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Net Loss Per Share | 12 Months Ended
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Dec. 31, 2025
Earnings Per Share [Abstract] |
Net Loss Per Share | 3. Net Loss Per Share Basic net loss per share of common stock attributable to common stockholders is calculated by dividing the net loss by the weighted-average number of shares of common stock outstanding during the period, without consideration of potentially dilutive securities. Diluted net loss per share attributable to common stockholders is computed by dividing the net loss by the weighted-average number of shares of common stock and potentially dilutive securities outstanding for the period. The Company has excluded 4,040 and 2,548 weighted-average shares subject to repurchase or forfeiture from the weighted-average number of shares of common stock outstanding for the years ended December 31, 2025 and 2024, respectively. Basic and diluted net loss attributable to common holders per share is presented in conformity with the two-class method required for participating securities as the convertible preferred stock were considered participating securities because they participated in dividends with the common stock. The Company also considers the shares issued upon the early exercise of stock options subject to repurchase to be participating securities because holders of such shares have non-forfeitable dividend rights in the event a dividend is paid on common stock. The holders of all series of convertible preferred stock and the holders of early exercised shares subject to repurchase do not have a contractual obligation to share in the Company’s losses. As such, the net loss was attributed entirely to common stockholders. Because the Company has reported a net loss for all periods presented, diluted net loss per share is the same as basic net loss per share for those periods. Accordingly, for the years ended December 31, 2025 and 2024, there is no difference in the number of shares used to calculate basic and diluted shares outstanding. The Company excluded the following potential shares of its common stock, presented based on amounts outstanding at each period end, from the computation of diluted net loss per share for the periods indicated because including them would have had an anti-dilutive effect:
|  | December 31, |
|  | 2025 |  |  | 2024 |
Conversion of outstanding convertible preferred stock |  |  | — |  |  |  | 11,439,841 |
Options to purchase common stock |  |  | 3,038,413 |  |  |  | 991,058 |
Common stock subject to repurchase rights |  |  | — |  |  |  | 8,417 |
Employee Stock Purchase Plan shares |  |  | 7,244 |  |  |  | — |
Total |  |  | 3,045,657 |  |  |  | 12,439,316 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/260/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-3 + Details
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