# Duo Security, Inc. — Form D

Duo Security, Inc. of ANN ARBOR, MI, a company, filed a Form D exempt-offering notice with the SEC on 2012-02-22. The offering totals $5.0M, of which $5.0M was reported sold. Industry: Other Technology.

## Offering

- Filed: 2012-02-22
- Form: D
- Accession: 0001499830-12-000002
- Industry: Other Technology
- Exemptions: 06
- Total offering: $5.0M
- Amount sold: $5.0M
- Minimum investment: $25K
- Investors: 5
- Date of first sale: 2012-02-17
- Security types: equity
- Revenue range: $1 - $1,000,000
- SEC file number: 021-173800

## Issuer

- Name: Duo Security, Inc.
- CIK: 0001499830
- Entity type: Corporation
- Jurisdiction: DELAWARE
- Incorporated: 2009
- Address: 1327 JONES DR., ANN ARBOR, MI, 48105
- Phone: 408-905-9550

## Officers, directors & promoters (4)

| Name | Role | Location |
| --- | --- | --- |
| Jonathan Clarke Oberheide | Director | Ann Arbor, MI |
| Douglas Joon Song | Director | Ann Arbor, MI |
| Jonathan Clarke Oberheide | Executive Officer | Ann Arbor, MI |
| Douglas Joon Song | Executive Officer | Ann Arbor, MI |

## Other filings by this issuer (2)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2012-08-13](https://search.stillhousedata.com/formd/0001499830-12-000003) | D | $1000K | $1000K |
| [2010-08-24](https://search.stillhousedata.com/formd/0001499830-10-000001) | D | $1.0M | $1.0M |

## More

- [CIK 1499830 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1499830&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001499830-12-000002.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
