# ARROWHEAD RESEARCH CORP: Form D filings

ARROWHEAD RESEARCH CORP, a biotechnology company in Pasadena, CA, filed 6 Form D notices with the SEC between 2009 and 2013. The latest, on October 22, 2013, reports $64 million sold of a $64 million offering to 11 investors.

Find out what ARROWHEAD RESEARCH CORP does, who founded it and who invested, beyond what the filing says. $10 of credit on sign-up, no card.

- [Watch for new raises](https://specstream.ai/workspace/ask?q=Tell%20me%20when%20ARROWHEAD%20RESEARCH%20CORP%20files%20a%20new%20Form%20D%20or%20reports%20more%20money%20sold%2C%20with%20the%20filing&src=data-formd&kind=alert&entity=ARROWHEAD%20RESEARCH%20CORP&page=%2Fdata%2Fform-d%2Fcompany%2Farrowhead-research-corp-879407)
- [Get founders and investors](https://specstream.ai/workspace/ask?q=For%20ARROWHEAD%20RESEARCH%20CORP%2C%20find%20what%20the%20company%20does%2C%20its%20website%2C%20the%20founders%20and%20executives%20with%20their%20LinkedIn%20and%20work%20email%2C%20its%20investors%20and%20every%20funding%20round%20with%20the%20amounts%2C%20its%20headcount%20and%20any%20reported%20valuation&src=data-formd&kind=record&entity=ARROWHEAD%20RESEARCH%20CORP&page=%2Fdata%2Fform-d%2Fcompany%2Farrowhead-research-corp-879407)

## The full lists

This record is a row of these lists. Pay by card with no account. Prices exclude VAT. CSV and Excel files with the columns this page does not show (company, CIK, year incorporated, street, city, state and 5 more), which open on your screen as soon as the payment clears and come by email.

- [Form D filings in California](https://specstream.ai/data/form-d/state/california): 5,891 rows, by operating companies, filed since November 1, 2024, $138.91, or the new rows each week for $19 a month. Buy: https://specstream.ai/data/form-d/state/california
- [Form D filings in Biotechnology](https://specstream.ai/data/form-d/industry/biotechnology): 1,568 rows, by operating companies, filed since November 1, 2024, $78.40, or the new rows each week for $19 a month. Buy: https://specstream.ai/data/form-d/industry/biotechnology

SpecStream is the live web data engine for teams and agents. It reads every Form D on SEC EDGAR the day it is filed, and this page is that reading. Ask for your own cut (a state, an industry, a size) and new filings arrive in your sheet, CRM, Slack or agent as they land.

## Company details from the filing

- Address: 225 South Lake Avenue, Suite 1050, Pasadena, CA, 91101
- Phone: (626) 304-3400
- Industry: Biotechnology
- Entity type: Corporation
- Incorporated in: Delaware
- Revenue range: $1 - $1,000,000
- Exemptions claimed: Rule 506(b)
- SEC identifier (CIK): 879407

## Form D filings

| Filed | Type | Offering | Sold | Remaining | Investors | First sale | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Oct 22, 2013 | New notice | $64,000,000 | $64,000,000 | $0 | 11 | Oct 11, 2013 | [sec.gov](https://www.sec.gov/Archives/edgar/data/879407/000118143113054655/0001181431-13-054655-index.htm) |
| May 16, 2013 | New notice | $36,000,000 | $36,000,000 | $0 | 16 | May 3, 2013 | [sec.gov](https://www.sec.gov/Archives/edgar/data/879407/000118143113028068/0001181431-13-028068-index.htm) |
| Sep 30, 2010 | New notice | Indefinite | $0 | Indefinite | 2 | Sep 16, 2010 | [sec.gov](https://www.sec.gov/Archives/edgar/data/879407/000118143110048404/0001181431-10-048404-index.htm) |
| Jan 29, 2010 | New notice | $3,222,896 | $3,222,896 | $0 | 27 | Dec 11, 2009 | [sec.gov](https://www.sec.gov/Archives/edgar/data/879407/000118143110005341/0001181431-10-005341-index.htm) |
| Aug 13, 2009 | Amendment | $2,760,000 | $2,760,000 | $0 | 26 | Jul 17, 2009 | [sec.gov](https://www.sec.gov/Archives/edgar/data/879407/000118143109039245/0001181431-09-039245-index.htm) |
| Aug 3, 2009 | New notice | $2,760,000 | $1,859,250 | $900,750 | 12 | Jul 17, 2009 | [sec.gov](https://www.sec.gov/Archives/edgar/data/879407/000118143109037411/0001181431-09-037411-index.htm) |

