Company: BLLN
Filing Date: 2025-09-17
Form Type: DRS/A
Source: 0001193125-25-206347
Chunk: 269

Company: BillionToOne, Inc.
Filing Date: 2025-09-17
Form: DRS/A
Chunk 269
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 developments and evaluate the adequacy of our corporate governance practices and reporting; and |

| • |     | make recommendations regarding corporate governance matters to our Board of Directors. |

Our nominating and corporate governance committee will operate under a written charter that satisfies the applicable rules of the SEC and the listing standards of Nasdaq. Code of conduct Concurrently with this offering, we intend to adopt an amended and restated Code of Conduct applicable to all of our employees, executive officers, and directors. Following the completion of this offering, the Code of Conduct will be available on our website at https://billiontoone.com/. We expect that any amendments to the Code of Conduct, or any waivers of its requirements for directors and officers, will be disclosed on our website as required by applicable law or the listing standards of Nasdaq. The inclusion of our website address in this prospectus does not include or incorporate by reference into this prospectus the information on or accessible through our website. Compensation committee interlocks and insider participation None of our executive officers currently serves, or in the past year has served, as a member of the Board of Directors or compensation committee of any entity that has one or more executive officers serving on our Board of Directors or compensation committee. None of the members of our compensation committee is an officer or employee of our company, nor have they ever been an officer or employee of our company. Director compensation Drs. Atay and Tsao serve as our directors as well as our Chief Executive Officer and Chief Technology Officer, respectively. Neither of them has received any compensation for their service as directors for the year ended December 31, 2024. The compensation received by each of Drs. Atay and Tsao as employees is set forth in the section titled “Executive compensation—Summary compensation table.” 198

During the year ended December 31, 2024, we did not pay any fees to, make any equity awards or non-equity awards to, or pay any other compensation to the non-employee members of our Board of Directors, other than reimbursement of direct expenses incurred in connection
with attending meetings of our Board of Directors or its committees.

Non-employeedirector compensation policy

We intend to adopt a non-employee director compensation policy, pursuant to which our non-employee directors will be eligible to receive compensation for service on our Board of Directors and committees of our Board of Directors, to be effective following the completion of this offering.

199

Executive compensation Our named executive officers, which consist of our principal executive officer and our two