Data / Form D filings / Koster Energy, Inc.
Koster Energy, Inc.: Form D filing
Koster Energy, Inc., an energy conservation company in Fairfield, IA, filed a Form D with the SEC in 2026. The latest, on October 21, 2026, reports $500,000 sold of a $1 million offering to 12 investors.
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Company details from the filing
- Address
- 602 NORTH 6TH STREET, Fairfield, IA, 52556
- Phone
- (641) 233-0079
- Industry
- Energy Conservation
- Entity type
- Corporation
- Incorporated in
- Delaware
- Year incorporated
- 2026
- Revenue range
- $1 - $1,000,000
- Exemptions claimed
- Rule 506(b)
- SEC identifier (CIK)
- 2160554
Form D filings
| Filed | Type | Offering | Sold | Remaining | Investors | First sale | Filing |
|---|---|---|---|---|---|---|---|
| Oct 21 | New notice | $1,000,000 | $500,000 | $500,000 | 12 | Sep 12 | sec.gov |
Executive officers and directors named in the filing
| Name | Role | Note in the filing |
|---|---|---|
| Polo Leo Altynski-Ross | Executive Officer | Chief Executive Officer |
| Stephen George Ross | Executive Officer | Chief Operations Officer |
Every Form D from the week of Oct 19 · All recent filings in Iowa · All recent Energy Conservation filings
Read from SEC EDGAR. Amount sold is what Koster Energy, Inc. reported on the day it filed; on an offering that is still open, a later amendment can raise it. Free to reuse with credit to SpecStream under CC BY 4.0.