STEM
STEM, INC. · Technology · Market cap $45.4M
Insiders sold $45K net in the last 90 days ·5 sellers, 0 buyers· latest Form 4 filed Jul 21, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$389K
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Latest filing
Aug 12, 2026
Musfeldt Brian
STEM, INC. (STEM) has 34 SEC Form 4 filings (52 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Aug 12, 2026.
Inside the rolling window, 6 insiders at STEM, INC. reported no open-market purchases and 16 open-market sales totaling $389K. The most active filer is President, Software Products Tappin Matthew with 7 filings. Insiders have net sold $160K over the trailing 6 months. The most recent open-market filing is a sale of 996 shares by Chief Financial Officer Musfeldt Brian, dated Jul 20, 2026, worth $6K.
- Industry:Software - Infrastructure
- CEO:Arun Narayanan
- Employees:569
- HQ:San Francisco, CA, US
- IPO:2020-10-08
| Source | |||||||
|---|---|---|---|---|---|---|---|
Musfeldt BrianFirst filing | Chief Financial Officer | Sale | 996 | $6K | Jul 21 | -25.0% | SEC ↗ |
Laureles Saul R.First in 4 months | Chief Legal Officer | Sale | 675 | $5K | Jul 2 | -39.9% | SEC ↗ |
Tappin MatthewFirst in 4 months | President, Software Products | Sale | 996 | $8K | Jul 2 | -39.9% | SEC ↗ |
Carlson Michael JamesFirst in 4 months | President, Managed Services | Sale | 1,347 | $11K | Jul 2 | -39.9% | SEC ↗ |
Narayanan ArunFirst in 4 months | Chief Executive Officer | Sale | 1,996 | $16K | Jul 2 | -39.9% | SEC ↗ |
| President, Software Products | Sale | 402 | $4K | Mar 13 | -54.9% | SEC ↗ | |
Narayanan ArunFirst filing | Chief Executive Officer | Sale | 5,145 | $57K | Mar 10 | -56.5% | SEC ↗ |
Carlson Michael JamesFirst filing | President, Managed Services | Sale | 2,079 | $23K | Mar 10 | -56.5% | SEC ↗ |
| Chief Legal Officer | Sale | 942 | $10K | Mar 10 | -56.5% | SEC ↗ | |
| President, Software Products | Sale | 655 | $7K | Mar 10 | -56.5% | SEC ↗ | |
| President, Software Products | Sale | 300 | $3K | Mar 4 | — | SEC ↗ | |
| President, Software Products | Sale | 185 | $2K | Mar 4 | — | SEC ↗ | |
Laureles Saul R.First filing | Chief Legal Officer | Sale | 292 | $3K | Mar 4 | — | SEC ↗ |
Tappin MatthewFirst in 3 months | President, Software Products | Sale | 366 | $4K | Feb 23 | — | SEC ↗ |
Tappin MatthewFirst filing | President, Software Products | Sale | 9,584 | $170K | Nov 24 | — | SEC ↗ |
Shukla RahulFirst filing | Chief Accounting Officer | Sale | 3,674 | $60K | Nov 19 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does STEM have?
STEM, INC. (STEM) has 34 SEC Form 4 filings (52 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Aug 12, 2026.
When was the most recent SEC Form 4 filing for STEM?
The most recent Form 4 filing for STEM on Tracefour is dated Aug 12, 2026.
Who is the most active insider at STEM?
The most active SEC Form 4 filer at STEM in the rolling window is President, Software Products Tappin Matthew, with 7 filings.
What is the net insider flow at STEM over the last 6 months?
Over the trailing 180 days, insiders at STEM have net sold $160K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at STEM in the current window?
Inside the rolling window, insiders at STEM bought $0 and sold $389K based on SEC Form 4 filings.
Can I get alerts for STEM insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at STEM, INC. (STEM). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
STEM, INC. is in the Technology sector.