v3.26.1
STOCK-BASED COMPENSATION (Tables)
 6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
A summary of the stock option activity for the six months ended June 30, 2026 is as follows:
(number of shares in millions)Number
of
Shares		Weighted
Average
Exercise
Price
Options outstanding at December 31, 20250.7 $13.38 
Less:
Options canceled or expired(0.2)13.38 
Options outstanding at June 30, 20260.5 $13.38 
Options exercisable at June 30, 20260.5 $13.38 
Schedule of Restricted Stock Unit Activity
A summary of the RSU awards activity under the Company’s equity plans and inducement awards, including PSU awards, for the six months ended June 30, 2026 is as follows:
(number of shares in millions)Number
of
Shares		Weighted
Average
Grant Date
Fair Value
RSUs unvested and outstanding at December 31, 20257.1 $11.27 
RSUs granted7.0 $5.04 
Less:
RSUs vested(2.2)$14.09 
RSUs canceled(1.1)$4.92 
RSUs unvested and outstanding at June 30, 202610.8 $7.05 
Schedule of Share-Based Compensation, Employee Stock Purchase Plan, Activity Shares purchased under, and compensation associated with, the Amended and Restated 2012 Purchase Plan for the three and six months ended June 30, 2026 and 2025 are as follows:
Three months ended
June 30,		Six months ended
June 30,
(in millions)2026202520262025
Shares purchased under the plan
0.7 0.7 0.7 0.7 
Plan compensation expense$2.1 $0.3 $2.1 $0.8 
Schedule of Stock-Based Compensation Income (Loss)
Stock-based compensation expense recognized and included in the Condensed Consolidated Statements of Operations and Comprehensive Loss was allocated as follows:
Three months ended
June 30,		Six months ended
June 30,
(in millions)2026202520262025
Cost of revenue$0.5 $0.3 $0.7 $0.6 
Research and development expense1.6 2.0 2.8 4.1 
Sales and marketing expense1.2 2.0 2.0 3.5 
General and administrative expense3.9 6.4 8.2 12.0 
Total stock-based compensation expense$7.2 $10.7 $13.7 $20.2