v3.26.1
Share-based Compensation (Tables)
6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Summary of Stock Option Activity The following table summarizes the Company’s stock option activity for the six months ended June 30, 2026:
(in thousands, except per share data and years)SharesWeighted Average
Exercise Price
Per Share
Aggregate
Intrinsic
Value
Weighted Average
Remaining Contractual
Term (Years)
Balance as of January 1, 20263,535$42.63 
Granted68$151.39 
Exercised(421)$48.44 $46,127 
Forfeited/Expired(6)$281.98 
Balance as of June 30, 20263,176$43.72 
Exercisable as of June 30, 20262,822$37.73 $144,360 4.9
Expected to vest as of June 30, 2026354$91.46 $13,043 7.5
Total3,176$43.72 $157,403 5.2
Schedule of Range of Exercise Prices per Share
Stock options outstanding as of June 30, 2026 are comprised of the following range of exercise prices per share:
Stock Options Outstanding at June 30, 2026
(in thousands, except per share data and years)
Range of Exercise Prices per Share
SharesWeighted Average
Exercise Price
Per Share
Weighted Average
Remaining Contractual
Term (Years)
$12.45 - $20.00
800$14.98 3.4
$20.01 - $30.00
842$24.33 6.3
$30.01 - $40.00
15$30.16 6.9
$40.01 - $50.00
813$41.26 5.5
$50.01 - $70.00
516$69.12 4.6
$70.01 - $220.00
140$156.98 8.8
$220.01 - $300.00
36$261.38 8.6
$300.01 - $364.20
11$364.20 8.5
$364.21 and over
3$369.06 8.9
Total3,176$43.72 5.2
Assumptions Used in Pricing Model The weighted average grant date fair value of stock option awards using the Black-Scholes valuation model was $151.39 and $296.15 for each share subject to a stock option granted during the six months ended June 30, 2026 and 2025, respectively, based on the following assumptions:
Six Months Ended
June 30,
20262025
Expected term of awards in years
5.5 - 6.3
5.5 - 6.3
Expected volatility
89.4% - 90.1%
83.8% - 91.5%
Risk-free interest rate
3.9% - 4.2%
4.0% - 4.4%
Expected dividend yield0.0%0.0%
Summary of Share-Settled Restricted Stock Unit Activity The following table summarizes the Company’s share-settled restricted stock unit activity for the periods indicated:
Share-Settled Restricted Stock Units Outstanding
(in thousands)UnitsAggregate
Intrinsic Value
Balance as of January 1, 2026731
Granted279
Vested(287)$38,499 
Forfeited(64)
Balance as of June 30, 2026
659
Expected to vest as of June 30, 2026
659$57,319 
Summary of Share-Settled Performance Stock Unit Activity The following table summarizes the Company’s performance stock unit activity for the periods indicated:
Share-Settled Performance Stock Units Outstanding
(in thousands)UnitsAggregate
Intrinsic Value
Balance as of January 1, 2026239
Granted227
Vested(351)$45,386 
Forfeited— 
Balance as of June 30, 2026
115
Expected to vest as of June 30, 2026
115$9,148 
Summary of Performance Shares, Assumptions Used in Pricing Model
The weighted average grant date fair value of performance stock units using the Monte-Carlo simulation model was $267.03 and $445.66 for each performance stock unit granted during the six months ended June 30, 2026 and 2025, respectively, based on the following assumptions:
Six Months Ended
June 30,
20262025
Expected term of awards in years3.03.0
Expected volatility87.2%99.2%
Risk-free interest rate3.7%3.9%
Expected dividend yield0.0%0.0%