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Loss Per Share | 6 Months Ended
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Apr. 30, 2022
Loss Per Share |
Loss Per Share | Note 15. Loss Per Share The calculation of basic and diluted loss per share was as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended April 30, | ​ | Six Months Ended April 30,
​ |  | 2022 |  | 2021 |  | 2022 |  | 2021
Numerator | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net loss attributable to FuelCell Energy, Inc. | ​ | $ | (30,217) | ​ | $ | (18,917) | ​ | $ | (70,841) | ​ | $ | (64,877)
Series B preferred stock dividends | ​ | ​ | (800) | ​ | ​ | (800) | ​ | ​ | (1,600) | ​ | ​ | (1,600)
Net loss attributable to common stockholders | ​ | $ | (31,017) | ​ | $ | (19,717) | ​ | $ | (72,441) | ​ | $ | (66,477)
Denominator | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average common shares outstanding – basic | ​ | ​ | 372,615,824 | ​ | ​ | 322,500,592 | ​ | ​ | 369,626,543 | ​ | ​ | 317,219,129
Effect of dilutive securities (1) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Weighted average common shares outstanding – diluted | ​ | ​ | 372,615,824 | ​ | ​ | 322,500,592 | ​ | ​ | 369,626,543 | ​ | ​ | 317,219,129
Net loss to common stockholders per share – basic | ​ | $ | (0.08) | ​ | $ | (0.06) | ​ | $ | (0.20) | ​ | $ | (0.21)
Net loss to common stockholders per share – diluted (1) | ​ | $ | (0.08) | ​ | $ | (0.06) | ​ | $ | (0.20) | ​ | $ | (0.21)
(1) | Due to the net loss to common stockholders in each of the periods presented above, diluted loss per share was computed without consideration to potentially dilutive instruments as their inclusion would have been anti-dilutive. As of April 30, 2022 and 2021, potentially dilutive securities excluded from the diluted loss per share calculation are as follows:
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​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | April 30, | ​ | April 30, | ​
​ |  | 2022 |  | 2021 | ​
May 2017 Offering – Series C Warrants | ​ | ​ | 950,102 | ​ | ​ | 950,102 | ​
Outstanding options to purchase common stock | ​ | ​ | 20,231 | ​ | ​ | 22,388 | ​
Unvested Restricted Stock Units | ​ | ​ | 3,315,557 | ​ | ​ | 2,817,137 | ​
5% Series B Cumulative Convertible Preferred Stock | ​ | ​ | 37,837 | ​ | ​ | 37,837 | ​
Total potentially dilutive securities | ​ | ​ | 4,323,727 | ​ | ​ | 3,827,464 | ​
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