Fundraising Fox
Affinity Biosensors
Santa Barbara, US · California LLC
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AffinityBio develops LifeScale, a diagnostic system that uses population-profiling technology to identify Gram-negative bacteria in positive blood cultures and perform antibiotic susceptibility testing in roughly 4.5 hours. The system automates sample inoculation, incubation, reading, and reporting for clinical microbiology labs.
Founders & leadership
SM
Scott ManalisManager and Secretary
MP
Michael PfauSecretary
KB
Kenneth BabcockCEO
Board
LR
L. Robert JohnsonBoard director
JI
James IulianoBoard director
Reported raises · per SEC filings
Form D private placements$63.5M disclosed across 12 rounds · 2015–2026
▶$4.8MraisedSep 2026 · 1 investors · OtherRule 506(b)
▶$4.8MraisedSep 2026 · 1 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Kenneth BabcockExecutive Officer
- L. Robert JohnsonDirector
- Jeffrey HawkinsDirector
- Charles MamrakDirector
- Offering amount
- $10M
- Amount sold
- $4.8M
- First sale
- Mar 2026
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$14.4MraisedDec 2024 · 27 investors · OtherRule 506(b)
▶$14.4MraisedDec 2024 · 27 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Michael PfauExecutive Officer
- L. Robert JohnsonDirector
- James IulianoDirector
- Kenneth BabcockExecutive Officer, Director
- Offering amount
- $15M
- Amount sold
- $14.4M
- First sale
- Nov 2024
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$3.7MraisedJun 2024 · 27 investors · OtherRule 506(b)
▶$3.7MraisedJun 2024 · 27 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Michael E. PfauExecutive Officer
- L. Robert JohnsonDirector
- James IulianoDirector
- Kenneth BabcockExecutive Officer, Director
- Offering amount
- $4M
- Amount sold
- $3.7M
- First sale
- Jun 2024
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$2.4MraisedMar 2024 · 12 investors · OtherRule 506(b)
▶$2.4MraisedMar 2024 · 12 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- L. Robert JohnsonDirector
- Kenneth BabcockExecutive Officer, Director
- James IulianoDirector
- Michael E. PfauExecutive Officer
- Offering amount
- $3M
- Amount sold
- $2.4M
- First sale
- Nov 2023
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$3.5MraisedOct 2023 · 17 investors · OtherRule 506(b)
▶$3.5MraisedOct 2023 · 17 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Kenneth BabcockExecutive Officer, Director
- L. Robert JohnsonDirector
- James IulianoDirector
- Michael E. PfauExecutive Officer
- Offering amount
- $3.5M
- Amount sold
- $3.5M
- First sale
- Jul 2023
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$3.7MraisedFeb 2023 · 15 investors · OtherRule 506(b)
▶$3.7MraisedFeb 2023 · 15 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Kenneth BabcockExecutive Officer, Director
- James IulianoDirector
- L. Robert JohnsonDirector
- Michael E. PfauExecutive Officer
- Offering amount
- $4M
- Amount sold
- $3.7M
- First sale
- Nov 2022
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$5MraisedNov 2021 · 21 investors · OtherRule 506(b)
▶$5MraisedNov 2021 · 21 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Kenneth BabcockExecutive Officer, Director
- James IulianoDirector
- Michael PfauExecutive Officer
- L. Robert JohnsonDirector
- Offering amount
- $5M
- Amount sold
- $5M
- First sale
- Nov 2021
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
▶$4.3MraisedNov 2020 · 21 investors · OtherRule 506(b)
▶$4.3MraisedNov 2020 · 21 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- James IulianoDirector
- Michael PfauExecutive Officer
- L. Robert JohnsonDirector
- Kenneth BabcockExecutive Officer, Director
- Offering amount
- $5.1M
- Amount sold
- $4.3M
- First sale
- Nov 2020
- Incorporated
- Limited Liability Company, California
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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Frequently asked questions
- What does Affinity Biosensors do?
- AffinityBio develops LifeScale, a diagnostic system that uses population-profiling technology to identify Gram-negative bacteria in positive blood cultures and perform antibiotic susceptibility testing in roughly 4.5 hours. The system automates sample inoculation, incubation, reading, and reporting for clinical microbiology labs.
- Who founded Affinity Biosensors?
- Affinity Biosensors was founded by Scott Manalis.
- How much funding has Affinity Biosensors raised?
- Affinity Biosensors has disclosed $63.5M raised across 12 rounds.
- Where is Affinity Biosensors headquartered?
- Affinity Biosensors is headquartered in Santa Barbara, US.