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Stock Incentive Plans (Tables)
3 Months Ended
Mar. 31, 2026
Share-Based Payment Arrangement [Abstract]  
Summary of Stock Option Activity
The following table summarizes stock option activity during the three months ended March 31, 2026:
Number of SharesWeighted-
Average
Exercise
Price
Stock options outstanding at December 31, 2025
2,478,871 $20.47 
Exercised(28,709)3.80 
Forfeited(176)32.55 
Expired(16,302)27.68 
Stock options outstanding at March 31, 2026
2,433,684 20.62 
Stock options exercisable at March 31, 2026
1,888,290 $22.47 
Summary of RSUs Activity
The following table summarizes restricted stock units, or RSUs, and performance restricted stock units, or PSUs, activity during the three months ended March 31, 2026:
Number of Shares
Weighted-
Average
Grant Date
Fair Value
RSUs and PSUs outstanding at December 31, 2025
3,930,939 $15.54 
RSUs granted964,087 19.91 
RSUs vested(268,315)13.72 
RSUs forfeited(141,627)16.67 
PSUs granted546,500 20.42 
PSUs vested(118,304)18.99 
PSUs forfeited(58,896)18.73 
RSUs and PSUs outstanding at March 31, 2026
4,854,384 $16.89 
Summary of PSUs Activity
The following table summarizes restricted stock units, or RSUs, and performance restricted stock units, or PSUs, activity during the three months ended March 31, 2026:
Number of Shares
Weighted-
Average
Grant Date
Fair Value
RSUs and PSUs outstanding at December 31, 2025
3,930,939 $15.54 
RSUs granted964,087 19.91 
RSUs vested(268,315)13.72 
RSUs forfeited(141,627)16.67 
PSUs granted546,500 20.42 
PSUs vested(118,304)18.99 
PSUs forfeited(58,896)18.73 
RSUs and PSUs outstanding at March 31, 2026
4,854,384 $16.89 
Summary of Expense Relating to Employee and Nonemployee Stock-Based Payment Awards from Stock Options and RSUs
The following table summarizes stock-based compensation expense relating to employee and non-employee stock-based awards for the three months ended March 31, 2026 and 2025, included in the condensed consolidated statements of operations as follows (in thousands):
Three Months Ended March 31,
20262025
Cost of testing services$265 $363 
Cost of product89 231 
Cost of patient and digital solutions134 220 
Research and development1,323 1,359 
Sales and marketing1,835 2,584 
General and administrative6,157 4,174 
Total$9,803 $8,931