## Executive officers and directors named in the filing

| Name | Role | Note in the filing |
| --- | --- | --- |
| Charles McKenney | Director |  |
| Christopher Anzalone | Executive Officer, Director |  |
| Edward Frykman | Director |  |
| Michael S. Perry | Director |  |
| Bruce S. Given | Executive Officer |  |
| Mauro A. Ferrari | Director |  |
| Douglass A. Given | Director |  |
| Kenneth A. Myszkowski | Executive Officer |  |

## Other biotechnology companies in California that filed recently

- [CARI Health, Inc.](https://specstream.ai/data/form-d/company/cari-health-inc-1930994) $280,000 · Nov 6, 2026
- [Ausel, Inc.](https://specstream.ai/data/form-d/company/ausel-inc-2124022) $120,000 · Nov 4, 2026
- [Trellis Bioscience, Inc.](https://specstream.ai/data/form-d/company/trellis-bioscience-inc-1162015) $9.1 million · Oct 29, 2026
- [BigHat Biosciences, Inc.](https://specstream.ai/data/form-d/company/bighat-biosciences-inc-1797256) $75.1 million · Oct 26, 2026
- [Theravie Pharma, Inc.](https://specstream.ai/data/form-d/company/theravie-pharma-inc-2160768) $750,000 · Oct 19, 2026
- [Adela, Inc.](https://specstream.ai/data/form-d/company/adela-inc-1852167) $12 million · Oct 19, 2026
- [Estuary Biotherapeutics, Inc.](https://specstream.ai/data/form-d/company/estuary-biotherapeutics-inc-2138862) $40.7 million · Oct 16, 2026
- [Renue Life Sciences, Inc.](https://specstream.ai/data/form-d/company/renue-life-sciences-inc-2158207) $250,000 · Oct 14, 2026
- [Tempest Therapeutics, Inc.](https://specstream.ai/data/form-d/company/tempest-therapeutics-inc-1544227) $7.5 million · Oct 14, 2026
- [Lionheart Health, Inc.](https://specstream.ai/data/form-d/company/lionheart-health-inc-2156758) $387,500 · Oct 7, 2026
- [Rakuten Medical, Inc.](https://specstream.ai/data/form-d/company/rakuten-medical-inc-1595215) $9 million · Oct 6, 2026
- [Zonaliz, Inc.](https://specstream.ai/data/form-d/company/zonaliz-inc-2157556) $2.5 million · Oct 5, 2026
- [Altay Therapeutics, Inc.](https://specstream.ai/data/form-d/company/altay-therapeutics-inc-2157551) $15.7 million · Oct 2, 2026
- [Sialia Therapeutics, Inc.](https://specstream.ai/data/form-d/company/sialia-therapeutics-inc-2156754) $1.5 million · Sep 29, 2026
- [Vetmab Biosciences, Inc.](https://specstream.ai/data/form-d/company/vetmab-biosciences-inc-1932050) $11.4 million · Sep 29, 2026

[Every Form D from the week of Oct 21, 2013](https://specstream.ai/data/form-d/week/2013-10-21) · [All recent filings in California](https://specstream.ai/data/form-d/state/california) · [All recent Biotechnology filings](https://specstream.ai/data/form-d/industry/biotechnology)

Read from SEC EDGAR. Amount sold is what ARROWHEAD RESEARCH CORP 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](https://creativecommons.org/licenses/by/4.0/).