Company: BLLN
Filing Date: 2025-09-17
Form Type: DRS/A
Source: 0001193125-25-206347
Chunk: 112

Company: BillionToOne, Inc.
Filing Date: 2025-09-17
Form: DRS/A
Chunk 112
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 market price of our Class A common stock. 67

Risks related to this offering and our Class A common stock No public market for our Class A common stock currently exists, and an active public trading market may not develop or be sustained following this offering. Prior to this offering, there has been no public market for our Class A common stock. An active public trading market for our Class A common stock may not develop following the completion of this offering or, if developed, it may not be sustained. The lack of an active market may impair your ability to sell your shares at the time you wish to sell them or at a price that you consider reasonable. The initial public offering price of our Class A common stock will be determined by negotiations between us and the underwriters and may not be indicative of prices that will prevail in the open market following the completion of this offering. The market price of our Class A common stock may decline below the initial public offering price, and you may not be able to resell your shares of our Class A common stock at or above the initial offering price, or at all. The lack of an active trading market may also reduce the fair value of your shares. An inactive market may also impair our ability to raise capital by selling shares of our Class A common stock. The market price for our Class A common stock may be volatile or may decline regardless of our operating performance, and you may not be able to resell your shares at or above the initial public offering price. The market price of our Class A common stock may be highly volatile and may fluctuate or decline substantially as a result of a variety of factors, many of which are beyond our control, including:

| • |     | actual or anticipated changes or fluctuations in our results of operations; |

| • |     | market speculation involving us or other companies in our industry; |

| • |     | investor perceptions of us and the industry in which we operate or our failure to meet the expectations of investors; |

| • |     | price and volume fluctuations in the overall stock market from time to time; |

| • |     | actual or anticipated developments in our business or our competitors’ businesses or the competitive landscape 
 generally;                                                                                                     |

| • |     | litigation involving us, other companies in our industry or both, or investigations by regulators into our operations or 
 those of our competitors;                                                                                                |

| • |     | developments or disputes concerning our or third-party intellectual property or proprietary rights; |

| • |     | announced or completed acquisitions of