Hapten Sciences
Memphis, US · Founded 2011 · Delaware corporation · 1 known investors
Find your way into Hapten Sciences
Sign up to find every way you can get introduced to Hapten Sciences
- Your email: who you already know at Hapten Sciences, and who your contacts know
- 2nd- and 3rd-degree connections: people you know who worked, studied or invested with the Hapten Sciences team
- Your LinkedIn: the connections who can make the intro for you
We rank every route by how warm it is, so you raise on warm intros instead of cold emails.
Hapten Sciences develops early-stage pharmaceutical products focused on dermatological health, with its lead candidate PDC-APB in clinical development as a preventive immunotherapy for contact dermatitis caused by exposure to poisonous plants. The company targets healthcare providers and individuals affected by urushiol-related skin conditions.
Founders & leadership
Board

Investors · 1
Reported raises · per SEC filings
Form D private placements$5.8M disclosed across 6 of 8 rounds · 2013–2021
▶$3MofferedAug 2021 · PharmaceuticalsRule 506(b)
- Stephen L. BandakDirector
- Gary StevensonDirector
- Gary ProstermanExecutive Officer, Director
- Raymond J. HageExecutive Officer, Director
- Offering amount
- $3M
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$886KraisedOct 2019 · 4 investors · PharmaceuticalsRule 506(b)
- Raymond J. HageExecutive Officer, Director
- Gary ProstermanExecutive Officer, Director
- Gary StevensonDirector
- Stephen L. BandakDirector
- Offering amount
- $1.5M
- Amount sold
- $886K
- First sale
- Oct 2019
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$1.6MraisedSep 2018 · 5 investors · PharmaceuticalsRule 506(b)
- Raymond J. HageExecutive Officer, Director
- Stephen L. BandakDirector
- Gary StevensonDirector
- Gary ProstermanExecutive Officer, Director
- Offering amount
- $2.2M
- Amount sold
- $1.6M
- First sale
- Jan 2018
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$1.2MraisedFeb 2017 · 8 investors · PharmaceuticalsRule 506(b)
- Raymond J. HageExecutive Officer, Director
- Joseph ZakrzewskiDirector
- Gary StevensonDirector
- Stephen L. BandakDirector
- Gary ProstermanExecutive Officer, Director
- Offering amount
- $1.2M
- Amount sold
- $1.2M
- First sale
- Feb 2017
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$1.2MraisedJan 2016 · 6 investors · PharmaceuticalsRule 506(b)
- Gary StevensonDirector
- Joseph ZakrzewskiDirector
- Stephen I. BandakDirector
- Raymond J. HageExecutive Officer, Director, Promoter
- Gary ProstermanExecutive Officer, Director, Promoter
- Offering amount
- $1.7M
- Amount sold
- $1.2M
- First sale
- Sep 2015
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$250KraisedApr 2015 · 7 investors · PharmaceuticalsRule 506(b)
- Stephen I. BandakDirector
- Gary ProstermanExecutive Officer, Director, Promoter
- Raymond J HageExecutive Officer, Director, Promoter
- Gary StevensonDirector
- Offering amount
- $250K
- Amount sold
- $250K
- Minimum investment
- $3.1K
- First sale
- Apr 2015
- Incorporated
- Corporation, Delaware, 2011
- Federal exemptions
- 06b
▶$100KofferedFeb 2015 · PharmaceuticalsRule 506(b)
- Gary ProstermanExecutive Officer, Director, Promoter
- Stephen I. BandakDirector
- Raymond J HageExecutive Officer, Director, Promoter
- Gary StevensonDirector
- Offering amount
- $100K
- Incorporated
- Corporation, Delaware, 2011
- Federal exemptions
- 06b
▶$625KraisedFeb 2015 · 7 investors · PharmaceuticalsRule 506(b)
- Gary ProstermanExecutive Officer, Director, Promoter
- Raymond J HageExecutive Officer, Director, Promoter
- Stephen I. BandakDirector
- Gary StevensonDirector
- Offering amount
- $1.2M
- Amount sold
- $625K
- Minimum investment
- $25K
- Placement agents
- NA
- First sale
- May 2013
- Incorporated
- Corporation, Delaware, 2011
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Related companies · 2
Companies working in the same space as Hapten Sciences.
Frequently asked questions
- What does Hapten Sciences do?
- Hapten Sciences develops early-stage pharmaceutical products focused on dermatological health, with its lead candidate PDC-APB in clinical development as a preventive immunotherapy for contact dermatitis caused by exposure to poisonous plants. The company targets healthcare providers and individuals affected by urushiol-related skin conditions.
- Who are Hapten Sciences's investors?
- Hapten Sciences's investors include MB Venture Partners.
- How much funding has Hapten Sciences raised?
- Hapten Sciences has disclosed $5.8M raised across 6 of its 8 known rounds.
- Where is Hapten Sciences headquartered?
- Hapten Sciences is headquartered in Memphis, US.
