---
schema_version: "secwatch.filing_event.v1"
accession: "0001758766-25-000045"
form_type: "8-K"
ticker: "STEM"
cik: "0001758766"
company_name: "STEM, INC."
filed_at: "2025-09-09T23:59:59+00:00"
generated_at: "2026-05-17T07:19:39.477453+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "medium"
source: SEC EDGAR
---

# Stem launches PowerTrack EMS, rebrands Athena to Optimizer, unifies brand

## Summary
- Launched PowerTrack EMS on Sept. 2, delivering 32% reduction in engineering hours and 99.99% controller reliability.
- Rebranded Athena platform to PowerTrack Optimizer on Sept. 5, consolidating under unified PowerTrack suite.
- PowerTrack Sage (AI-powered LLM workflows) announced for future release.
- Refreshed investor presentation published with updated strategic alignment and unified product portfolio.
- Company showcasing unified platform at RE+ 2025 in Las Vegas through Sept. 11.

## SEC filing metadata
- accession: 0001758766-25-000045
- form_type: 8-K
- ticker: STEM
- cik: 0001758766
- company_name: STEM, INC.
- filed_at: 2025-09-09T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: medium
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1758766/000175876625000045/0001758766-25-000045-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1758766/000175876625000045/stem-20250909.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001758766-25-000045
- JSON: https://secwatch.observer/filing/0001758766-25-000045.json
- Plain text: https://secwatch.observer/filing/0001758766-25-000045.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.