Updated Jul 16, 2026
Miller John P. is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $52K.

John P. Miller is a corporate executive known for his roles in the renewable energy sector. He has served as a Director and Interim CFO for companies such as Spruce Power Holding Corp and Capstone Green Energy Holdings, Inc. His experience spans financial management and strategic oversight in the energy industry.
| Role | Director |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-02-06 | SPRU | SPRUCE POWER HOLDING CORP | A — Grant or award | 75.0K | $0.00 | |
| 2025-08-12 | CGEH | Capstone Green Energy Holdings, Inc. | A — Grant or award | 4.1K | $0.00 | |
| 2024-12-04 | SPRU | SPRUCE POWER HOLDING CORP | P — Open-market purchase | 20.0K | $2.62 | $52K |
John P. Miller is a corporate executive known for his roles in the renewable energy sector. He has served as a Director and Interim CFO for companies such as Spruce Power Holding Corp and Capstone Green Energy Holdings, Inc. His experience spans financial management and strategic oversight in the energy industry.…
Recorded transactions: 1 open-market purchases ($52K) and 0 open-market sales () across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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