STEM — STEM, INC.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2020-10-08.
Performance
Technicals
Others in Technology
Measured signals that fired on STEM
| date | signal | measured base rate |
|---|---|---|
| 2026-07-02 | Cluster sale: three or more insiders insider | -0.37% over 21 days · t = -3.38 · n = 21,542 statistically distinguishable from its control group |
| 2026-03-10 | Cluster sale: three or more insiders insider | -0.37% over 21 days · t = -3.38 · n = 21,542 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-07 | Birns Ira M Director | Option exercise | 7.5K | — | — |
| 2026-08-07 | Daley Adam Director | Option exercise | 7.5K | — | — |
| 2026-08-07 | BUZBY DAVID S Director | Option exercise | 7.5K | — | — |
| 2026-08-07 | TYSON LAURA D Director | Grant or award | 7.5K | — | — |
| 2026-08-07 | Shivram Krishna Director | Option exercise | 7.5K | — | — |
| 2026-08-07 | Tammineedi Anil Director | Option exercise | 7.5K | — | — |
| 2026-08-07 | Guruswamy Vasudevan Director | Option exercise | 7.5K | — | — |
| 2026-07-20 | Musfeldt Brian Chief Financial Officer | Open-market sale | 996 | 6.11 | 6.1K |
| 2026-07-17 | Musfeldt Brian Chief Financial Officer | Option exercise | 3.4K | 6.26 | 21.1K |
| 2026-07-02 | Narayanan Arun Chief Executive Officer | Open-market sale | 2.0K | 7.85 | 15.7K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 3.0M | 343.8K |
| MARSHALL WACE, LLP | 2.6M | 291.3K |
| TWO SIGMA INVESTMENTS, LP | 1.6M | 175.4K |
| BlackRock, Inc. | 1.2M | 134.7K |
| GEODE CAPITAL MANAGEMENT, LLC | 814.1K | 92.1K |
| Trexquant Investment LP | 810.4K | 91.7K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 615.3K | 69.6K |
| RENAISSANCE TECHNOLOGIES LLC | 517.8K | 58.6K |
| UBS Group AG | 470.6K | 53.2K |
| BNP PARIBAS FINANCIAL MARKETS | 469.4K | 53.1K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Stem, Inc. (STEM) filed form 8-K · 2026-08-12 · SEC EDGAR
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