- Is Arrowhead Research Inc a tax-exempt 501(c)(3)?
- Yes — Arrowhead Research Inc is recognised by the IRS as a 501(c)(3) organisation (EIN 39-2779428). The IRS recognised Arrowhead Research Inc as tax-exempt in September 2025.
- What is Arrowhead Research Inc's EIN?
- Arrowhead Research Inc's Employer Identification Number (EIN) is 39-2779428. The EIN was assigned by the IRS in September 2025. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Arrowhead Research Inc do?
- Arrowhead Research Inc is registered with the IRS as a human services nonprofit organisation. A detailed mission statement is not available on its most recent Form 990 filing.
- Where is Arrowhead Research Inc located?
- Arrowhead Research Inc is located at 7901 4th ST N STE 300, ST Petersburg, FL, 33702-4399.
- When was Arrowhead Research Inc founded or recognised by the IRS?
- Arrowhead Research Inc was recognised by the IRS as a tax-exempt organisation in September 2025. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
