secwatch.observer — SEC 8-K summary
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Issuer:     Grayscale Ethereum Staking Mini ETF (ETH)
CIK:        0002020455
Form:       8-K
Filed at:   2025-12-23T23:59:59+00:00
Accession:  0001193125-25-330994
Event type: other_material
Sentiment:  neutral
Materiality: 0.10
Item codes: 8.01
LLM model:  deepseek-v4-flash:cloud@v2

Grayscale Ethereum Mini Trust ETF adds Bitstamp to index pricing sources
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- Index provider added Bitstamp by Robinhood to CoinDesk Ether Price Index effective Dec 21, 2025.
- No trading platforms removed; now six constituent platforms: Coinbase, Kraken, Crypto.com, LMAX Digital, Gemini, Bitstamp.
- Change resulted from scheduled quarterly review; Bitstamp met minimum liquidity requirement.
- Index methodology unchanged; future changes may occur at any time or during quarterly reviews.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/2020455/000119312525330994/0001193125-25-330994-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/2020455/000119312525330994/eth-20251221.htm
  HTML page:      https://secwatch.observer/filing/0001193125-25-330994

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer