Fundraising Fox

inSoma Bio

YC S20 ↗

Durham, US · Founded 2018 · Delaware corporation · 4 employees · 3 known investors

insomabio.com ↗

inSoma Bio develops biomaterial products for reconstruction plastic surgery, enabling surgeons to use patients' own tissue instead of synthetic implants and fillers for breast and facial reconstruction procedures.

BiotechHealthtechMedical DevicesSynthetic Biologyin /company@ycombinatorycombinator.com ↗

Founders & leadership· Y Combinator alumni (S20)

SRStefan Roberts
Stefan RobertsinFounder
ACAshutosh Chilkoti
Ashutosh ChilkotiinFounder
JB
Juliana BlumDirector
HB
Heather BrennanDirector
JS
June S. AlmenoffDirector
SH
Scott HollenbeckLead Medical Advisor

Investors · 3

Duke Capital PartnersDurham
FemHealth VenturesShort Hills
Y CombinatorSan Francisco · $500K

Reported raises · per SEC filings

Form D private placements
▶$2.7MraisedJan 2026 · 15 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Ashutosh ChilkotiExecutive Officer, Director
  • Juliana BlumDirector
  • Stefan RobertsExecutive Officer, Director
  • Heather BrennanDirector
  • June S. AlmenoffDirector
Offering amount
$4M
Amount sold
$2.7M
First sale
Sep 2025
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$2.7MraisedMay 2024 · 16 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • June S. AlmenoffDirector
  • Stefan RobertsExecutive Officer, Director
  • Juliana BlumDirector
  • Ashutosh ChilkotiExecutive Officer, Director
  • Heather BrennanDirector
Offering amount
$3M
Amount sold
$2.7M
First sale
Apr 2023
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$1.3MraisedDec 2020 · 31 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Ashutosh ChilkotiExecutive Officer, Director
  • Stefan RobertsExecutive Officer, Director
Offering amount
$1.5M
Amount sold
$1.3M
First sale
Aug 2020
Incorporated
Corporation, Delaware, 2018
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$202KraisedJul 2020 · 7 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Stefan E. RobertsExecutive Officer, Director
  • Ashutosh ChilkotiExecutive Officer, Director
Offering amount
$202K
Amount sold
$202K
First sale
Jun 2020
Incorporated
Corporation, Delaware, 2018
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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