Open Insider Trading Activity for Stem, Inc. President, Software Products Tappin Matthew
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
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Charting by TradingView Lightweight Charts
| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting STEM | 2026-03-10 | 2026-03-10 | Stem, Inc. | Tappin Matthew | President, Software Products | Sell | 1 | 655 | $11.12 | $7,283.60 | 16.88% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction STEM | 2025-06-18 | 2025-06-16 | Stem, Inc. | Tappin Matthew | President, Software Division | Sell | 2 | 21,987 | $0.45 | $9,894.15 | 18.68% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting STEM | 2025-03-17 | 2025-03-12 | Stem, Inc. | Tappin Matthew | President, Software Division | Sell | 2 | 18,715 | $0.41 | $7,598.90 | 16.14% | View Filing |