Income Taxes
Income tax expense/(benefit) consisted of the following for the years ended December 31, 2025, 2024, and 2023 (in thousands):
Years ended December 31,
202520242023
Current tax expense:
Federal$3,695 $44,082 $36,277 
State10,757 11,633 12,888 
Total current tax expense14,452 55,715 49,165 
Provisions for uncertain tax expense
Deferred tax (benefit):
Federal42,064 (53,032)(53,382)
State3,158 (6,103)(8,283)
Total deferred tax benefit45,222 (59,135)(61,665)
Income tax benefit$59,674 $(3,420)$(12,500)
The reconciliation between the statutory income tax rate and the effective income tax rate for the years ended December 31, 2025, 2024, and 2023 are as follows:
Years ended December 31,
202520242023
Book Income$171,763 $(22,545)$(63,834)
U.S. Federal Tax At Statutory Rate36,071 21 %(4,735)21 %(13,309)21 %
State & local income tax, net of federal tax effect (a)11,459 %2,836 (13)%2,893 (5)%
Effects of changes in tax laws— %— %— %
Tax Credits
   Purchased Tax Credits(976)(1)%— %— %
   Research and development tax credit(1,711)(1)%(2,108)%(1,885)%
Nontaxable or nondeductible items
   Stock based compensation8,214 %(942)%— %
   Nondeductible compensation4,663 %— %— %
   Transaction Costs1,561 %— %— %
Change in Uncertain Tax Liability(279)%1,241 (6)%281 %
Other, net672 %288 (1)%(480)%
Effective Tax Rate$59,674 35 %$(3,420)15 %$(12,500)20 %
(a) During the year ended December 31, 2025, local taxes in Louisville, KY and state taxes in Pennsylvania, Tennessee, California, Minnesota, and New York comprised greater than 50% of the effect in this category.
The tax effects of temporary differences that gave rise to significant portions of the deferred tax assets and deferred tax liabilities at December 31, 2025 and 2024 are as follows (in thousands):
December 31,
20252024
Deferred tax assets:
State tax credits$827 $827 
Federal tax credits4,176 — 
Accrued bonus7,985 5,148 
Stock based compensation16,538 30,022 
Accrued revenue, expenses, deferrals and other 3,614 2,607 
Deferred revenue3,857 2,129 
Interest Expense105,123 105,353 
Interest Rate Swap186 — 
Other19 
Capitalized Research and Development Expenditures6,171 20,557 
Right-of-use Liability4,484 4,703 
Depreciation of property and equipment— 1,755 
Net operating loss18,603 15,599 
Valuation Allowance(2,610)(1,056)
Total deferred tax assets$168,973 $187,648 
Deferred tax liabilities:
Depreciation of property and equipment4,493 — 
Transaction Costs36 26 
Amortization346,194 262,026 
Other prepaid expenses2,920 2,270 
Right-of-use Asset3,230 2,717 
Interest Rate Swap— 283 
Deferred costs23,420 20,849 
Total deferred liabilities380,293 288,171 
Net deferred tax liability$(211,320)$(100,523)
The following is a reconciliation of beginning and ending unrecognized tax benefits, including associated interest and penalties for the years ended December 31, 2025 and 2024 (in thousands):
December 31,
20252024
Beginning balance$4,335 $3,094 
Additions based on tax positions related to the current year— 1,265 
Reductions based on tax positions related to the current year— (24)
Reductions for tax positions in prior years(279)— 
Ending balance$4,056 $4,335 
The following presents the cash paid for income taxes for the years ended December 31, 2025, 2024, and 2023 (in thousands):
Years ended December 31,
202520242023
Federal (a)$18,971 $41,500 $34,095 
Aggregated state and local jurisdictions9,352 8,997 12,555 
Disaggregated state and local jurisdictions
California1,820 — (b)— (b)
Louisville, KY1,579 — (b)3,460 
Net cash paid for income taxes$31,721 $50,497 $50,110 
(a) Includes amounts paid to purchase transferable tax credits of $15 million during the year ended December 31, 2025
(b) Jurisdiction below the threshold for the period presented
As of December 31, 2025 and 2024, the amount of unrecognized tax benefits that would impact the effective tax rate if recognized was $4.0 million and $4.3 million, respectively. During the years ended December 31, 2025, 2024, and 2023, we recognized $0.4 million, $0.2 million, and $0 million expense for interest and penalties related to unrecognized tax benefits. The above unrecognized tax benefits are recorded as an increase in the deferred tax liability in the accompanying balance sheet. Years 2021 to 2024 remain open to examination by federal, state, or local tax authorities.
As of December 31, 2025, we had net operating loss (“NOL”) carryforwards, consisting of approximately $4.3 million of tax effected Federal NOLs that expire beginning in 2032 and $14.4 million of tax effected state NOLs net of federal benefit that expire beginning in 2029, limited under provisions of Internal Revenue Code Section 382.
The following table details the changes in the valuation allowance for the years ended December 31, 2025 and 2024 (in thousands):
Valuation Allowance
December 31, 2025
Beginning balance$1,056 
Increase/(decrease)130 
Acquisitions1,424 
Ending balance2,610 
December 31, 2024
Beginning balance$197 
Increase/(decrease)859 
Ending balance$1,056 
As of December 31, 2025, we have a partial valuation allowance on our state credits of $0.2 million as well as a partial valuation allowance on certain state net operating loss carryforwards of $1.0 million. As part of the Iodine acquisition, we recorded a partial valuation allowance on federal credits of $1.4 million.

Historical Timeline

Fiscal YearFiled
2025Feb 17, 2026Showing above
2024Feb 18, 2025

About Income Taxes Disclosures

The income tax disclosure reveals how much a company actually pays in taxes versus what the statutory rate would predict. Analysts focus on the effective tax rate (ETR) reconciliation, which breaks down every item driving the gap between the 21% federal rate and the company's reported ETR — including R&D credits, foreign rate differentials, and state taxes. Deferred tax assets (DTAs) and their valuation allowances signal management's confidence in future profitability: a rising allowance suggests the company doubts it can use accumulated tax benefits. Uncertain tax benefit (UTB) reserves quantify exposure to IRS challenges on aggressive positions.

Key signals to watch: sudden ETR drops without clear operational reasons, large increases in valuation allowances, growing UTB balances, and significant unremitted foreign earnings. Post-TCJA, pay attention to GILTI and BEAT provisions that affect multinational tax structures. Compare the cash taxes paid (from the cash flow statement) against the income tax provision to gauge earnings quality.