Summary
Updated Aug 31, 2026
Thomas Scott Kaplan files SEC Form 4 reports at Sunshine Silver Mining & Refining Co (SSMR). 10 SEC Form 4 filings on record going back to 2024, most recently on 8 June 2026.
Recent Transactions
5Every recent SEC Form 4 transaction Thomas Scott Kaplan has reported, most recent first.
$SSMR Sunshine Silver Mining & Refining CoF - Tax withholding / forfeiture582.0K shares @ $13.50$7.86M
Trading Pattern
InsiderAlpha's records for Thomas Scott Kaplan go back to 2024: 10 primary Form 4 filings, an average of 3.3 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Thomas Scott Kaplan files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Ospraie Real Assets Fund LP - $7.50M of SSMR open-market activity in the last 12 months
- Anna El-Erian - $540K of SSMR open-market activity in the last 12 months
- Quintanilla Daniel Muniz - $201K of NG open-market activity in the last 12 months
- Douglas Groh - $135K of SSMR open-market activity in the last 12 months
- Michelle H. Shepston - $68K of SSMR open-market activity in the last 12 months
- Dawn Patricia Whittaker - $37K of NG open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Thomas Scott Kaplan?
Thomas Scott Kaplan is a corporate insider of Sunshine Silver Mining & Refining Co (SSMR). InsiderAlpha holds 10 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Thomas Scott Kaplan submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Where can I see all of Thomas Scott Kaplan's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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