secwatch.observer — SEC 8-K summary
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Issuer:     Grayscale Bitcoin Trust ETF (GBTC)
CIK:        0001588489
Form:       8-K
Filed at:   2023-08-02T23:59:59+00:00
Accession:  0000950170-23-037180
Event type: other
Sentiment:  neutral
Materiality: 0.25
Item codes: 8.01
LLM model:  deepseek-v4-flash:cloud@v2

Grayscale Bitcoin Trust adds Bitstamp to pricing index, effective July 29
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- Index Provider added Bitstamp to CoinDesk Bitcoin Price Index (XBX) effective July 29, 2023.
- Bitstamp was added due to meeting minimum liquidity requirement; no exchanges were removed.
- Index now includes Coinbase, Kraken, LMAX Digital, and Bitstamp.
- Quarterly reviews allow adding/removing exchanges based on liquidity criteria.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1588489/000095017023037180/0000950170-23-037180-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1588489/000095017023037180/gbtc-20230729.htm
  HTML page:      https://secwatch.observer/filing/0000950170-23-037180

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