Quarterly report pursuant to Section 13 or 15(d)

Net Loss per Share Attributable to Common Stock

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Net Loss per Share Attributable to Common Stock
6 Months Ended
Jun. 30, 2022
Earnings Per Share [Abstract]  
Net Loss per Share Attributable to Common Stock Net Loss per Share Attributable to Common Stock
Net loss per share attributable to common stock is computed by dividing the net loss attributable to common stock by the weighted-average number of common shares outstanding. We have outstanding stock options, restricted stock units, options to purchase shares under our ESPP, convertible preferred stock, and convertible senior notes, which are considered in the calculation of diluted net loss per share whenever doing so would be dilutive.

We calculate basic and diluted net loss per share attributable to common stock in conformity with the two-class method required for companies with participating securities. We consider our convertible preferred stock to be participating securities. Under the two-class method, net loss attributable to common stock is not allocated to the preferred stock as its holders do not have a contractual obligation to share in losses, as discussed in Note 12.

The calculation of basic and diluted net loss per share attributable to common stock was as follows:

Three Months Ended June 30, Six Months Ended June 30,
2022 2021 2022 2021
Numerator:
Net loss $ (78,146) $ (27,878) $ (168,952) $ (63,662)
Dividends on convertible preferred stock (350) (1,878) (1,144) (4,214)
Net loss attributable to common stock—basic and diluted $ (78,496) $ (29,756) $ (170,096) $ (67,876)
Denominator:
Weighted-average shares—basic and diluted(1)
107,396,575  104,391,337  107,032,381  103,912,212 
Net loss per share attributable to common stock—basic and diluted $ (0.73) $ (0.29) $ (1.59) $ (0.65)

(1) Basic and diluted weighted-average shares outstanding include (i) common stock earned but not yet issued related to share-based dividends on our convertible preferred stock, and (ii) restricted stock units that have vested but whose settlement into common stock were deferred at the option of certain non-employee directors.

The following outstanding shares of common stock equivalents were excluded from the computation of the diluted net loss per share for the periods presented because their effect would have been anti-dilutive:

Three Months Ended June 30, Six Months Ended June 30,
2022 2021 2022 2021
2023 notes as if converted 769,623  777,021  769,623  777,021 
2025 notes as if converted 9,119,960  9,119,960  9,119,960  9,119,960 
2027 notes as if converted 6,147,900  6,147,900  6,147,900  6,147,900 
Convertible preferred stock as if converted 2,040,000  2,040,000  2,040,000  2,040,000 
Stock options outstanding 3,513,601  4,639,132  3,513,601  4,639,132 
Restricted stock units outstanding(1)(2)
10,119,140  3,671,589  10,119,140  3,671,589 
Total 31,710,224  26,395,602  31,710,224  26,395,602 

(1) Excludes 616,731 incremental PSUs that could vest, assuming applicable performance criteria and market conditions are achieved at 200% of target, which is the maximum achievement level. See Note 12 for additional information regarding PSUs.
(2) Excludes 33,144 restricted stock units that have vested but whose settlement into common stock were deferred at the option of certain non-employee directors as of June 30, 2022.