v3.26.1

Equity - Activity for Performance share units (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Equity
Share-based compensation	$ 3,861	$ 3,897
PSUs and MPSUs
Equity
Unvested shares balance at beginning of the year	1,057,443	546,583
Granted (in shares)	193,481	515,502
Added by performance factor (in shares)	246,318
Distributed, (in shares)	(687,081)	(1,395)
Cancelled (in shares)	(177,269)	(3,247)
Unvested shares balance at end of the year	632,892	1,057,443
Unvested, Weighted Average Grant Date Fair Value, balance at beginning of the year	$ 5.61	$ 6.35
Granted, Weighted Average Grant Date Fair Value	13.56	4.81
Added by performance factor, Weighted Average Grant Date Fair Value	6.99
Distributed (vested), Weighted Average Grant Date Fair Value	6.4	4.79
Cancelled, Weighted Average Grant Date Fair Value	6.97	4.92
Unvested, Weighted Average Grant Date Fair Value, balance at end of the year	$ 7.34	$ 5.61
Share-based compensation	$ 1,800	$ 2,000
Unvested compensation not yet recognized	$ 1,800
Unvested compensation period for recognition	2 years
Performance Share Units
Equity
Fair value of distributed	$ 7,100	$ 100

The number of additions by performance factor made during the period on other than stock (or unit) option plans.

+ References

No definition available.

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The weighted average fair value at grant date for nonvested equity-based awards added by performance factor during the period on other than stock (or unit) option plans.

+ References

No definition available.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

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

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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.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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.

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

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

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of cost expensed and capitalized for award under share-based payment arrangement.

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PERPETUA RESOURCES CORP. 10-K