Welcome to our dedicated page for Grayscale Bitcoin Mini Trust ETF SEC filings (Ticker: BTC), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The SEC filings page for Grayscale Bitcoin Mini Trust ETF (BTC) provides direct access to the trust’s regulatory disclosures, including current reports on Form 8-K and references to its annual report on Form 10-K. These filings explain how the trust holds Bitcoin, which institutional partners it relies on, and how key agreements evolve over time.
Recent 8-Ks describe the Coinbase Prime Broker Agreement, under which Coinbase, Inc. and related Coinbase entities provide custodial and prime broker services for the trust’s Bitcoin. Other filings outline the Fund Administration and Accounting Agreement with BNY Mellon Asset Servicing, which covers administrative and accounting services for the trust. Users interested in operational details can review these documents to see how responsibilities are allocated among the sponsor, custodians, and prime broker.
Filings also cover the Anchorage Digital Custodian Agreement, adding Anchorage Digital Bank N.A. as a custodian for a portion of the trust’s Bitcoin. The agreement requires Anchorage Digital to keep private keys in cold storage and addresses how it may respond to events such as forks in the Bitcoin blockchain. Indemnification provisions and insurance requirements for Anchorage Digital are also summarized in the trust’s reports.
Additional 8-Ks discuss internal corporate reorganizations involving entities that control the sponsor, as well as governance changes such as director appointments at related companies. On Stock Titan, AI-powered tools can help highlight the key points from these filings, including material contract changes, custody arrangements, and sponsor-level actions, so users can navigate lengthy documents and focus on the disclosures most relevant to BTC.
Grayscale Bitcoin Mini Trust ETF entered into a Second Amendment to its Master Custody Service Agreement with Anchorage Digital Bank N.A., adding the Trust as a party to that agreement. Under this Anchorage Digital Custodian Agreement, Anchorage Digital will provide custody and safekeeping services for a portion of the Trust’s Bitcoin holdings.
Coinbase Trust Company, LLC remains the Trust’s primary custodian, and the Sponsor will decide, in its sole discretion, how much Bitcoin is held at each custodian. Anchorage Digital must keep all private keys for the Trust’s Bitcoin held with it in offline cold storage, which is designed to reduce hacking risk compared with online hot storage.
The agreement addresses how Anchorage Digital may respond to forks of the Bitcoin blockchain, including temporary suspensions and decisions on which branch to support. It also includes indemnification obligations by the Trust in certain circumstances and requires Anchorage Digital to maintain insurance coverage. Related custody agreements are filed as exhibits.