STILLWATER MINING CO /DE/ (SMC) is a publicly traded company in the Unknown sector. Across all available filings, 13 corporate insiders have executed 27 transactions totaling $3.0M, demonstrating a bullish sentiment with $3.0M in net insider flow. The most recent transaction on Jan 16, 2026 involved a transaction of 10,121 shares valued at $0.
No significant insider buying has been recorded for SMC in the recent period.
No significant insider selling has been recorded for SMC in the recent period.
Based on recent SEC filings, insider sentiment for SMC is bullish with an Insider Alignment Score of 100/100 and a net flow of $3.0M. Insiders are accumulating shares, which historically signals confidence in the company's future performance.
Insider trading at STILLWATER MINING CO /DE/ (SMC) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 13 insiders are actively trading SMC stock, having executed 27 transactions in the past 90 days. The most active insider is Capital Llc Tailwater (Executive), who has made 3 transactions totaling $3.0M.
Get notified when executives and directors at SMC file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Jan 16, 2026 | J. Mault William | Executive VP and CFO | Option Exercise | 10,121 | $N/A | $0 | C-Suite |
| Jan 16, 2026 | J. Mault William | Executive VP and CFO | Payment | 2,757 | $26.81 | $73.9K | C-Suite |
| Jan 16, 2026 | J. Mault William | Executive VP and CFO | Option Exercise | 10,121 | $N/A | $0 | C-Suite |
| Jan 16, 2026 | David Johnston James | Executive VP, GC, CCO and Secy | Option Exercise | 10,794 | $N/A | $0 | |
| Jan 16, 2026 | David Johnston James | Executive VP, GC, CCO and Secy | Payment | 2,923 | $26.81 | $78.4K | |
| Jan 16, 2026 | David Johnston James | Executive VP, GC, CCO and Secy | Option Exercise | 10,794 | $N/A | $0 | |
| Jan 16, 2026 | B. Sicinski Matthew | Senior VP and CAO | Option Exercise | 3,593 | $N/A | $0 | |
| Jan 16, 2026 | B. Sicinski Matthew | Senior VP and CAO | Payment | 1,066 | $26.81 | $28.6K | |
| Jan 16, 2026 | B. Sicinski Matthew | Senior VP and CAO | Option Exercise | 3,593 | $N/A | $0 | |
| Jan 16, 2026 | Heath Deneke J. | Chairman, President and CEO | Option Exercise | 32,754 | $N/A | $0 | C-Suite |
| Jan 16, 2026 | Heath Deneke J. | Chairman, President and CEO | Payment | 8,216 | $26.81 | $220.3K | C-Suite |
| Jan 16, 2026 | Heath Deneke J. | Chairman, President and CEO | Option Exercise | 32,754 | $N/A | $0 | C-Suite |
| Aug 28, 2025 | Llc Tailwater Capital | Executive | Purchase | 26,319 | $20.89 | $549.8K | Large |
| Aug 27, 2025 | Llc Tailwater Capital | Executive | Purchase | 47,401 | $20.50 | $971.7K | Large |
| Aug 26, 2025 | Llc Tailwater Capital | Executive | Purchase | 72,759 | $20.46 | $1.5M | Large |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Purchase(P) | 3 | $3.0M | 88.2% |
Payment(F) | 4 | $401.1K | 11.8% |
Exercise(M) | 8 | $0 | 0.0% |
Award(A) | 12 | $0 | 0.0% |
Insiders at STILLWATER MINING CO /DE/ are accumulating shares at an accelerated pace. With 13 insiders making 27 transactions totaling $3.0M in purchases versus $0 in sales, the net buying activity of $3.0M signals strong executive confidence. Capital Llc Tailwater (Executive) leads the buying activity with $3.0M in transactions across all time.