IPO Journey
Sunshine Silver Mining & Refining Co
IPO Date: June 5, 2026 · 3 filings tracked
Final Offer Terms
Ticker
SSMR
Exchange
New York Stock Exchange
Offer Price
$13.50
Shares Offered
20,000,000
Estimated Proceeds
$270.0M
Underwriters
Led by Morgan Stanley, Scotiabank
BMO Capital MarketsCanaccord GenuityCitigroupRBC Capital Markets
Filing Timeline
1
S-1
May 11, 2026
- Mine-to-market operation with integrated silver mining and refining capabilities in Idaho.
- Strategic focus on antimony, a critical mineral for semiconductors, solar panels, and national defense.
2
S-1/A
May 26, 2026
- Strategic focus on domestic antimony production, a critical mineral for defense and semiconductors.
- Ownership of the historic, permitted Sunshine Complex in Idaho with existing infrastructure.
Changes from previous filing
- ▸ Expected offer range: $13.5 – $16.5 per share
- ▸ Shares offered: 20,000,000
- ▸ Estimated proceeds: $270M
424B4
Final Pricing
June 5, 2026
- Strategic domestic supplier of antimony, a critical mineral for U.S. national defense and semiconductors.
- Potential to supply up to 60% of total U.S. antimony demand.
Changes from previous filing
- ▸ Price range removed
- ▸ Final offer price: $13.5 per share
Disclaimer: AI-generated analysis for informational purposes only. Not financial advice. Always conduct your own research.