Company: BLLN
Filing Date: 2025-09-17
Form Type: DRS/A
Source: 0001193125-25-206347
Chunk: 117

Company: BillionToOne, Inc.
Filing Date: 2025-09-17
Form: DRS/A
Chunk 117
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 Class A common stock to decline.

Future sales of substantial amounts of our Class A common stock in the public markets, or the perception that such sales might occur, could reduce the price that our Class A common stock might otherwise attain.

Future
sales of a substantial number of shares of our Class A common stock in the public market, particularly sales by our directors, executive officers, and principal stockholders, or the perception that these sales could occur, could adversely
affect the market price of our Class A common stock and may make it more difficult for you to sell your Class A common stock at a time and price that you deem appropriate. Upon the completion of this offering, based on the number of shares
of our Class A common stock outstanding as of June 30, 2025, and after giving effect to the Preferred Stock Conversion, the Reclassification and the Class B Stock Exchange, as if each event had occurred on June 30, 2025, we will
have an aggregate of shares of our Class A common stock outstanding (or shares if the underwriters exercise their option to purchase additional shares from us in full). This
includes shares of Class A common stock that we are selling in this offering, which may be resold in the public market immediately without restriction, unless purchased by our affiliates. The resale of the
remaining shares of Class A common stock, or % of our outstanding shares of Class A common stock following this offering, and all of our Class B common stock outstanding, is currently
prohibited or otherwise restricted, subject to certain limited exceptions, as a result of securities law provisions, market standoff agreements entered into by certain of our stockholders with us or lock-up
agreements entered into by our stockholders with the underwriters in connection with this offering. However, subject to applicable securities law restrictions, these shares will be able to be sold in the public market beginning on the 181st day
after the date of this prospectus. Shares issued upon the exercise of stock options outstanding under our equity incentive plans or pursuant to future awards granted under those plans will become available for sale in the public market to the extent
permitted by the provisions of applicable vesting schedules, market stand-off agreements and/or lock-up agreements, as well as Rules 144 and 701 under the Securities
Act. For more information, see the section titled “Shares eligible for future sale.”

In addition, following the completion of this offering, holders
of shares of our Class A common stock (including, following the Class B