STEM insider trading — Stem, Inc.
Over the last 90 days, insiders at Stem, Inc. (STEM) made 0 open-market purchases worth $0 and 2 open-market sales worth $7K, making them net sellers by $7K. The largest sale was by Musfeldt Brian (Chief Financial Officer), who sold 996 shares for $6K on Jul 20, 2026.
Updated Oct 16, 2026.
Recent STEM insider transactions
Every Form 4 filed by Stem, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 29, 2026 | Carlson Michael James | President, Managed Services | S · Sale | Direct | 146 | $4.67 | $682 | Form 4 |
| Sep 26, 2026 | Carlson Michael James | President, Managed Services | M · Option exercise | Direct | 305 | $4.48 | $1K | Form 4 |
| Aug 7, 2026 | Tyson Laura D | Director | A · Grant/award | Direct | 7,486 | — | — | Form 4 |
| Aug 7, 2026 | Buzby David S | Director | M · Option exercise | Direct | 7,486 | — | — | Form 4 |
| Aug 7, 2026 | Birns Ira M | Director | M · Option exercise | Direct | 7,486 | — | — | Form 4 |
| Aug 7, 2026 | Shivram Krishna | Director | M · Option exercise | Direct | 7,486 | — | — | Form 4 |
| Aug 7, 2026 | Daley Adam | Director | M · Option exercise | Direct | 7,486 | — | — | Form 4 |
| Aug 7, 2026 | Guruswamy Vasudevan | Director | M · Option exercise | Direct | 7,486 | — | — | Form 4 |
| Aug 7, 2026 | Tammineedi Anil | Director | M · Option exercise | Direct | 7,486 | — | — | Form 4 |
| Jul 20, 2026 | Musfeldt Brian | Chief Financial Officer | S · Sale | Direct | 996 | $6.11 | $6K | Form 4 |
| Jul 17, 2026 | Musfeldt Brian | Chief Financial Officer | M · Option exercise | Direct | 3,375 | $6.26 | $21K | Form 4 |
STEM insider trading FAQ
Are insiders buying STEM stock?
Not on the open market. In the last 90 days, Stem, Inc. insiders made no open-market purchases, and 2 open-market sales totaling $7K. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading STEM?
Recent sellers: Carlson Michael James, Musfeldt Brian.
Where does STEM insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.