Grayscale Bitcoin Mini Trust ETF Files 8-K

TL;DR

Grayscale Bitcoin Mini Trust ETF filed an 8-K on Oct 3, 2025, detailing material agreements and terminations.

AI Summary

On October 3, 2025, Grayscale Bitcoin Mini Trust ETF entered into a material definitive agreement and terminated another. The filing details these events and includes financial statements and exhibits related to the Grayscale Bitcoin Mini Trust ETF, formerly known as Grayscale Bitcoin Trust (BTC).

Why It Matters

This 8-K filing indicates significant corporate actions for the Grayscale Bitcoin Mini Trust ETF, potentially impacting its structure, operations, or financial reporting.

Risk Assessment

Risk Level: medium — The filing involves material definitive agreements and terminations, which can introduce operational or financial risks.

Key Numbers

• 20251003 — Report Date (The earliest event reported in the 8-K filing.)
• 20251009 — Filing Date (The date the 8-K was officially filed with the SEC.)

Key Players & Entities

• Grayscale Bitcoin Mini Trust ETF (company) — Registrant
• Grayscale Investments, LLC (company) — Administrator/Sponsor
• Grayscale Bitcoin Trust (BTC) (company) — Former Company Name
• October 3, 2025 (date) — Date of earliest event reported
• 001-42194 (other) — Commission File Number

FAQ

Filing Documents

• btc-20251003.htm (8-K) — 59KB
• btc-ex10_1.htm (EX-10.1) — 425KB
• btc-ex10_2.htm (EX-10.2) — 176KB
• 0001193125-25-236071.txt ( ) — 869KB
• btc-20251003.xsd (EX-101.SCH) — 27KB
• btc-20251003_htm.xml (XML) — 5KB

01. Entry into a Material Definitive Agreement

Item 1.01. Entry into a Material Definitive Agreement. Prime Broker Agreement On October 3, 2025, Grayscale Investments Sponsors, LLC, the sponsor (the "Sponsor"), on behalf of itself and Grayscale Bitcoin Mini Trust ETF (the "Trust"), and Coinbase, Inc., the prime broker of the Trust ("Coinbase" or the "Prime Broker"), on behalf of itself and as agent for Coinbase Custody Trust Company, LLC ("Coinbase Custody" or the "Custodian") and Coinbase Credit, Inc. ("Coinbase Credit" and, collectively with Coinbase and Coinbase Custody, the "Coinbase Entities"), entered into the Coinbase Prime Broker Agreement, which includes the Coinbase Custody Custodial Services Agreement attached thereto as Exhibit A (the "CSA"), the Coinbase Settlement and Transfer Agreement attached thereto as Exhibit B (the "STA") and all other exhibits, addenda and supplements attached thereto (collectively with the CSA and STA, the "Prime Broker Agreement") governing the Trust's and the Sponsor's use of the custodial and prime broker services provided by the Custodian and the Prime Broker. The Prime Broker Agreement establishes the rights and responsibilities of the Custodian, the Prime Broker, the Sponsor and the Trust with respect to the Trust's Bitcoin which is held in accounts maintained and operated by the Custodian, as a fiduciary with respect to the Trust's assets, and the Prime Broker (together with the Custodian, the "Custodial Entities") on behalf of the Trust. Coinbase Custody was party to the Previous Prime Broker Agreement (as defined in Item 1.02 below), and continues to serve as a custodian of the Trust. From and after October 3, 2025, all references to the "Prime Broker Agreement" in the Trust's Annual Report on Form 10-K for the fiscal year ended December 31, 2024, as amended from time to time by the Trust's filings with the SEC (the "Annual Report"), and descriptions related thereto are hereby deemed to refer to the Prime Broker Agreement as defined herein, rather than to the

02. Termination of a Material Definitive Agreement

Item 1.02. Termination of a Material Definitive Agreement. Previous Prime Broker Agreement In connection with the entry into the Prime Broker Agreement, the Sponsor and the Custodian agreed to terminate, as of October 3, 2025, the prime broker agreement, dated May 2, 2024, between the Trust, the Sponsor and the Prime Broker (the "Previous Prime Broker Agreement"). Previous Fund Administration and Accounting Agreement In connection with the entry into the Fund Administration and Accounting Agreement, the Sponsor and the Custodian agreed to terminate, as of October 9, 2025, the fund administration and accounting agreement, dated February 26, 2024, between the Trust and BNY (the "Previous Fund Administration and Accounting Agreement").

01 Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit No. Description 10.1 Prime Broker Agreement 10.2 Fund Administration and Accounting Agreement 104 Cover Page Interactive Data File (the cover page XBRL tags are embedded within the inline XBRL document)

SIGNATURES

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Grayscale Investments Sponsors, LLC, as Sponsor of Grayscale Bitcoin Mini Trust ETF Date: October 9, 2025 By: /s/ Edward McGee Name: Edward McGee Title: Chief Financial Officer* * The Registrant is a trust and the identified person signing this report is signing in their capacity as an authorized officer of Grayscale Investments Sponsors, LLC, the Sponsor of the Registrant.

View Full Filing

View this 8-K filing on SEC EDGAR