About Trailhead Biosystems
Trailhead Biosystems is a private company based in Beachwood, Ohio. It has reported $62,281,230 raised in five offerings on Form D since June 2020. Its chief executive is David Llewellyn.
Funding Rounds (SEC Form D)
| First sale | Filed with SEC | Amount sold | Investors | Avg. check | Terms | Filing |
|---|---|---|---|---|---|---|
| Jun 21, 2024 | Jul 1, 2024amended Jul 30, 2026 | $40,605,490fully sold | 7 | $5.8M | Convertible Promissory Note that may convert into shares of capital stock of the issuerRule 506(b) | Form D/A ↗4 earlier filings |
| Nov 9, 2023 | Nov 20, 2023 | $3,000,000fully sold | 2 | $1.5M | EquityRule 506(b) | Form D ↗ |
| Sep 16, 2022 | Sep 26, 2022 | $9,999,999of $10.0M target | 6 | $1.6M | EquityRule 506(b) | Form D ↗ |
| Oct 28, 2020 | Nov 9, 2020amended Oct 29, 2021 | $8,575,741fully sold | 13 | $659K | EquityRule 506(b) | Form D/A ↗1 earlier filing |
| Jun 4, 2020 | Jun 18, 2020 | $100,000of $2.0M target | 3 | $33,333 | Convertible promissory notesRule 506(b) | Form D ↗ |
| Total, five offerings | $62,281,230 | |||||
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 Trailhead Biosystems's Form D filed Jul 30, 2026.


Michael Kaufman
Chief Executive Officer, MAK Capital and director
Also a director at Noveome Biotherapeutics.




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Earlier filings also listed Magnus Persson (director, last listed Nov 2023) and Div Trivedi (executive officer, last listed Oct 2021).
Sources
- SECTrailhead Biosystems Inc. Form D/A, filed Jul 30, 2026
- SECTrailhead Biosystems Inc. Form D/A, filed Jan 5, 2026
- SECTrailhead Biosystems Inc. Form D/A, filed May 12, 2025
- SECTrailhead Biosystems Inc. Form D, filed Jul 1, 2024
- SECTrailhead Biosystems Inc. Form D, filed Nov 9, 2020
- SECTrailhead Biosystems Inc. filing history
- CompanyContact
- CompanyAbout Trailhead Biosystems
- PressTrailhead Biosystems financing announcement
