v3.25.3

Stock Based Compensation - RSU Activity (Details) - Restricted Stock Units (RSUs) - 2018 Equity Incentive Plan	9 Months Ended
	Sep. 30, 2025 $ / shares shares
Number of RSUs Outstanding
Outstanding, beginning balance (in shares) \| shares	10,916
RSUs vested (in shares) \| shares	(9,346)
RSUs forfeited (in shares) \| shares	(443)
Outstanding, ending balance (in shares) \| shares	1,127
Weighted Average Grant-Date Fair Price
Outstanding, beginning balance (in dollars per share) \| $ / shares	$ 90.57
RSUs vested (in dollars per share) \| $ / shares	93.75
RSUs forfeited (in dollars per share) \| $ / shares	79.46
Outstanding, ending balance (in dollars per share) \| $ / shares	$ 68.42

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

+ Details

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

+ Details

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

+ Details

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

+ Details

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- References

No definition available.

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- Details

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- Details

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Kezar Life Sciences, Inc. 10-Q