Who Just RaisedEnergy · Redwood City, CANew
Circularity Fuels, Inc.
Circularity Fuels, Inc. is an energy company based in Redwood City, California. In a Form D filed with the SEC on October 14, 2026, it reported raising $8,790,194 from 13 investors as part of an offering of up to $10,209,999. The first sale in the offering took place on September 1, 2026.
Circularity Fuels builds AI-controlled, mass-manufacturable reactors that turn waste carbon and cheap renewable power into drop-in hydrocarbons, starting with affordable sustainable aviation fuel.
- First Form D. This is the first new Form D notice the company has filed with the SEC: likely its first priced outside round.
- Still raising. $1.4M of the $10.2M offering was still unsold at filing.
$8.8M raised since 2020
1 Form D offering, as reported to the SEC. Amendments update a round; they aren't counted twice.
| Filed | Sold | Offering size | Investors |
|---|---|---|---|
| Oct 14, 2026 | $8.8M | $10.2M | 13 |
Filing details
- Website
- circularityfuels.com
- Amount raised
- $8,790,194
- Offering size
- $10,209,999
- Investors so far
- 13
- Minimum investment
- $1
- First sale
- September 1, 2026
- Securities offered
- Equity, Securities issuable on exercise or conversion
- Exemption claimed
- Rule 506(b)
- Industry
- Energy
- Headquarters
- Redwood City, California
- Incorporated
- Delaware, 2023
- Entity type
- Corporation
Filings
| Filed | Form | Raised | Offering size | Investors | Source |
|---|---|---|---|---|---|
| D (new notice) | $8,790,194 | $10,209,999 | 13 | SEC filing |
Figures come from the company's own filing with the SEC and are shown as reported. How to read a Form D.
Similar raises
Enteligent Inc.
Morgan Hill, CA · filed Oct 96th Form D since 2022Still raising
Aikido Technologies, Inc.
San Francisco, CA · filed Oct 72nd Form D since 2024Still raising
Nuvve Holding Corp.
San Diego, CA · filed Sep 24Nuvve: Batteries, microgrids and Vehicle-to-Grid (V2G) for Intelligent Electrification; Nuvve powers flexible energy by turning buildings, batteries, and EVs..
7th Form D since 2024
Sunrun Inc.
San Francisco, CA · filed Sep 11Join 1 million+ homes powered by Sunrun. Get reliable home battery storage & solar energy to lower your electric bills. Call (833) 324-5886 for an instant quote!
3rd Form D since 2021