Recent Accounting Pronouncements

We consider the applicability and impact of any recent Accounting Standards Update (ASU) issued by the Financial Accounting Standards Board (FASB). Other than the ASUs listed below, all other ASUs were assessed and determined to be either not applicable to Atara or are expected to have minimal impact on our consolidated financial statements.

In December 2023, the FASB issued ASU No. 2023-09, Income Taxes (Topic 740) - Improvements to Income Tax Disclosures. This ASU enhances income tax disclosures by requiring, among other things, a tabular reconciliation of the effective tax rate with standardized categories and disclosure of percentage and dollar amounts for significant items, and annual disclosure of income taxes paid by jurisdiction, with a breakdown for significant individual jurisdictions. It also requires disaggregation of income and related tax expense by domestic and foreign components and eliminates certain existing disclosures. ASU 2023-09 is effective for annual periods beginning after December 15, 2024. We adopted ASU 2023-09 "Income Taxes (Topic 740): Improvements To Income Tax Disclosures" on a prospective basis beginning with the year ended December 31, 2025. (See Note 11 - "Income Taxes").

In November 2024, the FASB issued ASU No. 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40), which requires disclosure of additional information about specific expense categories underlying certain income statement expense line items. This ASU is effective for our fiscal years beginning after December 15, 2026, and for interim periods beginning after December 15, 2027, with early adoption permitted. The company is currently evaluating the impact of adopting ASU 2024-03.

Historical Timeline

Fiscal YearFiled
2025Mar 16, 2026Showing above
2024Mar 7, 2025
2023Mar 28, 2024
2022Feb 8, 2023
2021Feb 28, 2022
2020Mar 1, 2021
2019Feb 27, 2020
2018Feb 26, 2019
2017Feb 27, 2018
2016Mar 9, 2017
2015Mar 4, 2016

About New Standards Disclosures

New accounting standards disclosures describe recently adopted pronouncements and those not yet effective, along with management's assessment of their expected impact. This section provides an early warning system for upcoming changes to how a company reports its financial results, often years before the new rules take effect.

Key signals: when management describes a not-yet-adopted standard's impact as "material" or "still being evaluated," it signals potential significant changes to reported metrics upon adoption. Watch for standards that affect a company's core operations — for example, revenue recognition changes for software companies or lease accounting changes for retailers with large store footprints. The transition method chosen (full retrospective versus modified retrospective) affects comparability with prior periods. Companies that delay adoption to the latest permitted date may be struggling with implementation complexity. Compare the disclosed impact assessments against peers in the same industry to gauge whether management's expectations are reasonable.