Company: BLLN
Filing Date: 2025-10-07
Form Type: S-1
Source: 0001193125-25-233697
Chunk: 282

Company: BillionToOne, Inc.
Filing Date: 2025-10-07
Form: S-1
Chunk 282
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 which any of our executive officers, directors or beneficial holders of more than 5% of our capital stock (or any immediate family member of, or person sharing the household with, any of these individuals or entities), which we collectively refer to as a related party, had or will have a direct or indirect material interest, other than compensation arrangements for our directors and executive officers, which are disclosed elsewhere in this prospectus. Series D redeemable convertible preferred stock financing In May 2024, we issued and sold an aggregate of 4,656,233 shares of our Series D redeemable convertible preferred stock at a cash purchase price of $28.0204 per share for an aggregate purchase price of $130.5 million (the Series D Financing). Each share of Series D redeemable convertible preferred stock will convert automatically into a share of our Class A common stock, on a one-for-one basis, immediately prior to the completion of this offering. The following table summarizes purchases of our Series D redeemable convertible preferred stock by entities affiliated with certain of our directors and holders of more than 5% of our capital stock.

| Purchaser                                       |     | Series D redeemable convertible preferred 
 stock                                     
 Number of shares                          |           |     | Aggregate purchase price |            |
|:------------------------------------------------|:----|:------------------------------------------|----------:|:----|:-------------------------|-----------:|
| Entities affiliated with Adams Street           
 Partners(1)                                     |     |                                           |   535,321 |     | $                        | 14,999,908 |
| Hummingbird Ventures(2)                         |     |                                           |   446,103 |     | $                        | 12,499,984 |
| Libertus Capital I(3)                           |     |                                           |   249,817 |     | $                        |  6,999,972 |
| Entities and individuals affiliated with Premji 
 Invest(4)                                       |     |                                           | 1,802,255 |     | $                        | 50,499,906 |

| (1) |     | Entities affiliated with Adams Street Partners that purchased shares of our Series D redeemable convertible preferred stock include: (i) Adams Street 2019 Direct Growth Equity Fund LP, (ii) Adams Street 2020                        
 Direct Growth Equity Fund LP, (iii) Adams Street 2021 Direct Growth Equity Fund LP, (iv) Adams Street 2022 Direct Growth Equity Fund LP, (v) Adams Street Private Equity Navigator Fund