Company: ABTC
Filing Date: 2025-07-31
Form Type: 424B3
Source: 0001213900-25-069998
Chunk: 453

Company: American Bitcoin Corp.
Filing Date: 2025-07-31
Form: 424B3
Chunk 453
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 received 850,000shares of Sphere 3D’s restricted common stock upon the termination of the Sphere 3D Merger Agreement on April 4, 2022. On June 23, 2023, Sphere 3D completed a reverse stock split of its common shares on a 1 -for-7basis. This resulted in the Company holding 121,428shares. The shares are accounted for in accordance with ASC 320 — Investments — Debt and Equity Securities, as such the shares will be classified as available -for -salesecurities and will be measured at each reporting period at fair value with the unrealized gain or (loss) as a component of other income (expense). The table below summarizes the movement in this account as of:

|                                  |     |   | March 31, 
      2025 |   |     |   | December 31, 
         2024 |   |
|:---------------------------------|:----|:--|----------:|:--|:----|:--|-------------:|:--|
| Fair value – beginning of period |     | $ |   115,000 |   |     | $ |      403,000 |   |
| Change in fair value             |     |   |   (66,000 | ) |     |   |     (288,000 | ) |
| Balance – end of period          |     | $ |    49,000 |   |     | $ |      115,000 |   |

NOTE 4 — DEPOSITS The deposits are summarized as of:

|                                       |     |   |  March 31, 
       2025 |   |     |   | December 31, 
         2024 |   |
|:--------------------------------------|:----|:--|-----------:|:--|:----|:--|-------------:|:--|
| Balance – beginning of period         |     | $ |  2,263,000 |   |     | $ |      420,000 |   |
| Cash deposit                          |     |   |  1,222,000 |   |     |   |    2,207,000 |   |
| Merger and acquisition costs expensed |     |   | (1,033,000 | ) |     |   |            — |   |
| Amounts applied to accounts payable   |     |   |   (186,000 | ) |