Lantheus Holdings LNTH Unrecognized Tax Benefits Income Tax Penalties Accrued

As of December 31, 2025 and 2024, total liabilities for uncertain tax positions, including interest and penalties, were $37.6 million and $9.4 million, respectively, consisting of uncertain tax positions of $35.5 million and $7.6 million, respectively, interest accruals of $2.1 million and $1.8 million, respectively, and no penalty accruals as of December 31, 2025 and 2024. The increase in uncertain tax positions during the year ended December 31, 2025 was primarily related to tax uncertainties recorded in purchase accounting related to the LMI Acquisition. As of December 31, 2025, $29.6 million and $8.0 million of these liabilities were recorded in other long-term liabilities and as a reduction of deferred tax assets, respectively. As of December 31, 2024, $1.4 million, $7.3 million and $0.7 million of these liabilities were recorded in current liabilities, other long-term liabilities, and as a reduction of deferred tax assets, respectively. As of December 31, 2025, the Company has $32.0 million of unrecognized tax benefits which would impact the effective tax rate if recognized.