secwatch.observer — SEC 8-K summary
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Issuer:     Grayscale Bitcoin Trust ETF (GBTC)
CIK:        0001588489
Form:       8-K
Filed at:   2023-11-02T23:59:59+00:00
Accession:  0000950170-23-057765
Event type: other_material
Sentiment:  neutral
Materiality: 0.20
Item codes: 8.01
LLM model:  deepseek-v4-flash:cloud@v2

Grayscale Bitcoin Trust adds Crypto.com to Index Pricing Constituent Exchanges
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- Effective Oct 28, 2023, Crypto.com added to CoinDesk Bitcoin Price Index (XBX).
- No exchanges removed during scheduled quarterly review.
- Index now uses Coinbase, Kraken, LMAX Digital, Bitstamp, and Crypto.com.
- Index Provider may change trading venues at any time; quarterly reviews planned.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1588489/000095017023057765/0000950170-23-057765-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1588489/000095017023057765/gbtc-20231028.htm
  HTML page:      https://secwatch.observer/filing/0000950170-23-057765

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