Company: BTC
Filing Date: 2025-04-01
Form Type: POS AM
Source: 0001193125-25-070549
Chunk: 72

Company: Grayscale Bitcoin Mini Trust ETF
Filing Date: 2025-04-01
Form: POS AM
Chunk 72
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 and expenses are not assumed by the Sponsor and are borne by the Trust. The Sponsor will cause the Trust to either (i) sell Bitcoin held by the Trust or (ii) deliver Bitcoin in kind to the Sponsor to pay Trust expenses not assumed by the Sponsor on an as-neededbasis. Accordingly, the Trust may be required to sell or otherwise dispose of Bitcoin at a time when the trading prices for those assets are depressed. The sale or other disposition of assets of the Trust in order to pay extraordinary expenses could have a negative impact on the value of the Shares for several reasons. These include the following factors:

| • |     | The Trust is not actively managed and no attempt will be made to protect against or to take advantage of 
 fluctuations in the prices of Bitcoin. Consequently, if the Trust incurs expenses in U.S. dollars, the   |

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| Trust’s Bitcoin may be sold at a time when the values of the disposed assets are low, resulting in a negative impact on the value of the Shares. |

| • |     | Because the Trust does not generate any income, every time that the Trust pays expenses, it will deliver Bitcoin                                                                                                                        
 to the Sponsor or sell Bitcoin. Any sales of the Trust’s assets in connection with the payment of expenses will decrease the amount of the Trust’s assets represented by each Share each time its assets are sold or transferred to the 
 Sponsor.                                                                                                                                                                                                                                |

| • |     | Assuming that the Trust is a grantor trust for U.S. federal income tax purposes, each delivery or sale of Bitcoin                                                                                                                        
 by the Trust to pay the Sponsor’s Fee and/or Additional Trust Expenses will be a taxable event to beneficial owners of Shares. Thus, the Trust’s payment of expenses could result in beneficial owners of Shares incurring tax liability 
 without an associated distribution from the Trust. Any such tax liability could adversely affect an investment in the Shares. See “Material U.S. Federal Income Tax Consequences.”                                                       |

The Trust’s delivery or sale of Bitcoin to pay expenses or other operations of the Trust could result in shareholders’ incurring tax liability without an associated distribution from the Trust. Assuming that the Trust is treated as a grantor trust for U.S. federal income tax purposes, each delivery of Bitcoin by the Trust to pay the Sponsor’s Fee or other expenses and each sale of Bitcoin by the Trust to pay Additional Trust Expenses will be a taxable event to beneficial owners of Shares. Thus, the Trust’s payment of expenses could result in beneficial owners of Shares incurring tax liability without