/Companies

Rational Vaccines

Universal City, US · Founded 2015 · Delaware corporation · 2 known investors

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Rational Vaccines is a biotech company focused on the herpes simplex virus (HSV-1 and HSV-2), addressing conditions such as genital and oral herpes, neonatal HSV, ocular herpes, and HSV-related complications in immunocompromised patients. This page is an educational overview of herpes rather than a product listing.

Founders & leadership

Rational Vaccines was founded in 2015 by Agustin Fernandez III, William P. Halford, and AGUSTIN FERNANDEZ III.

AF
Agustin Fernandez IIICo-founder
WP
William P. HalfordCo-founder
AF
AGUSTIN FERNANDEZ IIIFounder
PB
Paul BohmExecutive
AFAziz Friedrich
Aziz FriedrichChief Financial Officer and VP of Operations2020–2021Aziz Friedrich is the Executive Officer of Rational Vaccines, an investigational-stage infectious disease company developing live attenuated viral vaccine candidates targeting herpes simplex virus 1 and 2, with applications toward COVID-19 and related diagnostics.
MF
Mr. FernandezFounder & Chief Executive Officer

Investors · 2

Reported raises · per SEC filings

Form D private placements

$27.8M disclosed across 5 rounds · 2015–2020

▶$11.7MraisedJun 2022 · 16 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Olivier JarryExecutive Officer
  • Agustin FernandezExecutive Officer, Director
  • David BrindleyExecutive Officer
  • Jeffrey MaddenDirector
  • Diane AbbittDirector
  • Jason CammDirector
Offering amount
$11.7M
Amount sold
$11.7M
First sale
Mar 2020
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$6.8MraisedSep 2018 · 9 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • Agustin Fernandez IIIExecutive Officer, Director
  • Jason CammDirector
Offering amount
$30M
Amount sold
$6.8M
First sale
Sep 2018
Incorporated
Corporation, Delaware, 2015
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$8.2MraisedSep 2017 · 25 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • Jason CammDirector
  • Agustin Fernandez IIIExecutive Officer, Director
Offering amount
$8.2M
Amount sold
$8.2M
First sale
Aug 2017
Incorporated
Corporation, Delaware, 2015
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$364KraisedOct 2016 · 5 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • William P. HalfordExecutive Officer, Director
  • Agustin Fernandez IIIExecutive Officer, Director
Offering amount
$2M
Amount sold
$364K
First sale
Oct 2016
Incorporated
Corporation, California, 2015
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$700KraisedSep 2015 · 10 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • Paul BohmExecutive Officer
  • Agustin Fernandez IIIExecutive Officer, Director
  • Aziz FriedrichExecutive Officer
  • William P. HalfordExecutive Officer, Director
Offering amount
$700K
Amount sold
$700K
First sale
Apr 2015
Incorporated
Corporation, Delaware, 2015
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Related companies · 1

Companies working in the same space as Rational Vaccines.

Non-dilutive funding · 3 SBIR/STTR awards

Federal grants — no equity taken
AgencyPhaseYearAmount
National Institutes of Health (NIH)National Institutes of HealthPhase I2023$291.5K
National Institutes of Health (NIH)National Institutes of HealthPhase I2023$288.1K
National Institutes of Health (NIH)National Institutes of HealthPhase I2022$269.6K

Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.

In the news

Frequently asked questions

What does Rational Vaccines do?
Rational Vaccines is a biotech company focused on the herpes simplex virus (HSV-1 and HSV-2), addressing conditions such as genital and oral herpes, neonatal HSV, ocular herpes, and HSV-related complications in immunocompromised patients. This page is an educational overview of herpes rather than a product listing.
Who founded Rational Vaccines?
Rational Vaccines was founded by Agustin Fernandez III, William P. Halford, AGUSTIN FERNANDEZ III in 2015.
Who are Rational Vaccines's investors?
Rational Vaccines's investors include AAF Management Ltd., Gaingels.
How much funding has Rational Vaccines raised?
Rational Vaccines has disclosed $27.8M raised across 5 rounds.
Where is Rational Vaccines headquartered?
Rational Vaccines is headquartered in Universal City, US.