About X1 Biotech
X1 Biotech is a private company based in Needham, Massachusetts. It has reported $235,000 raised in three offerings on Form D since May 2025. Its chief executive is Lawrence Kaufman.
Funding Rounds (SEC Form D)
| First sale | Filed with SEC | Amount sold | Investors | Avg. check | Terms | Filing |
|---|---|---|---|---|---|---|
| May 20, 2026 | Jun 15, 2026 | $40,000of $2.0M target | 2 | $20,000 | Options, Securities on exerciseRule 506(b) | Form D ↗ |
| May 8, 2025 | May 21, 2025amended Dec 11, 2025 | $95,000of $300K target | 5 | $19,000 | Options, Securities on exerciseRule 506(b) | Form D/A ↗1 earlier filing |
| Nov 7, 2023 | May 21, 2025 | $100,000of $2.0M target | 1 | $100K | EquityRule 506(b) | Form D ↗ |
| Total, three offerings | $235,000 | |||||
First sale is the date the first investor in the offering committed to invest. Companies must file Form D within 15 days of that date, so filing dates run later.
Leadership Team
Executive officers and directors listed on X1 Biotech's Form D filed Jun 15, 2026.
LK
Lawrence Kaufman
President & CEO
JV
Joseph Arboleda-Velasquez
Co-Founder,Board Member
LK
Leo Kim
Co-Founder,Board Member
MA
Michael Aceti
Co-Founder, COO
DE
Dean Eliott
Co-Founder, Board Member
NC
Earlier filings also listed Joseph Arboleda-Valasquez (director, last listed Dec 2025).