Fundraising Fox

Duo Oncology

Pittsburgh, US · Founded 2020 · Delaware corporation · 2 known investors

duooncology.com ↗

Duo Oncology develops tumor-activated prodrug combinations designed to replace multi-agent chemotherapy with single medicines that concentrate therapeutic activity in tumors. The company is advancing DUO-207, a clinical-stage prodrug combining gemcitabine and paclitaxel for solid-tumor cancer treatment.

BiotechMedical Devicesin /duo-oncology@duooncology

Founders & leadership

SL
SONG LIDirector, Promoter
SM
STANLEY MARKSDirector
SR
SAM ROTHSTEINExecutive Officer, Director, Promoter
JH
JING-ZHOU HOUExecutive Officer, Director, Promoter
ST
STEPHEN THORNEExecutive Officer, Promoter
JG
JOE GATTODirector
LL
LUSONG LUODirector
KE
KATHERINE EICHINGERExecutive Officer
VM
VICTORIA MANAXDirector

Investors · 2

Ulu VenturesPalo Alto · $2M
NuFundreportedSan Diego

Reported raises · per SEC filings

Form D private placements
▶$1.6MraisedAug 2026 · 13 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • SAM ROTHSTEINExecutive Officer, Director, Promoter
  • JING-ZHOU HOUExecutive Officer, Director, Promoter
  • STEPHEN THORNEExecutive Officer, Promoter
  • SONG LIDirector, Promoter
  • STANLEY MARKSDirector
  • LUSONG LUODirector
  • JOE GATTODirector
  • VICTORIA MANAXDirector
  • KATHERINE EICHINGERExecutive Officer
Offering amount
$3.5M
Amount sold
$1.6M
Minimum investment
$25K
Proceeds to insiders
$200K
First sale
Jun 2025
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$4.3MraisedAug 2023 · 14 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • JING-ZHOU HOUExecutive Officer, Promoter
  • JINGJING SUNPromoter
  • SAM ROTHSTEINExecutive Officer, Director, Promoter
  • SONG LIDirector, Promoter
  • STEPHEN THORNEExecutive Officer, Promoter
  • ROBERT ASHLEYDirector
  • STANLEY MARKSDirector
Offering amount
$4.3M
Amount sold
$4.3M
Minimum investment
$25K
Proceeds to insiders
$150K
First sale
Jan 2023
Incorporated
Corporation, Delaware, 2020
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$1.1MraisedFeb 2021 · 1 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • JINGJING SUNPromoter
  • SONG LIDirector, Promoter
  • STEPHEN THORNEExecutive Officer, Director, Promoter
  • JING-ZHOU HOUExecutive Officer, Director, Promoter
  • SAM ROTHSTEINExecutive Officer, Director, Promoter
  • STANLEY MARKSDirector
Offering amount
$1.5M
Amount sold
$1.1M
Proceeds to insiders
$145K
First sale
Feb 2021
Incorporated
Corporation, Delaware, 2020
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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