The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Tappin Matthew since 2024.
This trader's CIK number is 1986259.
At the time of last reporting, Tappin Matthew was the President, Software Division of Stem, Inc.. (stock ticker symbol STEM).
Also see all insider trading activities at Stem, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | STEM | 0 | $0 | 48,832 | $22,636 | 69,655 | $0 |
| 2024 | STEM | 0 | $0 | 78,779 | $182,963 | 27,090 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-05-30 | STEM | Sale | 1,164 | .45 | 524 |
| 2025-06-16 | STEM | Sale | 20,823 | .45 | 9,370 |
| 2025-05-29 | STEM | Option Ex | 2,775 | .00 | 0 |
| 2025-03-12 | STEM | Sale | 13,070 | .40 | 5,280 |
| 2025-03-06 | STEM | Option Ex | 13,397 | .00 | 0 |
| 2025-03-07 | STEM | Sale | 5,645 | .42 | 2,365 |
| 2025-03-11 | STEM | Option Ex | 29,167 | .00 | 0 |
| 2025-02-19 | STEM | Option Ex | 24,316 | .00 | 0 |
| 2025-02-20 | STEM | Sale | 8,130 | .63 | 5,097 |
| 2024-05-28 | STEM | Sale | 1,388 | 1.32 | 1,832 |
| 2024-05-24 | STEM | Option Ex | 2,775 | .00 | 0 |
| 2024-03-19 | STEM | Sale | 26,640 | 1.82 | 48,484 |
| 2024-03-08 | STEM | Sale | 24,899 | 2.19 | 54,528 |
| 2024-03-05 | STEM | Sale | 3,837 | 2.41 | 9,247 |
| 2024-02-20 | STEM | Sale | 6,857 | 3.05 | 20,913 |
| 2024-02-15 | STEM | Option Ex | 24,315 | .00 | 0 |
| 2024-02-16 | STEM | Sale | 10,602 | 3.17 | 33,608 |
| 2024-02-14 | STEM | Sale | 4,556 | 3.15 | 14,351 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Tappin Matthew (President, Software Division of Stem, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.