/Companies

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 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
Full filing on SEC EDGAR ↗

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.