Tappin Matthew
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Tappin Matthew. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| STEM | President, Software Products | Sale | 9,584 | $17.70 | $169,637 | Nov 11, 2025 |
| STEM | President, Software Products | Tax Withholding | 5,416 | $18.27 | $98,950 | Nov 7, 2025 |
| STEM | President, Software Division | Option Exercise | 2,775 | — | — | May 30, 2025 |
| STEM | President, Software Division | Sale | 13,070 | $0.40 | $5,228 | Mar 11, 2025 |
| STEM | President, Software Division | Option Exercise | 24,316 | — | — | Feb 20, 2025 |
| STEM | President, Asset Management | Sale | 1,388 | $1.32 | $1,832 | May 28, 2024 |
| STEM | President, Asset Management | Option Exercise | 2,775 | — | — | May 24, 2024 |
| STEM | President, Asset Management | Sale | 26,640 | $1.82 | $48,485 | Mar 19, 2024 |
| STEM | President, Asset Management | Sale | 24,899 | $2.19 | $54,529 | Mar 8, 2024 |
| STEM | President, Asset Management | Sale | 3,837 | $2.41 | $9,247 | Mar 5, 2024 |
| STEM | President, Asset Management | Award / Grant | 51,539 | — | — | Mar 4, 2024 |
| STEM | President, Asset Management | Sale | 6,857 | $3.05 | $20,914 | Feb 20, 2024 |
| STEM | President, Asset Management | Option Exercise | 24,315 | — | — | Feb 16, 2024 |
| STEM | President, Asset Management | Sale | 4,556 | $3.15 | $14,351 | Feb 14, 2024 |
| STEM | President, Asset Management | Sale | 5,207 | $3.56 | $18,537 | Dec 31, 2023 |