Company: BLLN
Filing Date: 2025-09-17
Form Type: DRS/A
Source: 0001193125-25-206347
Chunk: 382

Company: BillionToOne, Inc.
Filing Date: 2025-09-17
Form: DRS/A
Chunk 382
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 as well as revenue, gross margin and net
loss; this information is used by the CODM and compared to budgeted amounts in order for the CODM to make decisions on how resources should be allocated across the organization. The Company’s segment measure of profitability is net loss.

Segment revenues are derived from prenatal and oncology testing results, leveraging the Company’s diagnostic technology platform, which are delivered to
patients, who are the Company’s customer. The Company’s customers are predominantly located in the United States. Substantially all of the Company’s long-lived assets are located in the United States. The Company’s technology
platform is applied similarly in both the prenatal and oncology settings.

The financial statements provide the CODM with a view of the Company’s
financial condition as it pertains to the Company’s assets, liabilities and expenses. Significant expense categories align with the expense categories and amounts presented on the statements of operations.

F-47

BILLIONTOONE, INC. Notes to Unaudited Interim Financial Statements Recently Issued Accounting Pronouncements not yet Adopted In December 2023, the FASB issued ASU 2023-09,Income Taxes (Topic 740): Improvements to Income Tax Disclosures (“ASU 2023-09”),which expands income tax disclosure requirements to include additional information related to the rate reconciliation of effective tax rates to statutory rates, as well as additional disaggregation of taxes paid. This ASU also removed disclosure related to certain unrecognized tax benefits and deferred taxes. ASU 2023-09is effective for fiscal years beginning after December 15, 2024. This ASU may be applied prospectively or retrospectively, and early adoption is permitted. The Company is currently evaluating the impact of the adoption of this standard on the Company’s financial statement disclosures. In November 2024, the FASB issued ASU 2024-04,Debt – Debt with Conversion and Other Options (Subtopic 470-20):Induced Conversions of Convertible Debt Instruments. This ASU clarifies guidance on the requirements for determining whether certain settlements of convertible debt instruments should be accounted for as an induced conversion or extinguishment. This guidance is effective for the Company beginning on January 1, 2026, and early adoption is permitted, although the Company does not plan to early adopt. The Company is currently evaluating the impact of the adoption of this standard on the Company’s financial statement disclosures. In November 2024 and January 2025, the FAS