Insider Tracker SEC Form 4 insider trades
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SSMR

Sunshine Silver Mining & Refining Co

AI summary Insiders and executives purchase shares at the IPO price following the company's public debut.

48
Insider Score Band below 60
Research score
59
AI adjustment
-11

Research score, not a recommendation.

Total bought$804.1K6 Form 4 purchases
Distinct insiders5open-market buyers
Lead insiderWhite Heather EileenCEO
Cluster window2026-06-05single day · active

Market data

Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.

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partial data Price history is incomplete; missing inputs count as neutral in the score.

same price, one day All 6 purchases were at $13.50 on 2026-06-05. That pattern also occurs in IPO or conversion subscriptions, which are not open-market conviction buying.

Why this score

Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.

Breadth number & diversity of participating insiders
83%
Seniority executive rank of buyers (CEO/CFO/Director)
85%
Commitment purchase size relative to company & holdings
70%
Context buying into stock weakness signals conviction
50%
Timing coordinated purchases within a tight window
100%
Routine-purchase discount × 1.00
Company-type / offering discount × 0.50
Net insider selling penalty − 15

Why are they buying?

AI · ipo_offering · catalyst credible · documented

The insider purchases occurred directly on the closing date of Sunshine Silver Mining & Refining Co.'s initial public offering at the established IPO price of $13.50 per share.

Sunshine Silver closed its initial public offering of 23 million shares at $13.50 per share on June 5, 2026, raising approximately $310.5 million in gross proceeds and commencing trading on the New York Stock Exchange under the symbol SSMR.

Stock Price & Insider Purchase History

Daily close price with open-market insider purchases plotted over time

Loading price history…

Transactions

6 Form 4 trades · 5 insiders Sign in to download CSV
Purchases in this cluster, grouped by insider, largest first
Date Insider Role Shares Price Value Flags Filing
2026-06-05 El-Erian Anna history of El-Erian Anna's purchases Director 40,000 $13.50 $540.0K
offering
SEC filing for El-Erian Anna (opens in a new tab)
2026-06-05 Groh Douglas history of Groh Douglas's purchases Director 10,000 $13.50 $135.0K
offering
SEC filing for Groh Douglas (opens in a new tab)
2026-06-05 SHEPSTON MICHELLE H history of SHEPSTON MICHELLE H's purchases General counsel 5,065 $13.50 avg $68.4K
offering
2026-06-05 SHEPSTON MICHELLE H 65 $13.50 $878
offering
SEC filing for SHEPSTON MICHELLE H (opens in a new tab)
2026-06-05 SHEPSTON MICHELLE H 5,000 $13.50 $67.5K
offering
SEC filing for SHEPSTON MICHELLE H (opens in a new tab)
2026-06-05 Radford Lawrence P history of Radford Lawrence P's purchases Director 2,500 $13.50 $33.8K
offering
SEC filing for Radford Lawrence P (opens in a new tab)
2026-06-05 White Heather Eileen history of White Heather Eileen's purchases CEO 2,000 $13.50 $27.0K
offering
SEC filing for White Heather Eileen (opens in a new tab)
Total $804.1K

What happened next

A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.

After this run became a cluster: 21 days -13.3%63 days +18.1%126 days –