Company: BLLN
Filing Date: 2025-10-07
Form Type: S-1
Source: 0001193125-25-233697
Chunk: 296

Company: BillionToOne, Inc.
Filing Date: 2025-10-07
Form: S-1
Chunk 296
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 except for certain permitted transfers set forth in our Post-IPOCertificate of Incorporation, including to related entities and for estate-planning purposes. Once converted into our Class A common stock, such Class B common stock will not be reissued. 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 the 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 the board of directors, after the date on which such Founder is no longer serving as an officer or director of the Company. All of the outstanding shares of our Class B common stock will convert automatically on a one-for-onebasis into shares of our Class A common stock upon the earliest of (i) seven years from the date of filing the Post-IPOCertificate 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. Following the conversion of all outstanding shares of our Class B common stock into Class A common stock, no further shares of our Class B common stock will be issued. Right to receive liquidation distributions Upon our dissolution, liquidation or winding-up,the assets legally available for distribution to our stockholders are distributable ratably among the holders of our Class A common stock and our Class B common stock, subject to prior satisfaction of all outstanding debt and liabilities and the preferential rights and payment of liquidation preferences, if any, on any outstanding shares of preferred stock. No preemptive or similar rights Our shares of common stock are not entitled to preemptive rights and are not subject to conversion, redemption or sinking fund provisions (except, in respect of our Class B common stock, for the conversion rights noted above). The rights, preferences, and privileges of the holders of our common stock will be subject to and may be adversely affected by the rights of the holders of shares of any series of our preferred stock that we may designate in the future. Preferred stock As of June 30, 2025, there were 29,084,235 shares of our redeemable convertible preferred stock outstanding. Immediately prior to the completion of this offering, each outstanding share of redeemable convertible preferred stock will convert into one share of our common stock pursuant to the Preferred