16/23 S-8Registration of securities for employees05/12/22 S-8Registration of securities for employees08/04/21

Proxies

DEFA14AAdditional proxy materials10/02/26 DEFA14AAdditional proxy materials09/21/26 DEFA14AAdditional proxy materials09/17/26 DEFM14ADefinitive proxy (merger)09/08/26 PREM14APreliminary proxy (merger)08/26/26

Ownership

Form 4Insider transaction09/08/26 Form 4Insider transaction09/04/26 SC 13D/ABeneficial ownership (amended)09/04/26 Form 4Insider transaction09/03/26 Form 4Insider transaction09/02/26

Other

SDConflict Minerals disclosure05/29/26 ARSAnnual report to shareholders03/20/26 SDConflict Minerals disclosure05/30/25 ARSAnnual report to shareholders03/21/25 SDConflict Minerals disclosure05/31/24