About GreenMark
GreenMark is a private company based in East Lansing, Michigan. It has reported $1,700,000 raised in five offerings on Form D since May 2018. Its chief executive is Steven Bloembergen PhD.
Funding Rounds (SEC Form D)
| First sale | Filed with SEC | Amount sold | Investors | Avg. check | Terms | Filing |
|---|---|---|---|---|---|---|
| Not yet | Apr 14, 2026 | $0of $5.0M target | 0 | — | EquityRule 506(b) | Form D ↗ |
| Not yet | Jan 21, 2025 | $0of $500K target | 0 | — | Simple Agreement for Future Equity (SAFE)Rule 506(b) | Form D ↗ |
| Oct 14, 2022 | Oct 31, 2022 | $500,000of $1.0M target | 3 | $166K | Debt, OptionsRule 506(b) | Form D ↗ |
| Not yet | Jul 17, 2020 | $0of $2.0M target | 0 | — | Debt, Options, Notes convertible into preferred stockRule 506(b) | Form D ↗ |
| May 11, 2018 | May 24, 2018amended Mar 19, 2019 | $1,200,000fully sold | 0 | — | EquityRule 506(b) | Form D/A ↗1 earlier filing |
| Total, five offerings | $1,700,000 | |||||
The filing for the offering first filed May 24, 2018 reports amount sold with no investors. Figures are shown as filed.
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 GreenMark's Form D filed Apr 14, 2026.
Earlier filings also listed Joerg LaHann, Ph.D. (director, last listed Jan 2025), Jeff Wesley (director, last listed Oct 2022), Frank van Luttikhuizen (director, last listed Oct 2022), Kenneth Pienta (director, last listed Jul 2020), Steven Bloembergen, Ph.D. (chairman and ceo, last listed Mar 2019), Kenneth Pienta, M.D. (director, last listed Mar 2019) and Frank van Luttikhuizen, CPA (director, last listed Mar 2019).