Company: BLLN
Filing Date: 2025-10-07
Form Type: S-1
Source: 0001193125-25-233697
Chunk: 32

Company: BillionToOne, Inc.
Filing Date: 2025-10-07
Form: S-1
Chunk 32
---
 | Each share of our Class A common stock entitles its holder to one vote on all matters to be voted on by stockholders generally. Each share of our Class B common stock entitles its holder to 15 votes on all 
 matters to be voted on by stockholders generally.                                                                                                                                                             |

| Holders of our Class A common stock and Class B common stock will generally vote together as a single class, unless otherwise required by law or our amended and restated certificate of incorporation (the Post-IPO Certificate of Incorporation). |

15

| Oguzhan Atay, our Chief Executive Officer and Co-Founder, and David Tsao, our Chief Technology Officer and Co-Founders (each, a Founder, and together, the Co-Founders), will beneficially own 100% of our outstanding Class B common stock and, as a result, Drs. Atay and Tsao will beneficially own approximately   % and approximately 
 %, respectively, of the voting power of our outstanding capital stock immediately following this offering, assuming no exercise of the underwriters’ option to purchase additional shares of Class A common stock.                                                                                                                         |

| As a result, our Co-Founders may have significant influence over the outcome of matters submitted to our stockholders for approval, including the election of our                                                            
 directors and the approval of any change of control transaction. These risks are more fully described in the section titled “Risk factors.” For additional information, see the sections titled “Principal stockholders” and 
 “Description of capital stock.”                                                                                                                                                                                              |

| All of the outstanding shares of our Class B common stock will convert automatically on a one-for-one basis into shares of our                                                                                                         
 Class A common stock upon the earliest of (i) seven years from the date of filing the Post-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