# C-Combinator, A Public Benefit Corp — Form D/A

C-Combinator, A Public Benefit Corp of Hingham, MA, a company, filed a Form D amendment with the SEC on 2024-08-14. The offering totals $750K, of which $300K was reported sold. Industry: Other.

## Offering

- Filed: 2024-08-14
- Form: D/A
- Accession: 0001854256-24-000003
- Industry: Other
- Exemptions: 06b
- Total offering: $750K
- Amount sold: $300K
- Remaining: $450K
- Date of first sale: 2024-07-10
- Security types: equity
- Revenue range: Decline to Disclose
- SEC file number: 021-520928

## Issuer

- Name: C-Combinator, A Public Benefit Corp
- CIK: 0001854256
- Entity type: Corporation
- Jurisdiction: DELAWARE
- Incorporated: 2020
- Address: 3 Catha Ln Suite 1102, Hingham, MA, 02043
- Phone: (401) 533-7761

## Officers, directors & promoters (3)

| Name | Role | Location |
| --- | --- | --- |
| Robert Benjamin Ellis | Executive Officer | Hingham, MA |
| Robert Benjamin Ellis | Related Person | Hingham, MA |
| Geoff Benjamin Chapin | Executive Officer | Boston, MA |

## Other filings by this issuer (5)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2026-04-29](https://search.stillhousedata.com/formd/0001854256-26-000003) | D | $1.5M | $205K |
| [2024-08-09](https://search.stillhousedata.com/formd/0001854256-24-000002) | D/A | $750K | $250K |
| [2024-08-08](https://search.stillhousedata.com/formd/0001854256-24-000001) | D | $750K | $250K |
| [2023-08-07](https://search.stillhousedata.com/formd/0001854256-23-000003) | D/A | $9.0M | $9.0M |
| [2023-01-24](https://search.stillhousedata.com/formd/0001854256-23-000002) | D | $7.0M | $5.0M |

## More

- [CIK 1854256 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1854256&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001854256-24-000003.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.