Schedule of Changes in Stockholders’ Equity |
The following tables present changes in stockholders’ equity for the nine-month periods ended September 30, 2021 and 2020 (in thousands, except share data):
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Additional |
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Accumulated Other |
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Total |
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Common |
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Paid-In |
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Comprehensive |
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Accumulated |
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Stockholders’ |
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Shares |
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Amount |
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Capital |
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Income (Loss) |
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Deficit |
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Equity |
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Balance at December 31, 2020 |
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66,234,056 |
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$ |
7 |
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$ |
962,173 |
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|
$ |
1 |
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|
$ |
(435,109 |
) |
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$ |
527,072 |
|
Issuance of common stock through at-the-market offerings, net of issuance costs of $52 |
|
641,709 |
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- |
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45,255 |
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- |
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|
- |
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|
45,255 |
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Exercise of stock options |
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1,014,569 |
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|
- |
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|
13,340 |
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- |
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- |
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|
13,340 |
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Equity-based compensation |
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- |
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- |
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6,424 |
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- |
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- |
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6,424 |
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Other comprehensive loss |
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- |
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- |
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- |
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(13 |
) |
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- |
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(13 |
) |
Net loss |
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- |
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|
- |
|
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|
- |
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|
- |
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(46,205 |
) |
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|
(46,205 |
) |
Balance at March 31, 2021 |
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67,890,334 |
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7 |
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1,027,192 |
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(12 |
) |
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(481,314 |
) |
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|
545,873 |
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Exercise of stock options |
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394,801 |
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- |
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6,163 |
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- |
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- |
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|
6,163 |
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Vesting of restricted stock units |
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26,235 |
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- |
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- |
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- |
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- |
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|
|
- |
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Issuance of shares under employee stock purchase plan |
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20,410 |
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- |
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|
970 |
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- |
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- |
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|
970 |
|
Equity-based compensation |
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- |
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- |
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10,614 |
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- |
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- |
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|
10,614 |
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Other comprehensive loss |
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- |
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- |
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- |
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(1 |
) |
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- |
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(1 |
) |
Net loss |
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- |
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- |
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- |
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- |
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(68,806 |
) |
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(68,806 |
) |
Balance at June 30, 2021 |
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68,331,780 |
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7 |
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1,044,939 |
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(13 |
) |
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(550,120 |
) |
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|
494,813 |
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Issuance of common stock through follow-on offering, net of issuance costs of $284 |
|
4,758,620 |
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|
- |
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|
648,315 |
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|
|
- |
|
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|
- |
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|
648,315 |
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Exercise of stock options |
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1,227,067 |
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|
- |
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|
20,365 |
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- |
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- |
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|
20,365 |
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Vesting of restricted stock units |
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24,711 |
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|
- |
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- |
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- |
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- |
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|
- |
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Equity-based compensation |
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- |
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|
- |
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15,410 |
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- |
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- |
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|
15,410 |
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Other comprehensive loss |
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- |
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- |
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- |
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(161 |
) |
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|
- |
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|
(161 |
) |
Net loss |
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- |
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|
- |
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- |
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- |
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(71,644 |
) |
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|
(71,644 |
) |
Balance at September 30, 2021 |
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74,342,178 |
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$ |
7 |
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$ |
1,729,029 |
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$ |
(174 |
) |
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$ |
(621,764 |
) |
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$ |
1,107,098 |
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Additional |
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Accumulated Other |
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Total |
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Common |
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Paid-In |
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Comprehensive |
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Accumulated |
|
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Stockholders’ |
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Shares |
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|
Amount |
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Capital |
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Income |
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Deficit |
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Equity |
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Balance at December 31, 2019 |
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50,198,044 |
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$ |
5 |
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$ |
570,493 |
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$ |
261 |
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$ |
(300,878 |
) |
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$ |
269,881 |
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Issuance of common stock through at-the-market offerings, net of issuance costs of $48 |
|
351,252 |
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|
- |
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|
5,079 |
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|
- |
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|
- |
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|
5,079 |
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Exercise of stock options |
|
53,579 |
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|
- |
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|
336 |
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|
- |
|
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|
- |
|
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|
336 |
|
Equity-based compensation |
|
- |
|
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|
- |
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|
4,157 |
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|
- |
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|
- |
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|
4,157 |
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Other comprehensive income |
|
- |
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|
- |
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|
- |
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|
112 |
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|
- |
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|
112 |
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Net loss |
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- |
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|
- |
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- |
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|
- |
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(31,806 |
) |
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|
(31,806 |
) |
Balance at March 31, 2020 |
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50,602,875 |
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5 |
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|
580,065 |
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|
373 |
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(332,684 |
) |
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|
247,759 |
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Issuance of common stock through follow-on offering, net of issuance costs of $369 |
|
6,301,370 |
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|
1 |
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|
107,731 |
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|
- |
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|
- |
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|
|
107,732 |
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Issuance of common stock in private placement with Regeneron |
|
925,218 |
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|
|
- |
|
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|
12,580 |
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|
- |
|
|
|
- |
|
|
|
12,580 |
|
Issuance of common stock through at-the-market offerings, net of issuance costs of $23 |
|
755,848 |
|
|
|
- |
|
|
|
9,643 |
|
|
|
- |
|
|
|
- |
|
|
|
9,643 |
|
Exercise of stock options |
|
83,631 |
|
|
|
- |
|
|
|
1,035 |
|
|
|
- |
|
|
|
- |
|
|
|
1,035 |
|
Issuance of shares under employee stock purchase plan |
|
55,296 |
|
|
|
- |
|
|
|
685 |
|
|
|
- |
|
|
|
- |
|
|
|
685 |
|
Equity-based compensation |
|
- |
|
|
|
- |
|
|
|
4,764 |
|
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|
- |
|
|
|
- |
|
|
|
4,764 |
|
Other comprehensive loss |
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
(218 |
) |
|
|
- |
|
|
|
(218 |
) |
Net loss |
|
- |
|
|
|
- |
|
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|
- |
|
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|
- |
|
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(32,393 |
) |
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|
(32,393 |
) |
Balance at June 30, 2020 |
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58,724,238 |
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|
6 |
|
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|
716,503 |
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|
155 |
|
|
|
(365,077 |
) |
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|
351,587 |
|
Exercise of stock options |
|
67,974 |
|
|
|
- |
|
|
|
597 |
|
|
|
- |
|
|
|
- |
|
|
|
597 |
|
Equity-based compensation |
|
- |
|
|
|
- |
|
|
|
5,400 |
|
|
|
- |
|
|
|
- |
|
|
|
5,400 |
|
Other comprehensive loss |
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
(124 |
) |
|
|
- |
|
|
|
(124 |
) |
Net loss |
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
(27,840 |
) |
|
|
(27,840 |
) |
Balance at September 30, 2020 |
|
58,792,212 |
|
|
$ |
6 |
|
|
$ |
722,500 |
|
|
$ |
31 |
|
|
$ |
(392,917 |
) |
|
$ |
329,620 |
|
|