United States · 
Who invested in Hapten Sciences?
Hapten Sciences's investors include MB Venture Partners.
201320142015
$700KSeed$275KSeed$475KVenture$250KRound$225KRound
United States · Funded startup
Who invested in Hapten Sciences
5 rounds we have observed, with the one investor named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
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Funding summaryUpdated 31 Oct 2026
$1.9Mraised across 5 rounds since 2012, from 5 sources
$700KSeed$275KSeed$475KVenture$250KRound$225KRound
- Latest round
- Round, $225KSept 2015
- Biggest round
- $700KSeed · Jun 2012
- Investors
- 1
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $700K Jun 2012
- Biggest round
- $700K Seed · Jun 2012
- Usual gap between rounds
- 12 months the median of 4
The rounds
- Sept 2015Round$225K
No investor was named in the report.
From a historical funding recordSEC filing: $225K sold, first sale Sept 2015
- Apr 2015Round$250K
No investor was named in the report.
From a historical funding recordSEC filing: $250K sold, first sale Apr 2015
- Jan 2014Venture$475K1 returning
From a historical funding recordSEC filing: $475K sold, first sale May 2013
- Jun 2013
- Jun 2012
Founders and team
From the SEC filings it signed: 2 on the team.
- Gary ProstermanExecutive Officer, Directori
- Raymond J. HageExecutive Officer, Directori
On the board, as filediStephen L. Bandak
AdvisersGary L. Stevenson
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Hapten Sciences
How much has Hapten Sciences raised?
Hapten Sciences has raised $1.9M across 5 rounds since 2012.
When did Hapten Sciences last raise?
Hapten Sciences's most recent round was an Undisclosed round of $225K in Sept 2015.
What was Hapten Sciences's biggest round?
Hapten Sciences's largest round on record is $700K (Seed), in Jun 2012.
Who backed Hapten Sciences first?
Hapten Sciences's first round on record, in Jun 2012, was backed by MB Venture Partners.
What stage is Hapten Sciences at?
Hapten Sciences's latest named round is an Undisclosed round, in Sept 2015.
Where is Hapten Sciences based?
Hapten Sciences is based in the United States.
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