v3.24.2.u1

Stock-Based Compensation - Summary of Stock Option Activity (Details) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares
Options outstanding
Beginning balance (in shares) \| shares	6,774,186
Granted (in shares) \| shares	1,316,180
Cancelled (in shares) \| shares	(906,201)
Exercised (in shares) \| shares	(179,835)
Ending balance (in shares) \| shares	7,004,330	6,774,186
Exercisable (in shares) \| shares	4,864,314	4,813,088
Vested and expected to vest (in shares) \| shares	7,004,330	6,774,186
Weighted average exercise price
Beginning balance (in US dollars per share) \| $ / shares	$ 13.60
Granted (in US dollars per share) \| $ / shares	2.98
Cancelled (in US dollars per share) \| $ / shares	12.26
Exercised (in US dollars per share) \| $ / shares	1.44
Ending balance (in US dollars per share) \| $ / shares	12.09	$ 13.60
Exercisable (in US dollars per share) \| $ / shares	15.06	15.80
Vested and expected to vest (in US dollars per share) \| $ / shares	$ 12.09	$ 13.60
Weighted average, remaining contractual for life (years)
Beginning, end of period	6 years 6 months	6 years 4 months 24 days
Exercisable	5 years 6 months	5 years 6 months
Vested and expected to vest	6 years 6 months	6 years 4 months 24 days
Weighted average, aggregate intrinsic value
Balance \| $	$ 379	$ 944
Exercisable \| $	373	859
Vested and expected to vest \| $	$ 379	$ 944

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Aggregate Intrinsic Value

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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G1 Therapeutics, Inc. 10-Q