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Loss Per Share (Tables) | 6 Months Ended
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Apr. 30, 2026
Loss Per Share |
Schedule of calculation of basic and diluted | The calculation of basic and diluted loss per share was as follows (in thousands, except share and per share amounts):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three Months Ended April 30, | ​ | Six Months Ended April 30,
​ | 2026 | ​ | 2025 | ​ | ​ ​ ​ | 2026 | ​ ​ ​ | 2025
Numerator | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net loss attributable to FuelCell Energy, Inc. | $ | (77,907) | ​ | $ | (38,049) | ​ | ​ | $ | (100,767) | ​ | $ | (66,375)
Series B preferred stock dividends | ​ | (800) | ​ | ​ | (800) | ​ | ​ | ​ | (1,600) | ​ | ​ | (1,600)
Net loss attributable to common stockholders | $ | (78,707) | ​ | $ | (38,849) | ​ | ​ | $ | (102,367) | ​ | $ | (67,975)
Denominator | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average common shares outstanding – basic | ​ | 54,224,428 | ​ | ​ | 21,740,193 | ​ | ​ | ​ | 51,165,339 | ​ | ​ | 21,110,664
Effect of dilutive securities (1) | ​ | — | ​ | ​ | — | ​ | ​ | ​ | — | ​ | ​ | —
Weighted average common shares outstanding – diluted | ​ | 54,224,428 | ​ | ​ | 21,740,193 | ​ | ​ | ​ | 51,165,339 | ​ | ​ | 21,110,664
Net loss to common stockholders per share – basic | $ | (1.45) | ​ | $ | (1.79) | ​ | ​ | $ | (2.00) | ​ | $ | (3.22)
Net loss to common stockholders per share – diluted (1) | $ | (1.45) | ​ | $ | (1.79) | ​ | ​ | $ | (2.00) | ​ | $ | (3.22)
(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, 2026 and 2025, potentially dilutive securities excluded from the diluted loss per share calculation are as follows:
Schedule of potentially dilutive securities excluded from the diluted loss per share calculation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | April 30, | ​ | April 30, | ​
​ | ​ ​ ​ | 2026 | ​ ​ ​ | 2025 | ​
Outstanding options to purchase common stock | ​ | ​ | 439 | ​ | ​ | 532 | ​
Unvested Restricted Stock Units | ​ | ​ | 2,110,363 | ​ | ​ | 1,009,460 | ​
5% Series B Cumulative Convertible Perpetual Preferred Stock | ​ | ​ | 1,261 | ​ | ​ | 1,261 | ​
Total potentially dilutive securities | ​ | ​ | 2,112,063 | ​ | ​ | 1,011,253 | ​
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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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