v3.26.1
Share capital, stock options and other stock-based plans (Tables)
 6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity
A continuity of the Units issued under the Westport Omnibus Plan are as follows:
Six months ended June 30, 2026Six months ended June 30, 2025
Number of
Units		Weighted
average
grant
date fair
value
(CDN $)		Number of
Units		Weighted
average
grant
date fair
value
(CDN $)
Outstanding, beginning of period713,061 $11.75 524,322 $11.75 
Granted130,000 2.02 137,151 3.99 
Exercised(20,521)17.80 (68,071)17.48 
Forfeited/expired(134,706)8.55 (117,296)11.36 
Outstanding, end of period687,834 $5.20 476,106 $8.78 
Units outstanding and exercisable, end of period491 $31.07 491 $31.07 
Schedule of Share Based Compensation Arrangement by Share Based Payment Award Intrinsic Value
The aggregate intrinsic value of the Company’s share units at June 30, 2026 as follows:
June 30, 2026
(CDN $)
Share units:
Outstanding$2,179 
Exercisable15 
Exercised65 
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Stock-based compensation associated with the Unit plans is included in operating expenses as follows:
Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
Research and development5 15 13 28 
General and administrative271 433 431 680 
Sales and marketing— 3 — 28 
$276 $451 $444 $736 

Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
Stock-based compensation - equity or cash settled110 181 196 393 
Stock-based compensation - cash settled only166 270 248 343 
$276 $451 $444 $736