Form D · Pharmaceuticals

Duo Oncology Inc.

Pittsburgh, PA · CIK 0001843372

Offering snapshot reported Aug 7, 2026 · SEC filing

Reported sold
$1.63M
Offering amount: $3.5M
Investors reported
13
Form D · investor count
Minimum accepted
$25K
Reported outside-investor minimum
First sale
Jun 2, 2025
As reported in this filing

Fundraising history

Reported sold
Reported amount sold by Form D filing date$0$813K$1.63MJun 10, 2025: $400,000.00Jun 10, 2025Jun 9, 2026: $1,425,000.00Aug 7, 2026: $1,625,000.00Aug 7, 2026

Dates are filing dates, not cash receipt dates. Decreases are reported revisions, not evidence of withdrawals. Separate offering histories are not added together.

What changed?

Latest filing versus its linked predecessor, where available.

  • Reported sold$1,425,000 → $1,625,000

Filing history

Scroll to see all columns →

FiledFiling typeReported soldChange vs linked filingInvestorsSource
Aug 7, 2026Amendment$1,625,000$200,000vs Jun 9, 202613SEC filing
Jun 9, 2026Amendment$1,425,000$1,025,000vs Jun 10, 202513SEC filing
Jun 10, 2025Initial$400,000No comparison8SEC filing
Aug 11, 2023Amendment$4,250,005$1,550,005vs Feb 8, 202314SEC filing
Feb 8, 2023Initial$2,700,000No comparison9SEC filing
Feb 8, 2021Initial$1,125,000No comparison1SEC filing

Offering details

Securities
Debt, Option to acquire, Security to be acquired
Exemptions
06b
Duration over one year
Yes
Business combination
No
Sales commissions
$0
Finders' fees
$0
Form D file number
021-548506

Source: Form D, filed Aug 7, 2026. Minimum accepted may differ from a standard advertised minimum.

Fund connections

No matching detailed fund disclosure was found in the latest imported ADV filings. This does not establish that the issuer has no adviser.

People & organizations

Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.

People and organizations reported in Form D filings
NameReported role
Robert Ashley Director
Katherine Eichinger Executive
Joe Gatto Director
Jing Zhou Hou Director, Executive, Promoter
Song Li Director, Promoter
Lusong Luo Director
Victoria Manax Director
Stanley Marks Director
Sam Rothstein Director, Executive, Promoter
Jingjing Sun Promoter
Stephen Thorne Executive, Promoter

Issuer details

Industry: Pharmaceuticals (See others in industry)

Address:
218 Oakland Ave
Pittsburgh, PA, 15213
Phone: 412-709-1659