secwatch.observer — SEC 8-K summary
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Issuer:     Grayscale Zcash Trust (ZEC) (ZCSH)
CIK:        0001720265
Form:       8-K
Filed at:   2026-03-25T23:59:59+00:00
Accession:  0001193125-26-124064
Event type: other_material
Sentiment:  neutral
Materiality: 0.40
Item codes: 8.01
LLM model:  deepseek-v4-flash:cloud@v2

Grayscale Zcash Trust to switch ZEC valuation index to CoinDesk Zcash Benchmark Rate effective April 1, 2026
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- Effective April 1, 2026, Trust will value ZEC using CoinDesk Zcash Benchmark Rate instead of CoinDesk Zcash Price Index (ZCX).
- Constituent trading platforms for new benchmark: Binance, Gemini, Kraken, OKX.
- New index uses volume-weighted real-time price with outlier detection, inactivity adjustment, and manipulation resistance.
- If benchmark is unavailable, cascading fallback: Coin Metrics Real-Time Rate, principal market price, then Sponsor's best judgment.
- Shareholders will be notified of material methodology changes in periodic or current reports.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1720265/000119312526124064/0001193125-26-124064-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1720265/000119312526124064/zcsh-20260325.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-124064

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