About OncoSynergy
OncoSynergy is a private company based in Stamford, Connecticut. It has reported $33,317,907 raised in four offerings on Form D since May 2018. Its chief executive is Anne-Marie Carbonell.
Funding Rounds (SEC Form D)
| First sale | Filed with SEC | Amount sold | Investors | Avg. check | Terms | Filing |
|---|---|---|---|---|---|---|
| May 11, 2026 | May 26, 2026 | $6,608,832of $8.2M target | 5 | $1.3M | EquityRule 506(b) | Form D ↗ |
| Nov 12, 2020 | Nov 24, 2020amended May 16, 2022 | $3,452,500of $7.2M target | 4 | $863K | Debt, OptionsRule 506(b) | Form D/A ↗2 earlier filings |
| May 20, 2019 | May 24, 2019amended Sep 8, 2020 | $3,250,000of $5.0M target | 6 | $541K | EquityRule 506(b) | Form D/A ↗1 earlier filing |
| Apr 30, 2018 | May 14, 2018 | $20,006,575of $21.0M target | 23 | $869K | EquityRule 506(b) | Form D ↗ |
| Total, four offerings | $33,317,907 | |||||
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 OncoSynergy's Form D filed May 26, 2026.
Earlier filings also listed Colin Foster (director, last listed May 2022), Robert Dunkle (director, last listed Sep 2020) and W. Carbonell (president and director, last listed May 2018).

