v3.26.1
STOCK PLANS (Tables)
 6 Months Ended
Jun. 30, 2026
Stockholders' Equity Note [Abstract]  
Schedule of Recognized Stock-Based Compensation Expense
The Company recognized stock-based compensation expense in the periods presented as follows (in thousands):
Three Months Ended
June 30,		Six Months Ended
June 30,
2026202520262025
Cost of goods sold$1,809 $1,682 $3,452 $3,398 
Research and development2,605 2,407 4,435 4,648 
Selling, general and administrative10,544 11,383 20,610 21,979 
        Total$14,958 $15,472 $28,497 $30,025 
Stock-based compensation from:
Stock options$2,941 $4,309 $5,949 $8,749 
Restricted stock units11,159 10,681 21,303 20,287 
Performance share units560 — 696 — 
Employee stock purchase plan share options298 482 549 989 
        Total$14,958 $15,472 $28,497 $30,025 
Schedule of Stock Option Activity and RSU and PSU Activity
The following tables contain information about the Company’s stock option, RSU and PSU activity for the six months ended June 30, 2026:
Stock Options Number of Stock Options Weighted Average Exercise Price (Per Share)
 Outstanding at December 31, 2025
6,374,481 $40.65 
     Granted300,603 22.56 
     Exercised(27,947)16.44 
     Forfeited(90,771)26.77 
     Expired(432,996)44.61 
 Outstanding at June 30, 2026
6,123,370 $39.79 
Number of Weighted Average Grant Date Fair Value (Per Share)
Stock AwardsRestricted
Stock Units		Performance
Share Units
Unvested at December 31, 2025
4,160,697 — $27.87 
     Granted2,245,413 202,112 21.86 
     Vested(1,205,978)— 30.60 
     Forfeited(355,041)— 26.00 
Unvested at June 30, 2026
4,845,091 202,112 $24.43 
Schedule of Valuation Assumptions The fair values of stock options granted were estimated using the Black-Scholes option valuation model with the following weighted average assumptions:
Black-Scholes Weighted Average AssumptionsSix Months Ended June 30, 2026
Expected dividend yieldNone
Risk-free interest rate4.10%
Expected volatility56.6%
Expected term of options5.74 years