secwatch.observer — SEC 8-K summary
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Issuer:     VISTA GOLD CORP (VGZ)
CIK:        0000783324
Form:       8-K
Filed at:   2026-09-21T21:17:51+00:00
Accession:  0001104659-26-109364
Event type: m_and_a
Sentiment:  positive
Materiality: 0.90
Item codes: 1.01, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Artemis Gold to acquire Vista Gold for $2.83/share in all-stock deal worth ~$427M
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- Vista shareholders get 0.0966 Artemis shares per Vista share; implies US$2.83/share, 29% premium to 20-day VWAP and 25% to last close.
- Total transaction value ~US$427M on 100% basis; no cash consideration and no new debt incurred.
- Pro-forma ownership: existing Artemis and Vista holders ~95% and ~5% respectively; Artemis cancels its 4.95% stake.
- Mt Todd project hosts 9.1M oz M&I and 1.4M oz Inferred resources; permits for 50,000 tpd processing facility already granted.
- Transaction requires 66 2/3% shareholder approval and court/regulatory clearance; expected to close in Q1 2027.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/783324/000110465926109364/0001104659-26-109364-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/783324/000110465926109364/tm2625813d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-26-109364

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