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Grayscale Ethereum Mini Trust ETF entered a new Coinbase Prime Broker Agreement on October 3, 2025, covering custodial and prime brokerage services for the Trust’s Ether held by Coinbase Custody and related entities. On October 6, 2025, the sponsor and Coinbase added a Staking Addendum that sets terms for staking the Trust’s Ether through the custodian and third-party staking providers.
Under these staking arrangements, the custodian, staking provider and sponsor together receive an aggregate 6% of gross Staking Consideration, with the remainder going to the Trust, and the sponsor’s staking fee is payable daily in arrears. The Trust may distribute Ether or cash from staking rewards to shareholders under an existing staking policy. The prior prime broker agreement dated May 23, 2024 was terminated, and supplemental business and risk factor disclosures are provided in Exhibit 99.1.
Grayscale Ethereum Mini Trust ETF reported several governance and operational changes. Shareholders approved three amendments to the Trust Agreement, including allowing the Trust to stake its Ether, introducing a Sponsor’s Staking Fee on any staking rewards, and giving the Sponsor greater flexibility to amend the Trust Agreement under specified conditions and with 20‑day notice to shareholders.
The Sponsor and Trustee entered into a Second Amended and Restated Declaration of Trust and Trust Agreement, and the Trust was added to an Anchorage Digital Bank N.A. custody agreement, so Anchorage Digital can safekeep a portion of the Trust’s Ether alongside Coinbase, which remains the primary custodian. The Trust plans to transition its listing on NYSE Arca from product‑specific standards to new generic listing standards, and does not expect to begin staking until that transition application is approved or deemed unnecessary.
Grayscale Ethereum Mini Trust ETF reported a change in how its reference price for ether is calculated. CoinDesk Indices, the index provider for the CoinDesk Ether Price Index (ETX) used by the trust, conducted its scheduled quarterly review and, effective September 21, 2025, added Gemini as a constituent trading platform after it met the provider’s minimum liquidity requirement. At the same time, Bullish was removed from the index after it failed to meet that liquidity requirement.
Following these changes, the trading platforms included in the index are Coinbase, Kraken, Crypto.com, LMAX Digital, and Gemini. The index provider may adjust the trading venues or methodology in future quarterly reviews based on its stated criteria.
Grayscale Ethereum Mini Trust ETF (ETH) proposes three amendments to permit the Sponsor to stake trust-held Ether, to collect a Sponsor's Staking Fee, and to amend the Trust Agreement with notice rather than shareholder consent in certain cases. Staking may be allowed only if the Staking Condition is met (a tax opinion or Tax Ruling or Tax Guidance confirming grantor-trust status). If staking occurs, the Trust may stake all Ether subject to enumerated exceptions and may accept non-Ether staking consideration temporarily. The Sponsor may set a daily-accruing Sponsor's Staking Fee (payable in Ether or staking consideration) and may disclose the percentage in SEC filings; the fee will not exceed total staking rewards. The Sponsor would also be able to make certain material amendments effective 20 days after notice instead of requiring prior shareholder consent, and the Trust may use incidental rights or staking consideration to pay fees and expenses.
Grayscale Ethereum Mini Trust ETF (ETH) proposes three related amendments to its Trust Agreement to permit the Trust to stake Ether, create a Sponsor's Staking Fee, and broaden the Sponsor's unilateral amendment authority (subject to limited notice constraints and tax-condition safeguards). Proposal 1 would allow the Sponsor to cause the Trust to stake a portion of its Ether through arm's-length arrangements with the Custodian and Staking Providers and to accept and temporarily hold staking consideration other than Ether. Proposal 2 would allow the Sponsor to collect a Sponsor's Staking Fee, payable in Ether or other staking consideration, calculated as a per-annum percentage of staking consideration earned and disclosed by the Sponsor. Proposal 3 would let the Sponsor make certain restatements, amendments or supplements to the Trust Agreement without shareholder consent, with materially adverse changes becoming effective no earlier than 20 days after notice; some amendments that could affect grantor trust status require a tax opinion or Tax Ruling. The documents repeatedly note potential risks, tax-condition limits on staking, and Sponsor discretion over fee levels and certain determinations.
Date: August 4, 2025.
Grayscale Ethereum Mini Trust ETF (NYSE Arca: ETH) filed an 8-K disclosing a board leadership change. On August 4, 2025, Grayscale Investments Sponsors, LLC announced the appointment of Barry Silbert as a Director and Chairman of the Board. Mark Shifke will step down as Chairman but will remain on the Board as a Director. The sponsor stated it is considering expanding the Board to include independent directors.
The filing includes a biographical summary for Mr. Silbert noting his roles as Founder and CEO of DCG (founded 2015), founder and CEO of Yuma (founded 2024), prior founder/CEO of SecondMarket (acquired by Nasdaq), and his education at Emory University's Goizueta Business School. The report attaches a press release as Exhibit 99.1 and the cover page XBRL file as Exhibit 104. The filing is signed by Edward McGee, CFO, on August 4, 2025.
Grayscale Ethereum Mini Trust ETF (NYSE:ETH) filed an 8-K announcing the addition of LMAX Digital to its CoinDesk Ether Price Index (ETX) effective June 22, 2025. The addition was made during the Index Provider's quarterly review after LMAX Digital met minimum liquidity requirements.
The Index now includes five Constituent Trading Platforms: Coinbase, Kraken, Crypto.com, Bullish, and LMAX Digital. No existing platforms were removed during this review. This index is crucial as it determines the Trust's ETF pricing mechanism.