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Net Loss Per Share | 9 Months Ended
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Sep. 30, 2023
Earnings Per Share [Abstract] |
Net Loss Per Share | Net loss per share The following table summarizes potentially dilutive securities excluded from the computation of diluted net loss per share calculations because they would have been antidilutive (in millions):
| September 30, 2023 |  | September 30, 2022
Common stock options issued and outstanding | 13.7 |  | 12.3
Restricted stock units issued | 1.9 |  | 1.4
Employee Stock Purchase Plan shares | 0.2 |  | 0.1
Total potential dilutive securities | 15.8 |  | 13.8
We have also excluded the effect of Gilead’s right to purchase additional shares of our common stock from the calculation as these rights had no intrinsic value at either September 30, 2023 or 2022.

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