Company: BLLN
Filing Date: 2025-06-20
Form Type: DRS
Source: 0000950123-25-006095
Chunk: 235

Company: BillionToOne, Inc.
Filing Date: 2025-06-20
Form: DRS
Chunk 235
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We have entered into an Amended and Restated Voting Agreement by and between the Company and certain holders of our redeemable convertible preferred stock, dated
May 14, 2024 (the Voting Agreement), including entities with which certain of our directors are affiliated. Under the Voting Agreement, certain holders of our capital stock have agreed as to the manner in which they will vote their shares of
our capital stock on certain matters, including with respect to the election of directors. The Voting Agreement will terminate upon the completion of this offering, at which time there will be no further contractual obligations regarding the manner
in which shares are voted with respect to the election of our directors.

Right of first refusal and co-saleagreement

We have entered into an Amended and Restated Right of First Refusal and Co-Sale Agreement by and between the Company and
certain holders of our redeemable convertible preferred stock, dated May 14, 2024 (the

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ROFR), including entities with which certain of our directors are affiliated. Under the ROFR, certain holders of our capital stock have the right of first refusal and co-salerelating to the shares of our common stock held by the parties to the agreement. Upon the completion of this offering, the ROFR will terminate. Indemnification agreements Our amended and restated Post-IPOCertificate of Incorporation will contain provisions limiting the liability of directors and officers, and our Post-IPOBylaws will provide that we will indemnify each of our directors and executive officers to the fullest extent permitted under Delaware law. Our Post-IPOCertificate of Incorporation and Post-IPOBylaws will also provide our Board of Directors with discretion to indemnify our employees and other agents when determined appropriate by the Board of Directors. In addition, we have entered into or intend to enter into an indemnification agreement with each of our directors, which will require us to indemnify them. For more information regarding these agreements, see the section titled “—Limitations on liability and indemnification of directors and officers.” Other transactions To facilitate the Class B Stock Exchange, we will enter into exchange agreements with our Co-Founders,effective as of immediately prior to effectiveness of the filing of our Post-IPOCertificate of Incorporation, pursuant to which shares of our Class A common stock held by our Co-Founders,or entities controlled by our Co-Founders,will automatically be exchanged for an equivalent number of shares of Class B common stock immediately prior to the completion of this offering. Limit