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PhAST

Boston, US · Founded 2017 · Delaware corporation

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PhAST develops AI and machine learning imaging technology for infectious disease diagnostics, using single-cell imaging and a cloud-based platform to address antibiotic resistance. Its platform provides clinical decision support for doctors, workflow tools for hospitals, and drug development support for pharmaceutical companies.

Founders & leadership

PhAST was founded in 2017 by Roman Stocker and Kwangmin Son.

RSRoman Stocker
Roman StockerCo-founder
KSKwangmin Son
Kwangmin SonCo-founder

Reported raises · per SEC filings

Form D private placements

$18.6M disclosed across 3 rounds · 2021–2025

▶$3.5MraisedApr 2025 · 5 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Roman StockerExecutive Officer, Director
  • Kwangmin SonExecutive Officer, Director
Offering amount
$8M
Amount sold
$3.5M
First sale
Apr 2025
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$4.4MraisedDec 2022 · 3 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Roman StockerExecutive Officer, Director
  • Kwangmin SonExecutive Officer, Director
Offering amount
$14M
Amount sold
$4.4M
First sale
Dec 2022
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$10.8MraisedOct 2021 · 15 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Kwangmin SonExecutive Officer, Director
  • Roman StockerExecutive Officer, Director
Offering amount
$19M
Amount sold
$10.8M
First sale
Oct 2021
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗

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 PhAST do?
PhAST develops AI and machine learning imaging technology for infectious disease diagnostics, using single-cell imaging and a cloud-based platform to address antibiotic resistance. Its platform provides clinical decision support for doctors, workflow tools for hospitals, and drug development support for pharmaceutical companies.
Who founded PhAST?
PhAST was founded by Roman Stocker, Kwangmin Son in 2017.
How much funding has PhAST raised?
PhAST has disclosed $18.6M raised across 3 rounds.
Where is PhAST headquartered?
PhAST is headquartered in Boston, US.