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Net Loss per Common Share | 6 Months Ended
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Jun. 30, 2024
Earnings Per Share [Abstract] |
Net Loss per Common Share | 12. Net Loss per Common Share The following potentially dilutive securities have been excluded from the calculation of diluted net loss per common share due to their anti-dilutive effect:
| June 30, |
| 2024 |  |  | 2023 |
Stock options outstanding |  | 6,956,497 |  |  |  | 5,304,271 |
Non-vested and unsettled restricted stock units |  | 3,053,833 |  |  |  | 3,803,103 |
Shares reserved for future issuance |  | 1,578,783 |  |  |  | 1,475,856 |
Apexigen replacement warrants |  | 1,003,191 |  |  |  | — |
Employee stock purchase plan |  | 615,603 |  |  |  | 644,755 |
Total |  | 13,207,907 |  |  |  | 11,227,985 |
Pre-Funded Warrant Shares of 1,611,215 shares are included in the computation of basic and diluted net loss per common share for the three and six months ended June 30, 2024 as the Pre-Funded Warrants are issuable for nominal consideration.

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