Company: BLLN
Filing Date: 2025-06-20
Form Type: DRS
Source: 0000950123-25-006095
Chunk: 19

Company: BillionToOne, Inc.
Filing Date: 2025-06-20
Form: DRS
Chunk 19
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-IPO Certificate of Incorporation and (ii) the date specified by a vote of the holders of Class B                                            
 common stock representing a majority of the outstanding shares of Class B common stock. In addition, each share of Class B common stock held by a Founder and such Founder’s permitted transferees will automatically convert into one 
 share of Class A common stock upon the earlier of (i) the date that is between 90 days and 270 days, as determined by our Board of Directors, after the death or incapacitation of such Founder or (ii) the date that is between 61    
 and 180 days, as determined by our Board of Directors, after the date on which such Founder is no longer serving as an officer or director of the Company. See the section titled “Description of capital stock—Common stock.”         |

| Directed share program | At our request, the underwriters have reserved up to 5% of the shares of Class A common stock being offered by this prospectus for sale, at the initial                                                                                             
 public offering price, to our officers, directors and employees through a directed share program. Shares purchased through the directed share program will not be subject to a lock-up restriction,                                                 
 except in the case of shares purchased by any of our directors or officers. We do not know if these parties will choose to purchase all or any portion of these reserved shares, but the number of shares of our Class A common stock available for 
 sale to the general public will be reduced to the extent these individuals or entities purchase such reserved shares. Any reserved shares that are not so purchased will be offered by the underwriters to the                                      |

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| general public on the same terms as the other shares offered by this prospectus. J.P. Morgan Securities LLC will administer our directed share program. See the section titled 
 “Underwriting–Directed share program” for additional information.                                                                                                              |

| Risk factors | See the section titled “Risk factors” for a discussion of factors that you should consider carefully before deciding to invest in our Class A common stock. |

| Proposed Nasdaq Global Market trading symbol | “BLLN” |

The number of shares of our common stock to be outstanding after this offering is based on shares of our Class A common stock and shares of our Class B common stock outstanding as of June 30, 2025, after giving effect to the Preferred Stock Conversion, the Reclassification and the Class B Stock Exchange (each as defined below), in each case as if they had occurred on