Tappin Matthew 4
4 · STEM, INC. · Filed Mar 13, 2026
Research Summary
AI-generated summary of this filing
STEM President Matthew Tappin Sells 402 Shares
What Happened
Matthew Tappin, President, Software Products at STEM, sold 402 shares on March 11, 2026. The shares were sold at $10.83 per share for a total proceeds of $4,354. This transaction was a sale (code S), which is often routine rather than a bullish signal.
Key Details
- Transaction date: 2026-03-11
- Price: $10.83 per share; Shares sold: 402; Total proceeds: $4,354
- Transaction type: Sale (S) — reported as an open‑market/private sale on the Form 4
- Filing date (Form 4): 2026-03-13 (filed promptly; not reported late)
- Shares owned after the transaction: Not specified in the provided filing excerpt
- Footnote: Sale was made pursuant to a Rule 10b5-1 trading plan adopted by Mr. Tappin on March 18, 2025
Context
Sales under a 10b5-1 trading plan are pre‑scheduled trades and are commonly used by insiders to set up automated, rule‑based selling. Such sales do not necessarily reflect a change in the insider’s view of the company. The reported sale size is modest ($4.4K).
Insider Transaction Report
Form 4
STEM, INC.STEM
Tappin Matthew
President, Software Products
Transactions
- Sale
Common Stock, Par Value $0.0001 Per Share
[F1]2026-03-11$10.83/sh−402$4,354→ 2,823 total
Footnotes (1)
- [F1]The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 18, 2025.
Signature
/s/ Sarah Dunn, attorney-in-fact|2026-03-13