X1 Biotech
Biotechnology
Overview
X1 Biotech is advancing X101, a repurposed small-molecule RUNX1 inhibitor, through a capital-efficient rare-disease strategy to enable broader impact.
Funding and backers
Total raised
$235k
3 rounds on record
Latest round
$40k
Convertible Note · May 2026 · 5 mo ago
The money's age
Fresh money
5 months since the last round · not hiring
Momentum
20/100
fresh money
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
May 20
Raised a round Convertible Note $40k · SEC Form D
May 8, 2025
Raised a round Convertible Note $95k · SEC Form D
Nov 7, 2023
Raised a round Venture round $100k · SEC Form D
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Convertible Note | May 2026 | $40k | — | SEC Form D |
| Convertible Note | May 2025 | $95k | — | SEC Form D |
| Venture round | Nov 2023 | $100k | — | SEC Form D |
Registers and programsofficial lists and records that name the company
| Legal entity | X1 Biotech Inc. | SEC Form D |
Founders and leadersfrom filings, registers and the company's site
Lawrence KaufmanExecutive OfficerSEC Form D
Michael AcetiExecutive OfficerSEC Form D
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People

Lawrence Kaufman
Executive Officer

Michael Aceti
Executive Officer

Leo Kim
Director

Dean Eliott
Director

Joseph Arboleda-Velasquez
Director

Neal Chen
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Needham
United States
HQ






