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Lantheus Holdings Inc

For the period ended Mar 31, 2025. Filed May 7, 2025.

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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.

Mar 31, 2025 · Filed May 7, 2025

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

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Item 5. Other Information

Rule 10b5-1 Trading Plans

On February 28, 2025, Paul Blanchfield, our President, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act (a “10b5-1 Plan”). The 10b5-1 Plan provides for the potential sale of up to 29,271 shares of our common stock between June 5, 2025, and March 6, 2026. Pursuant to the 10b5-1 Plan, Mr. Blanchfield will also make a gift of 659 shares of common stock on November 14, 2025.

On March 3, 2025, Mary Anne Heino, the Chairperson of our Board, entered into a 10b5-1 Plan providing for the potential sale of shares of our common stock in an amount necessary to attain approximately net sale proceeds of $2,000,000 between June 2, 2025, and June 13, 2025. The 10b5-1 Plan also provides for the potential sale of up to 70,142 shares of our common stock between August 8, 2025, and March 13, 2026.

On March 6, 2025, Daniel Niedzwiecki, our Chief Administrative Officer, General Counsel and Corporate Secretary, entered into a 10b5-1 Plan providing for the potential sale of up to 12,000 shares of our common stock between June 5, 2025, and July 7, 2025.

On March 10, 2025, Julie McHugh, amember of our Board, entered into a 10b5-1 Plan providing for the potential sale of up to 5,192 shares of our common stock on June 9, 2025.

On March 11, 2025, Samuel R. Leno, amember of our Board, entered into a 10b5-1 Plan providing for the potential sale of up to 14,307 shares of our common stock between June 11, 2025, and November 12, 2025.

On March 11, 2025, Robert Marshall, our CFO and Treasurer, entered into a 10b5-1 Plan providing for the potential sale of up to 39,773 shares of our common stock between June 9, 2025, and June 30, 2025.

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