| Investor Name | Invest Money | Lead Investor | Propotion | |
|---|---|---|---|---|
| US Department of Energy | - | Yes | - | Detail |
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Feb 17, 2014 | Series Unknown | $ 1.60M | NASA | Detail |
| May 31, 2017 | Grant | $ 58M | National Institutes of Health | Detail |
| Dec 18, 2019 | Grant | $ 20M | Maxine and Stuart Frankel Foundation | Detail |