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v3.25.3

Share capital, stock options and other stock-based plans - Share units (Details) - Share units - $ / shares | 9 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024
Number of Units |  |
Outstanding, beginning of period (in shares) | 524,322 | 478,643
Granted (in shares) | 427,691 | 224,050
Vested and exercised (in shares) | (68,071) | (90,362)
Forfeited/expired (in shares) | (146,457) | (54,614)
Outstanding, end of period (in shares) | 737,485 | 557,717
Units outstanding and exercisable, end of period (in shares) | 491 | 0
Weighted average grant date fair value (CDN $) |  |
Outstanding, beginning of period (in Canadian dollars per share) | $ 11.75 | $ 15.68
Granted (in Canadian dollars per share) | 3.28 | 8.23
Vested and exercised (in Canadian dollars per share) | 17.48 | 17.58
Forfeited/expired (in Canadian dollars per share) | 11.82 | 22.15
Outstanding, end of period (in Canadian dollars per share) | 6.28 | 11.73
Units outstanding and exercisable, end of period (in Canadian dollars per share) | $ 31.07 | $ 0

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