| Schedule of common stock reserved for issuance |
The Company’s shares of common stock reserved for issuance as of December 31, 2014 and 2015 were as follows: | | | | | | | | | 2014 | | | 2015 | Series A convertible preferred stock | 2,383,745 |
| | | — |
| Series B convertible preferred stock | 3,649,368 |
| | | — |
| Series C convertible preferred stock | 5,406,501 |
| | | — |
| Series D convertible preferred stock | 3,409,210 |
| | | — |
| Lender Warrants and Additional Lender Warrant to purchase common stock | 150,000 |
| (1) | | 200,000 |
| Stock options outstanding | 3,425,117 |
| (1) | | 4,297,893 |
| Possible future issuance under equity incentive plan | — |
| | | 1,521,843 |
| Possible future issuance under employee stock purchase plan | — |
| | | 241,272 |
| Total shares reserved | 18,423,941 |
| | | 6,261,008 |
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| | (1) | As described in Note 10, as of December 31, 2014, the Company had exceeded its common shares authorized when considering the number of possible shares that may be issuable after consideration of all existing instruments that could be settled in shares. On February 10, 2015, the Company increased its number of authorized common shares to 25,000,000. Those instruments which had been accounted for as liabilities were reclassified to equity as of that date. |
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