Lantheus CCO Amanda Morgan to take personal leave

Lantheus Holdings, Inc. reported that its Chief Commercial Officer, Amanda Morgan, has informed the company that she is taking leave from the company for personal reasons, effective August 8, 2025.

Rhea-AI Filing Summary

Lantheus Holdings, Inc. reported that its Chief Commercial Officer, Amanda Morgan, has informed the company that she is taking leave from the company for personal reasons, effective August 8, 2025. The filing does not indicate any change to her title or name a replacement in this excerpt, only that she will be on leave. The update is presented as a leadership availability change rather than a broader strategic or financial event.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Lantheus Holdings (LNTH) disclose in this 8-K?

Lantheus Holdings disclosed that its Chief Commercial Officer, Amanda Morgan, will take leave from the company for personal reasons effective August 8, 2025.

What is the effective date of the Lantheus Chief Commercial Officer’s leave?

The leave of Chief Commercial Officer Amanda Morgan is effective on August 8, 2025.

Did Amanda Morgan resign from Lantheus Holdings (LNTH)?

The disclosure states that Amanda Morgan is taking leave from the company for personal reasons; it does not describe this as a resignation in the provided excerpt.

Does the 8-K name a replacement for the Lantheus Chief Commercial Officer?

In the provided excerpt, there is no mention of a replacement for the Chief Commercial Officer or any changes to other executive roles.

Who signed the Lantheus Holdings 8-K reporting the CCO’s leave?

The report was signed on behalf of Lantheus Holdings, Inc. by Daniel Niedzwiecki, Chief Administrative Officer and General Counsel.

Why is Lantheus Holdings’ Chief Commercial Officer taking leave?

The company states that Chief Commercial Officer Amanda Morgan is taking leave for personal reasons; no further detail is provided in the excerpt.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/11/2025 - 05:02 PM EDT Learn about SEC filing dates

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 7, 2025

LANTHEUS HOLDINGS, INC.

(Exact name of registrant as specified in its charter)

Delaware		001-36569		35-2318913
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

201 Burlington Road, South Building

Bedford, Massachusetts 01730

(Address of principal executive offices) (Zip code)

Registrant’s telephone number, including area code: (978) 671-8001

Not Applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common stock, par value $0.01 per share		LNTH		The Nasdaq Global Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Lantheus Holdings, Inc. (the “Company”) announces that Amanda Morgan, Chief Commercial Officer, has informed the Company that, effective August 8, 2025, she is taking leave from the Company for personal reasons.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

LANTHEUS HOLDINGS, INC.
By:		/s/ Daniel Niedzwiecki
Name:		Daniel Niedzwiecki
Title:		Chief Administrative Officer and General Counsel

Date: August 11, 2025