Company: BLLN
Filing Date: 2025-12-10
Form Type: 10-Q
Source: 0001628280-25-056321
Chunk: 370

Company: BillionToOne, Inc.
Filing Date: 2025-12-10
Form: 10-Q
Item: Part I, Item 8
Chunk 370
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Diluted net income (loss) per share:Numerator:Net income (loss) attributable to common stockholders$1,507 $(14,904)$388 $(30,093)Denominator:Weighted-average shares used in calculating net income (loss) per share, basic10,429,583 10,107,487 10,376,253 10,049,097 Effect of dilutive securities:   Outstanding stock options 4,336,722 — 3,940,885 —    Warrants to purchase redeemable convertible preferred stock  8,798 — 8,616 —    Warrants to purchase common stock98,294 — 93,366 —    Restricted stock awards in exchange for non-recourse note698,552 — 698,245 — Weighted-average shares used in calculating net income (loss) per share, diluted15,571,949 10,107,487 15,117,365 10,049,097 Net income (loss) per share, diluted$0.10 $(1.47)$0.03 $(2.99)Potentially dilutive securities that were not included in the diluted per share calculations because they would be anti-dilutive were as follows for the three and nine months ended September 30, 2025 and 2024:Three Months EndedSeptember 30,Nine Months EndedSeptember 30,2025202420252024Redeemable convertible preferred stock29,084,23529,084,23529,084,23529,084,235Outstanding stock options-6,565,802-6,565,802Restricted stock awards in exchange for non-recourse note-700,000-700,000Warrants to purchase common stock-121,566-121,566Warrants to purchase redeemable convertible preferred stock-9,660-9,660Unvested early-exercised options-500-500

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Table of ContentsBillionToOne, IncNotes to Unaudited Interim Financial Statements

(14) Subsequent Events

On November 7, 2025, the Company closed its initial public offering (the “IPO”) of 5,233,765 shares of its Class A common stock, which includes the exercise in full by the underwriters of their option to purchase from the Company 682,665 shares of the Company’s Class A common stock,