PHAST CORP

Boston, MA · Founded 2017 · Medtech · Private

Rapid antibiotic susceptibility testing (AST) diagnostic platform using single-cell time-lapse imaging to quantify pathogen phenotypic changes within 15-90 minutes, directly from patient samples

Claim this profile

Follows are private to you and power your alerts

Updated Oct 23, 2026 · phastdiagnostics.com

Sector: Medtech
Headquarters: Boston, MA
Founded: 2017
Latest Form D: $3.5M, Apr 2025
Total capital: $19.8M

Federal grants: $1.2M; 3 awards · 2019–2020; Rank in peer group#136 of 445
Private capital raised: $18.6M; 3 Form D · last Apr 2025; 18 months since last filing
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 3; 2 pending · first 2019; Rank in peer group#68 of 445

Capital timeline

Latest events

Apr 2025Private capital raisedForm D · SEC · 3rd filing$3.5M
Dec 2022Private capital raisedForm D · SEC · 2nd filing$4.4M
Oct 2021Private capital raisedForm D · SEC · 1st filing$10.8M
Jul 2020Federal grantHealth and Human S · Phase I · Using combinations of single-cell phenotypes for rapid antibiotic susceptibility testing$300K
Aug 2019Federal grantHealth and Human S · Phase I · Using combinations of single-cell phenotypes for rapid antibiotic susceptibility testing$600K
Jul 2019Federal grantHealth and Human S · Phase I · Using combinations of single-cell phenotypes for rapid antibiotic susceptibility testing$300K

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Federal first

27months

from PHAST CORP’s first federal award to its first private round.

First federal award · Jul 2019: Health and Human S · $300K
First Form D · Oct 2021: $10.8M · 1st Form D
Awards before first raise: 3 awards

An association in public records, not a cause or a prediction.

Standing among 445 peers

Line = median

Medtech · Device

Federal grants#136 · top 31%
Granted patents#68 · top 15%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

Researcher links verified by same-company patents and grants

Kwangmin SonResearcherExecutive Officer, DirectorLinked by 3 patents · $1.2M in grants as PI
Roman StockerExecutive Officer, DirectorNamed in SEC Form D filings

What it has protected

USPTO · 3 granted of 5

Dec 7, 2023PendingAnalyzing And Using Motility Kinematics Of MicroorganismsUSPTOApplication 18446048
Sep 19, 2023GrantedAnalyzing And Using Motility Kinematics Of MicroorganismsUSPTOUS 11,761,023
Jul 25, 2023GrantedAnalyzing And Using Motility Kinematics Of MicroorganismsUSPTOUS 11,708,596

Show all 5 patent records

Analyzing And Using Motility Kinematics Of MicroorganismsDec 7, 2023 · Application 18446048Pending
Analyzing And Using Motility Kinematics Of MicroorganismsSep 19, 2023 · US 11,761,023Granted
Analyzing And Using Motility Kinematics Of MicroorganismsJul 25, 2023 · US 11,708,596Granted
Analyzing And Using Motility Kinematics Of MicroorganismsApr 23, 2019 · US 10,266,867Granted
Analyzing And Using Motility Kinematics Of MicroorganismsApplication PCTUS2018015890Pending

EARLY IS GOOD INC.Similar federal contract value in Medtech · null in contracts
REVBIO, INC.Similar federal contract value in Medtech · null in contracts
ENDOMEDIX, INC.Similar federal contract value in Medtech · null in contracts
SCION NEUROSTIM, LLCSimilar federal contract value in Medtech · null in contracts
CONTRALINE, INC.Similar federal contract value in Medtech · null in contracts
FAUXSEE INNOVATIONS LLCSimilar federal contract value in Medtech · null in contracts

Regulatory activity · Medtech

Sector-level, not company-level

07 Jul 2026New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of SponsorFood and Drug Administration
30 Jun 2026Medical Devices; General and Plastic Surgery Devices; Classification of the Skin Patch for Treatment of HyperhidrosisFood and Drug Administration
30 Jun 2026Medical Devices; Anesthesiology Devices; Classification of the Monitor for Opioid Induced Impairment of OxygenationFood and Drug Administration
29 Jun 2026Medical Devices; Orthopedic Devices; Classification of the Medial Knee Implanted Shock AbsorberFood and Drug Administration
26 Jun 2026Medical Devices; Neurological Devices; Classification of the External Lower Extremity Nerve Stimulator for Restless Legs SyndromeFood and Drug Administration
26 Jun 2026Medical Devices; General Hospital and Personal Use Devices; Classification of the Infant Supine Sleep SystemFood and Drug Administration

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.