Every 8-K that Grayscale Bitcoin Mini Trust ETF (BTC) has filed with the SEC in the last 24 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 8-K covers material events a company has to report between its quarterly reports, so if you follow BTC and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full BTC filings page.
Grayscale Bitcoin Mini Trust ETF reported a leadership change in its finance function. Effective July 2, 2026, Kathryn Masci and Daniel Plourde were appointed interim Co-Chief Financial Officers of Grayscale Investments Sponsors, LLC, the sponsor of the trust. Masci also joined the sponsor’s Board of Managers and became Principal Financial and Accounting Officer of the registrant.
They succeed Edward McGee, who is stepping down as Chief Financial Officer, Principal Financial and Accounting Officer and Board member for personal reasons, with no disagreements related to operations, policies, or practices. The filing highlights Masci’s audit and public company reporting background and Plourde’s more than 20 years of treasury, fund administration, and ETF experience.
Grayscale Bitcoin Mini Trust ETF is changing how it values its Bitcoin holdings for operational purposes. Effective April 1, 2026, the Trust will use the CoinDesk Bitcoin Benchmark Rate instead of the CoinDesk Bitcoin Price Index (XBX) to calculate its index price.
From that date, the Trust’s net asset value (NAV) and NAV per share will be based on this new benchmark. The Benchmark Rate aggregates trading data from multiple digital asset trading platforms and applies volume weighting, outlier detection, inactivity adjustments and other controls to reduce the impact of anomalous or manipulative trading activity.
The filing also describes backup pricing methods if the primary index is unavailable, including a secondary Coin Metrics index, a principal market price, and ultimately a good faith estimate by the Sponsor, each applied through a defined cascading process.
Grayscale Bitcoin Mini Trust ETF reports key structural and tax updates. The sponsor has amended Participant Agreements with Jane Street Capital and Virtu Americas so they can handle in‑kind creations and redemptions, alongside cash orders, using Bitcoin directly rather than only cash.
The filing notes SEC approval allowing crypto-based products on NYSE Arca, including this Trust, to use in‑kind transactions with Authorized Participants or their designees. The Trust expects to rely on these in‑kind processes under newly approved NYSE Arca generic listing standards, which are intended to keep it aligned with similar commodity ETPs.
Extensive disclosure explains how baskets of 10,000 Shares are created and redeemed, the role of Liquidity Providers and cash accounts, and how failed trades are handled. The Trust also replaces and expands its U.S. federal income tax discussion, emphasizing uncertainty around digital-asset tax treatment, the goal of maintaining grantor trust status, and the potential consequences if it were instead treated as a partnership or corporation.
Grayscale Bitcoin Mini Trust ETF filed an update explaining how it uses cashtags and third-party content on X (formerly Twitter). The sponsor, Grayscale Investments Sponsors, LLC, notes that when it posts using a ticker symbol with a “$” sign, X automatically links that cashtag to pages showing market data, news, and commentary created by outside parties. Grayscale emphasizes that it does not control or endorse this third-party information and that it may be inaccurate, incomplete, or inconsistent with the trust’s official disclosures. The trust reminds investors to rely on its filings with the SEC for authoritative and current information about Grayscale and its investment products.
Grayscale Bitcoin Mini Trust ETF reported an internal reorganization of its sponsor’s ownership and governance. On October 22, 2025, GSO Intermediate Holdings Corporation transferred a portion of its common membership units of Grayscale Operating, LLC to Grayscale Investments, Inc. and ceded managing member rights. As a result, Grayscale Investments is now the sole managing member of Grayscale Operating, LLC, which is the sole member of Grayscale Investments Sponsors, LLC, the Sponsor of the Trust.
Also on October 22, 2025, DCG Grayscale Holdco, LLC elected the board of directors of Grayscale Investments: Barry Silbert (Chairperson), Mark Shifke, Simon Koster, Peter Mintzberg, and Edward McGee, the same members as before the reorganization. The entities involved are consolidated subsidiaries of Digital Currency Group, Inc. The Trust does not expect any material impact on its operations.
Grayscale Bitcoin Mini Trust ETF reported a leadership change at its sponsor’s upstream affiliate. On October 13, 2025, GSO Intermediate Holdings Corporation, the sole managing member of Grayscale Operating, LLC and sole member of Grayscale Investments Sponsors, LLC, disclosed that Matthew Kummell stepped down from its Board and Simon Koster was appointed as a Director.
Koster is Chief Strategy Officer at Digital Currency Group, leading its investment team and portfolio. He previously led real estate initiatives at DCG and held CEO roles at The Collective and at DCG’s Real Estate unit. He serves on the boards of Foundry and Luno since 2023, Fortitude since 2024, and Yuma since 2025; each is affiliated with Grayscale.
Grayscale Bitcoin Mini Trust ETF reported that its sponsor, Grayscale Investments Sponsors, LLC, entered into a new Coinbase Prime Broker Agreement on October 3, 2025. This agreement governs custodial and prime brokerage services for the Trust’s bitcoin, provided by Coinbase, Inc., Coinbase Custody Trust Company, LLC, and Coinbase Credit, Inc.
The Trust also implemented a new Fund Administration and Accounting Agreement with BNY Mellon Asset Servicing, effective October 9, 2025, under which BNY continues to deliver administrative and accounting services. In connection with these changes, earlier prime broker and fund administration agreements dated in 2024 were terminated and replaced by the new contracts.
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.