Matthew Tappin
President, Software Products · 8 filings · Latest: Jun 30, 2026
STEM, INC.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
STEM | Tappin Matthew | — | Aug 10, 2026 | Proposed Sale | $5.45 | 2,712 | $14.8K | — | |
STEM | Tappin Matthew | — | Jul 29, 2026 | Proposed Sale | $5.09 | 1,881 | $9.6K | — | |
STEM | Matthew Tappin | President, Software Products | Jul 2, 2026 | Sale | $7.85 | 996 | $7.8K | 9,577 | |
STEM | Matthew Tappin | President, Software Products | Jun 30, 2026 | Option Exercise | $7.81 | 7,750 | $60.5K | 10,573 | |
STEM | Tappin Matthew | — | Jul 2, 2026 | Proposed Sale | $7.75 | 996 | $7.7K | — | |
STEM | Matthew Tappin | President, Software Products | Mar 11, 2026 | Sale | $10.83 | 402 | $4.4K | 2,823 | |
STEM | Tappin Matthew | — | Mar 11, 2026 | Proposed Sale | $10.83 | 402 | $4.4K | — | |
STEM | Matthew Tappin | President, Software Products | Mar 10, 2026 | Sale | $11.12 | 655 | $7.3K | 3,225 | |
STEM | Matthew Tappin | President, Software Products | Mar 7, 2026 | Option Exercise | — | 1,458 | — | 3,880 | |
STEM | Tappin Matthew | — | Mar 10, 2026 | Proposed Sale | $11.12 | 655 | $7.3K | — | |
STEM | Matthew Tappin | President, Software Products | Mar 4, 2026 | Sale | $10.00 | 185 | $1.9K | 2,422 | |
STEM | Matthew Tappin | President, Software Products | Mar 3, 2026 | Sale | $9.67 | 300 | $2.9K | 2,607 | |
STEM | Tappin Matthew | — | Mar 4, 2026 | Proposed Sale | $10.00 | 185 | $1.9K | — | |
STEM | Tappin Matthew | — | Mar 3, 2026 | Proposed Sale | $9.67 | 300 | $2.9K | — | |
STEM | Matthew Tappin | President, Software Products | Mar 1, 2026 | Option Exercise | — | 670 | — | 2,907 | |
STEM | Matthew Tappin | President, Software Products | Feb 20, 2026 | Sale | $11.40 | 366 | $4.2K | 2,237 | |
STEM | Tappin Matthew | — | Feb 20, 2026 | Proposed Sale | $11.40 | 366 | $4.2K | — | |
STEM | Tappin Matthew | — | Feb 19, 2026 | Proposed Sale | $11.20 | 522 | $5.8K | — | |
STEM | Matthew Tappin | President, Software Products | Feb 15, 2026 | Option Exercise | — | 1,253 | — | 3,125 | |
STEM | Tappin Matthew | — | Nov 11, 2025 | Proposed Sale | $17.70 | 9,584 | $169.6K | — |
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