Lantheus Holdings, INC Form 4 insider transactions

Director Gerard Ber of Lantheus Holdings, Inc. reported a transaction involving the acquisition of common stock.

Mary Anne Heino, Executive Chair and CEO of Lantheus Holdings, Inc., reported transactions involving common stock on May 14, 2026.

Director Julie McHugh acquired 4,137 shares of Lantheus Holdings common stock on May 14, 2026, increasing her direct beneficial ownership.

Lantheus Holdings Director Phuong Khanh Morrow acquired 4,137 shares of common stock on May 14, 2026.

Heinz Christoph Maeusli, a Director at Lantheus Holdings, Inc., acquired 4,137 shares of common stock on May 14, 2026.

Lantheus Holdings Director Sam R. Leno acquired 4,137 shares of common stock on May 14, 2026, increasing his direct beneficial ownership.

Director Gary Pruden acquired 4,137 shares of Lantheus Holdings common stock on May 14, 2026, increasing his direct beneficial ownership.

Director Minnie Baylor-Henry acquired 4,137 shares of Lantheus Holdings, Inc. common stock on May 14, 2026.

Lantheus Holdings Director Gerard Ber acquired 4,137 shares of common stock on May 14, 2026.

Lantheus Holdings Director James H. Thrall acquired 4,137 shares of common stock on May 14, 2026.

Director Julia Eastland acquired 4,137 shares of Lantheus Holdings common stock on May 14, 2026.

Daniel Niedzwiecki, Chief Administrative Officer and General Counsel of Lantheus Holdings, disposed of 1,911 shares to cover tax obligations.

Lantheus Holdings officer Daniel Niedzwiecki reported the vesting of performance-based restricted stock units and subsequent tax-related share disposition.

Lantheus Holdings' Chief Commercial Officer, Amanda Michelle Morgan, reported changes in her beneficial ownership of common stock, including the vesting of performance-based restricted stock units.

Lantheus Holdings, Inc. CFO Robert J. Marshall Jr. acquired additional common stock following the vesting of performance-based restricted stock units at 162.8% of target.

Lantheus Holdings, Inc. Executive Chair and CEO Mary Anne Heino acquired additional common stock through the vesting of performance-based restricted stock units, while also disposing of shares for tax purposes.

Lantheus Holdings, Inc.'s Chief Commercial Officer, Amanda Michelle Morgan, reported routine dispositions of common stock for tax withholding purposes.

Lantheus Holdings' Executive Chair, Mary Anne Heino, was granted 14,285 restricted stock units and 26,325 stock options, vesting in November 2026.

Lantheus Holdings' CFO, Robert J. Marshall Jr., reported a disposition of common stock for tax withholding purposes.

Farallon Capital Management affiliated funds significantly reduced their indirect beneficial ownership in Lantheus Holdings, Inc. through two large common stock sales in August 2025.

Farallon Partners, a 10% owner of Lantheus Holdings, Inc., reported significant sales of common stock totaling over 3.4 million shares in mid-August 2025.

Lantheus Holdings' Chief Accounting Officer, Kimberly Brown, disposed of 463 common shares to cover tax withholding obligations at a price of $54.18 per share.

Lantheus Holdings, Inc. granted its Head of Research and Development, Ludger Dinkelborg, 14,765 restricted stock units and 25,324 stock options.

Lantheus Holdings President Paul Blanchfield sold 3,060 shares of common stock for $53.57 per share, as part of a pre-arranged 10b5-1 trading plan.

Paul Blanchfield, President of Lantheus Holdings, Inc., reported a routine disposition of shares to cover tax withholding obligations.

Daniel Niedzwiecki, Chief Administrative Officer, General Counsel, and Corporate Secretary of Lantheus Holdings, Inc., sold 6,000 shares of common stock for approximately $472,440 on June 13, 2025, as part of a Rule 10b5-1 trading plan.

Lantheus Holdings, Inc. Director Julie McHugh sold 5,192 shares of common stock for $81.62 per share on June 9, 2025, as part of a pre-established Rule 10b5-1 trading plan.

Lantheus Holdings' CFO and Treasurer, Robert J. Marshall Jr., exercised stock options and subsequently sold a significant number of common shares on June 9, 2025, as part of a pre-established Rule 10b5-1 trading plan.

Lantheus Holdings, Inc. President Paul Blanchfield sold 6,599 shares of common stock for $79.65 per share on June 5, 2025, as part of a pre-established Rule 10b5-1 trading plan.

Daniel Niedzwiecki, Chief Administrative Officer of Lantheus Holdings, Inc., sold 6,000 shares of common stock for $79.65 per share on June 5, 2025, as part of a pre-arranged Rule 10b5-1 trading plan.