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Seraxis

Germantown, US · Founded 2021 · 6 known investors

Find your way into Seraxis

3 people in our graph share verified history with the Seraxis team — schools, employers, funds. One of them is your warm intro.

Katie Elliasunlockedknows Carole Welsch · together at Seraxis (overlapped)
×2knows the team · via Seraxis

Seraxis is a regenerative medicine company developing a replacement cell therapy for insulin-dependent (Type 1) diabetes, using engineered islet cells to replace those missing in patients. It pursues scientific collaborations and licensing partnerships around its cell therapy technologies.

BiotechHealthtech

Founders & leadership

Seraxis was founded in 2021 by William L. Rust.

WLWilliam L. Rust
William L. RustinFounder and CEO
CWCarole Welsch
Carole WelschinChief Business Officer2016–2023She has over 20 years of experience in biologics, cell and gene therapies, medical devices, and diagnostics across oncology, hematology, metabolic diseases, and CNS, with expertise in clinical-commercial development, regulatory strategy, and operational execution.
GY
Gi-Hyeok YangNamed on SEC filing
RA
Roy ArupNamed on SEC filing
BT
Bernie TreidlNamed on SEC filing

Board

JNJames N. Topper
James N. TopperBoard directorManaging Partner at Frazier Life Sciences

Investors · 6

Maryland TEDCOUpper Marlboro · $500K – $1.5M
TEDCOColumbia
Frazier Life Sciencesreported · 2 sourcesPalo Alto
JDRF T1D FundreportedBoston

Also in the syndicate · 2

Eli LillyPolaris Partners

Funding

SEC filings, press & company announcements

$14M disclosed across 1 of 3 rounds · 2021–2025

▶$14MraisedFeb 2021 · 5 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Gi-Hyeok YangDirector
  • James N. TopperDirector
  • Carole WelschExecutive Officer
  • William L. RustExecutive Officer, Director, Promoter
  • Roy ArupDirector
  • Bernie TreidlDirector
Offering amount
$40M
Amount sold
$14M
Finders' fees
$849.5K
Placement agents
Capstone Headwaters
First sale
Jan 2021
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 2

by search overlap
Seres Therapeutics4 shared keywordsSeres Therapeutics is a clinical-stage biotechnology company developing therapies composed of rationally selected live bacterial consortia to treat serious diseases through modulation of the human microbiome. The company pioneered the development and FDA approval of VOWST, an oral live biotherapeutic.
Reaxbio3 shared keywordsReaxbio develops a chemoproteomics platform that identifies and targets novel protein sites for drug discovery across disease-relevant biological contexts. The platform enables small molecule discovery for virtually any protein using proprietary chemical tools and high-throughput screening capabilities.

Companies competing with Seraxis for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Seraxis Eyes the Clinic Following $40 Million Capital Raise | Newsnews.biobuzz.io · Jul 2025Seraxis Growth Leads to Expansion and a Complex Move to New Facilities | BioBuzznews.biobuzz.io · Dec 2024Leadership - Seraxisseraxis.com · Dec 2024Cell therapy developer closes funding round to support diabetes program | BioPharma Divebiopharmadive.com · Sep 2023Seraxis Announced Closing of $40M Series C Financing Roundprnewswire.com · Feb 2021Seraxis Inc. closed a Series B financing Round and enters into a collaboration with Medytox Inc. - Seraxisseraxis.com · Aug 2016

Frequently asked questions

What does Seraxis do?
Seraxis is a regenerative medicine company developing a replacement cell therapy for insulin-dependent (Type 1) diabetes, using engineered islet cells to replace those missing in patients. It pursues scientific collaborations and licensing partnerships around its cell therapy technologies.
Who founded Seraxis?
Seraxis was founded by William L. Rust in 2021.
Who are Seraxis's investors?
Seraxis's investors include Maryland TEDCO, TEDCO, Frazier Life Sciences, JDRF T1D Fund.
How much funding has Seraxis raised?
Seraxis has disclosed $14M raised across 1 of its 3 known rounds.
Where is Seraxis headquartered?
Seraxis is headquartered in Germantown, US.