Koster Energy
Fairfield, US · Founded 2026
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Founders & leadership
PL
Polo Leo Altynski-RossChief Executive Officer
SG
Stephen George RossChief Operations Officer
Reported raises · per SEC filings
Form D private placements$500K disclosed across 1 round · 2026
▶$500KraisedOct 2026 · 12 investors · Energy ConservationRule 506(b)
▶$500KraisedOct 2026 · 12 investors · Energy Conservation
Rule 506(b)Officers, directors & promoters on the filing
- Polo Leo Altynski-RossExecutive Officer
- Stephen George RossExecutive Officer
- Offering amount
- $1M
- Amount sold
- $500K
- Proceeds to insiders
- $216K
- First sale
- Sep 2026
- Incorporated
- Corporation, Delaware, 2026
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Frequently asked questions
- How much funding has Koster Energy raised?
- Koster Energy has disclosed $500K raised across 1 round.
- Where is Koster Energy headquartered?
- Koster Energy is headquartered in Fairfield, US.