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Lantheus Holdings, Inc.

For the period ended Jun 30, 2026. Filed Aug 6, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 6, 2026

LNTH$101.01+0.4%Stored close · as of Nov 9, 2026

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Item 6. Exhibits

INCORPORATED BY REFERENCE
EXHIBITNUMBERDESCRIPTION OF EXHIBITSFORMFILENUMBEREXHIBITFILINGDATE
2.1††#Agreement and Plan of Merger, dated as of August 3, 2026, by and among Lantheus Holdings, Inc., Coco Merger Sub Inc. and Curium US Holdings LLC.8-K001-365692.1August 4, 2026
3.1Certificate of Amendment of Amended and Restated Certificate of Incorporation of Lantheus Holdings, Inc.8-K001-365693.1May 1, 2026
10.1+Lantheus Holdings, Inc. Amended and Restated 2026 Equity Incentive Plan.8-K001-3656910.1May 1, 2026
10.2*+Form of Restricted Stock Unit Award Agreement (Employee Time-Based Vesting) of Lantheus Holdings, Inc. under Amended and Restated 2026 Equity Incentive Plan.
10.3*+Form of Restricted Stock Unit Award Agreement (Relative Total Shareholder Return Performance-Based Vesting) of Lantheus Holdings, Inc. under Amended and Restated 2026 Equity Incentive Plan.
10.4*+Form of Stock Option Award Agreement (Time Vesting) of Lantheus Holdings, Inc. under Amended and Restated 2026 Equity Incentive Plan.
10.5*+Form of Restricted Stock Unit Award Agreement (Non-Management Director Time-Based Vesting) of Lantheus Holdings, Inc. under Amended and Restated 2026 Equity Incentive Plan.
10.6+Form of Transaction Bonus Agreement8-K001-3656910.1August 4, 2026
10.7+Form of Amended Severance Letter Agreement between Lantheus Holdings, Inc. and certain employees.8-K001-3656910.2August 4, 2026
31.1*Certification of Chief Executive Officer pursuant to Exchange Act Rule 13a-14(a).
31.2*Certification of Chief Financial Officer pursuant to Exchange Act Rule 13a-14(a).
32.1**Certification pursuant to 18 U.S.C. Section 1350.
101.INS*Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101.SCH*Inline XBRL Taxonomy Extension Schema With Embedded Linkbase Documents
104*Cover Page Interactive Data File (embedded within the Inline XBRL document)
  • Filed herewith.

** Furnished herewith.

  • Indicates management contract or compensatory plan or arrangement.

†† Portions of this exhibit have been omitted for confidential treatment pursuant to Item 601(b)(10)(iv) of Regulation S-K.

Pursuant to Item 601(b)(2)(ii) of Regulation S-K promulgated by the SEC, certain portions of this exhibit have been redacted because the Company customarily and actually treats such omitted information as private or confidential and because such omitted information is not material.

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