Daniel Niedzwiecki

Companies

• Lantheus Holdings, Inc.Officer May 10, 2021 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• LLantheus Holdings, Inc. LNTH117,465 shares²$11.8M at $100.03Apr 17, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Apr 17, 2026Shares withheld for tax 1,911 shares at $83.82 of Lantheus Holdings, Inc.²
• Mar 5, 2026Shares withheld for tax 1,283 shares at $76.31 of Lantheus Holdings, Inc.³
• Mar 5, 2026Granted 36,692 shares of Lantheus Holdings, Inc.³
• Mar 2, 2026Shares withheld for tax 8,259 shares at $76.30 of Lantheus Holdings, Inc.⁴
• Mar 2, 2026Granted 5,169 shares of Lantheus Holdings, Inc.⁴
• Jun 13, 2025Sold 6,000 shares at $78.74 of Lantheus Holdings, Inc.⁵
• Jun 5, 2025Sold 6,000 shares at $79.65 of Lantheus Holdings, Inc.⁶
• Apr 17, 2025Shares withheld for tax 178 shares at $101.32 of Lantheus Holdings, Inc.⁷
• Mar 5, 2025Granted 23,884 shares of Lantheus Holdings, Inc.⁸
• Mar 3, 2025Shares withheld for tax 12,907 shares at $94.86 of Lantheus Holdings, Inc.⁹
• Mar 3, 2025Granted 10,514 shares of Lantheus Holdings, Inc.⁹
• Aug 14, 2024Sold 2,500 shares at $97.54 of Lantheus Holdings, Inc.¹⁰
• May 30, 2024Sold 12,873 shares at $79.86 of Lantheus Holdings, Inc.¹¹
• May 17, 2024Shares withheld for tax 1,466 shares at $79.67 of Lantheus Holdings, Inc.¹²
• Apr 17, 2024Shares withheld for tax 177 shares at $61.48 of Lantheus Holdings, Inc.¹³
• Mar 5, 2024Shares withheld for tax 8,457 shares at $65.36 of Lantheus Holdings, Inc.¹⁴
• Mar 4, 2024Granted 6,466 shares of Lantheus Holdings, Inc.¹⁵
• Mar 1, 2024Granted 30,456 shares of Lantheus Holdings, Inc.¹⁵
• Sep 15, 2023Sold 2,846 shares at $66.43 of Lantheus Holdings, Inc.¹⁶
• Sep 15, 2023Exercised options 2,846 shares at $17.79 of Lantheus Holdings, Inc.¹⁶
• Aug 11, 2023Sold 4,297 shares at $67.93 of Lantheus Holdings, Inc.¹⁷
• May 18, 2023Shares withheld for tax 1,466 shares at $97.97 of Lantheus Holdings, Inc.¹⁸
• May 11, 2023Sold 6,113 shares at $98.82 of Lantheus Holdings, Inc.¹⁹
• Apr 17, 2023Granted 3,301 shares of Lantheus Holdings, Inc.²⁰
• Mar 7, 2023Sold 1,055 shares at $72.15 of Lantheus Holdings, Inc.²¹