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WisdomTree Bitcoin Fund

For the period ended Dec 31, 2025. Filed Mar 27, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 27, 2026

BTCW$78.95-1.3%Stored close · as of Nov 9, 2026

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Item 9A. CONTROLS AND PROCEDURES

Conclusion Regarding the Effectiveness of Disclosure Controls and Procedures

The Trust maintains disclosure controls and procedures that are designed to ensure that information required to be disclosed in its Exchange Act reports is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to the Principal Executive Officer and Principal Financial Officer of the Sponsor to allow timely decisions regarding required disclosure.

Under the supervision and with the participation of the Principal Executive Officer and the Principal Financial Officer of the Sponsor, the Sponsor conducted an evaluation of the Trust’s disclosure controls and procedures, as defined under Exchange Act Rule 13a-15(e) and 15d-15(e). Based on this evaluation, the Principal Executive Officer and the Principal Financial Officer of the Sponsor concluded that, as of December 31, 2025, the Trust’s disclosure controls and procedures were effective.

Management’s Report on Internal Control over Financial Reporting; Attestation Report of the Registered Public Accounting Firm

The Trust’s management is responsible for establishing and maintaining adequate internal control over financial reporting as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act. The Trust’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Under the supervision and with the participation of the Principal Executive Officer and the Principal Financial Officer of the Sponsor, the Sponsor conducted an evaluation of the effectiveness of the Trust’s internal control over financial reporting as of December 31, 2025, based on the framework in "Internal Control-Integrated Framework" (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). Based on this evaluation, the Principal Executive Officer and the Principal Financial Officer of the Sponsor concluded that, as of December 31, 2025, the Trust’s disclosure controls and procedures were effective.

Changes in Internal Control Over Financial Reporting

There was no change in the Trust’s internal controls over financial reporting that occurred during the Trust’s most recently completed fiscal quarter ended December 31, 2025 that has materially affected, or is reasonably likely to materially affect, these internal controls.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.