Company: BLLN
Filing Date: 2025-06-20
Form Type: DRS
Source: 0000950123-25-006095
Chunk: 243

Company: BillionToOne, Inc.
Filing Date: 2025-06-20
Form: DRS
Chunk 243
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 common stock: Class A common stock and Class B common stock. The rights of the holders of our Class A common stock and our Class B common stock are identical, except with respect to voting, conversion and transfer rights. As of June 30, 2025, after giving effect to (i) the Preferred Stock Conversion, (ii) the Reclassification, (iii) the Class B Stock Exchange, as if each event had occurred on June 30, 2025, we had outstanding shares of Class A common stock and shares of Class B common stock. Dividend rights Subject to preferences that may apply to shares of preferred stock outstanding at the time, the holders of outstanding shares of our Class A common stock and Class B common stock are entitled to receive dividends out of funds legally available if our Board of Directors, in its discretion, determines to issue dividends and only then at the times and in the amounts that our Board of Directors may determine. See the section titled “Dividend policy” for more information. Voting rights Holders of our Class A common stock will be entitled to one vote and holders of our Class B common stock will be entitled to 10 votes for each share held on all matters submitted to a vote of stockholders. The holders of our Class A common stock and Class B common stock will vote together as a single class, unless otherwise required by law or our Post-IPOCertificate of Incorporation. Delaware law could require either holders of our Class A common stock or Class B common stock to vote separately as a single class in the following circumstances:

| • |     | if we were to seek to amend our Post-IPO Certificate of Incorporation to increase                                                                      
 or decrease the par value of a class of our capital stock, then that class would be required to vote separately to approve the proposed amendment; and |

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| • |     | if we were to seek to amend our Post-IPO Certificate of Incorporation in a manner                                                                                                                                                          
 that alters or changes the powers, preferences, or special rights of a class of our capital stock in a manner that affected its holders adversely, then that class would be required to vote separately to approve the proposed amendment. |

The holders of our Class A common stock and our Class B common stock will not have cumulative voting rights in the election of directors. Conversion rights Holders of our Class A common stock will have no conversion rights. Each outstanding share of our Class B common stock will be convertible at any time at the option of the holder into one share of our Class A common