Company: BLLN
Filing Date: 2025-10-07
Form Type: S-1
Source: 0001193125-25-233697
Chunk: 117

Company: BillionToOne, Inc.
Filing Date: 2025-10-07
Form: S-1
Chunk 117
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 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
37,706,613 shares of our Class A common stock (including, following the Class B Stock Exchange, shares of our Class A common stock issuable upon the conversion of shares of Class B common stock) will have certain rights to
require us to register the sale of Class A common stock held by such stockholders, including in connection with underwritten offerings. Sales of significant amounts of stock in the public market upon expiration of
lock-up agreements and market stand-off provisions, the perception that such sales may occur, or early release of any lock-up
agreements or market stand-off provisions, could adversely affect prevailing market prices of our Class A common stock or make it more difficult for you to sell your shares of Class A common stock at
a time and price that you deem appropriate. See the section titled “Shares eligible for future sale.”

The market price of our Class A common stock
may drop significantly when the restrictions on resale by our existing stockholders lapse, including in the event of a partial release under the lock-up agreement or market
stand-off provisions, if we register certain of our stockholders’ shares of our Class A common stock for resale, or if there is an expectation that such a lapse of resale restrictions or
registration of shares will occur. A decline in the trading price of our Class A common stock might impede our ability to raise capital through the issuance of additional shares of our Class A common stock or other equity securities and
may impair