secwatch.observer — SEC 8-K summary
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Issuer:     Grayscale Bitcoin Trust ETF (GBTC)
CIK:        0001588489
Form:       8-K
Filed at:   2023-06-23T23:59:59+00:00
Accession:  0000950170-23-029626
Event type: other_material
Sentiment:  negative
Materiality: 0.65
Item codes: 8.01
LLM model:  deepseek-v4-flash:cloud@v2

Grayscale Bitcoin Trust removes Binance.US from pricing index after USD suspension
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- Effective June 17, 2023, Binance.US removed from CoinDesk Bitcoin Price Index (XBX).
- Removal prompted by Binance.US suspending USD deposits/withdrawals and delisting USD pairs.
- Index now uses Coinbase, Kraken, and LMAX Digital; no new exchange added.
- Index Provider may change constituents quarterly; no immediate impact on trust operations.
- Change may affect NAV calculation and premium/discount dynamics for GBTC shares.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1588489/000095017023029626/0000950170-23-029626-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1588489/000095017023029626/gbtc-20230617.htm
  HTML page:      https://secwatch.observer/filing/0000950170-23-029626

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