John P. Miller
Known title: DirectorCIK: 0001709137
John P. Miller's purchase track record
How the stock did after each of John P. Miller's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
3
of 4 since September 15, 2022
Stock higher 6 months later
0%
3 months: 0%
Median 6-month return
-31.0%
3 months: -4.2%
Beat the S&P 500
0%
median -32.5% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 11/25/2025 | CEPL | $50K | pending | pending | — |
| 12/2/2024 | SPRU | $52K | -4.0% | -19.5% | -1.8% |
| 5/18/2023 | SPRU | $17K | -4.2% | -42.5% | +7.4% |
| 9/15/2022 | SPRU | $22K | -25.7% | -31.0% | +1.5% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| CEPL | ▲ Buy | Grant | 5,357 | $0 | 9/1/2026 | View on chart |
| CEPL | ▲ Buy | Open Market | 25,000 | $50K | 11/25/2025 | View on chart |
| CEPL | ▲ Buy | Grant | 4,149 | $0 | 8/12/2025 | View on chart |
| SPRU | ▲ Buy | Grant | 75,000 | $0 | 6/24/2025 | View on chart |
| CEPL | ▲ Buy | Grant | 12,658 | $0 | 2/12/2025 | View on chart |
| SPRU | ▲ Buy | Open Market | 20,000 | $52K | 12/2/2024 | View on chart |
| SPRU | ▲ Buy | Grant | 48,232 | $0 | 8/12/2024 | View on chart |
| CEPL | ▲ Buy | Grant | 10,000 | $0 | 2/26/2024 | View on chart |
| SPRU | ▲ Buy | Grant | 202,812 | $0 | 5/25/2023 | View on chart |
| SPRU | ▲ Buy | Open Market | 20,000 | $17K | 5/18/2023 | View on chart |
| SPRU | ▲ Buy | Open Market | 20,000 | $22K | 9/15/2022 | View on chart |
| SPRU | ▲ Buy | Grant | 241,935 | $0 | 5/4/2022 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 27, 2026
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Capstone Energy+ Focuses on Data Center Expansion. Capstone Energy+ is preparing to attend upcoming data center industry events, signaling a strategic push toward that sector. While recent analysis notes improved margins, the company has not yet generated revenue from data centers. The stock recently saw a 5.4% jump, though it remains well below its average analyst target price.