Tappin Matthew
President, Software Products
Tappin Matthew has filed 10 SEC Form 4 filings (15 transaction rows) across 1 company, with disclosures dating back to 2025. 10 of those filings fall inside the rolling window. Most recent filing: Jul 2, 2026.
On the most recent filing, Tappin Matthew is listed as President, Software Products at STEM, INC. Inside the rolling window, Tappin Matthew reported no open-market purchases and 7 open-market sales totaling $198K in STEM. The largest disclosed transaction in the window is a sale of 9,584 STEM shares on Nov 11, 2025, worth $170K.
Companies traded
Other insiders at STEM
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$198K
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| STEM | President, Software Products | Sale | 996 | $8K | Jul 2 | SEC ↗ | |
| STEM | President, Software Products | Sale | 402 | $4K | Mar 13 | SEC ↗ | |
| STEM | President, Software Products | Sale | 655 | $7K | Mar 10 | SEC ↗ | |
| STEM | President, Software Products | Sale | 300 | $3K | Mar 4 | SEC ↗ | |
| STEM | President, Software Products | Sale | 185 | $2K | Mar 4 | SEC ↗ | |
| STEM | President, Software Products | Sale | 366 | $4K | Feb 23 | SEC ↗ | |
| STEM | President, Software Products | Sale | 9,584 | $170K | Nov 24 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has Tappin Matthew made?
Tappin Matthew has filed 10 SEC Form 4 filings (15 transaction rows) across 1 company since 2025.
Which companies does Tappin Matthew trade?
Tappin Matthew has filed SEC Form 4 disclosures for 1 company, including STEM.
When was Tappin Matthew's most recent SEC Form 4 filing?
Tappin Matthew's most recent SEC Form 4 filing on Tracefour is dated Jul 2, 2026.
What is Tappin Matthew's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Tappin Matthew is listed as President, Software Products.
What is Tappin Matthew's total buy and sell value in the current window?
Inside the rolling retention window, Tappin Matthew bought $0 and sold $198K based on SEC Form 4 filings.
What was Tappin Matthew's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 9,584 STEM shares on 2025-11-11, worth $170K, per SEC Form 4 filings.