Company: BLLN
Filing Date: 2025-08-11
Form Type: DRS/A
Source: 0000950123-25-007483
Chunk: 315

Company: BillionToOne, Inc.
Filing Date: 2025-08-11
Form: DRS/A
Chunk 315
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| Vesting of early exercises                                                                 |        |                        |          - |     |        |   |       - |     |        |              |          - |   |        |   | - |     |            |      5 |   |     |             | -        |   |     |               |        5 |   |
| Net loss                                                                                   |        |                        |          - |     |        |   |       - |     |        |              |          - |   |        |   | - |     |            |      - |   |     |             | (41,570  | ) |     |               |  (41,570 | ) |
| Balance at December 31, 2024                                                               |        |                        | 29,084,235 |     |        | $ | 419,409 |     |        |              | 10,925,950 |   |        | $ | - |     | $          | 30,545 |   |     | $           | (282,201 | ) |     | $             | (251,656 | ) |

The accompanying notes are an integral part of these financial statements. F-5

B ILLIONT OO NE, INC. Statement of Cash Flows (in thousands)

|                                                                              |     | Year Ended   
 December 31, 
 2023         |         |   |     | 2024 |         |   |
|:-----------------------------------------------------------------------------|:----|:-------------|--------:|:--|:----|:-----|--------:|:--|
| Cash flows from operating activities:                                        |     |              |         |   |     |      |         |   |
| Net loss                                                                     |     | $            | (82,683 | ) |     | $    | (41,570 | ) |
| Adjustments to reconcile net loss to net cash used in operating activities:  |     |              |         |   |     |      |         |   |
| Stock-based compensation                                                     |     |              |   4,854 |   |     |      |   8,362 |   |
| Depreciation and amortization                                                |     |              |   5,874 |   |     |      |   7,040 |   |
| Amortization of debt discount costs and accretion of exit fees               |     |              |     540 |   |     |      |