XML 38 R26.htm IDEA: XBRL DOCUMENT v3.24.3
STOCKHOLDERS’ EQUITY (Tables)
9 Months Ended
Sep. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
The following table summarizes stock option activity for time-based awards:
(shares in thousands)
Number
of shares
Weighted
average
exercise price
Outstanding at December 31, 202313,011$10.63 
Granted 4931.99 
Exercised (515)3.15 
Canceled(1,474)9.35 
Expired
(287)5.70 
Outstanding at September 30, 202411,228$10.88 
Schedule of Time-Based RSUs Activity The following table summarizes the time-based RSUs and PSUs activity:
Restricted Stock Units (RSU)Performance Stock Units (PSU)Weighted average grant date
fair value
(shares in thousands)
RSUPSU
Outstanding at December 31, 202311,308 541 $12.06 $9.43 
Granted12,604 — 5.04 — 
Vested(3,647)— 12.33 — 
Forfeited(4,523)(39)8.33 9.43 
Outstanding at September 30, 202415,742 502 $7.45 $9.43 
Schedule of Stock-Based Compensation Expense
The following table summarizes share-based compensation expense:
Three Months Ended September 30,Nine Months Ended September 30,
(in thousands)2024202320242023
Cost of revenue$1,229 $1,125 $4,466 $4,251 
Research and development 4,740 6,182 15,119 18,310 
Sales, general and administrative12,290 12,384 35,418 32,973 
Total share-based compensation expense$18,259 $19,691 $55,003 $55,534 
Schedule of Fair Value of Employee Stock Options
The fair value of employee stock options was estimated using the following assumptions:
Nine Months Ended September 30,
20242023
Expected term in years4.94.9
Expected volatility
 81% - 93%
78%
Risk-free interest rate
 3.48% - 4.32%
3.73% - 4.21%
Dividend yield
Weighted average grant date fair value per share$1.40$7.89
Schedule of Fair Value of Employee Stock Purchase Plan
The fair value of shares to be issued under the ESPP was estimated using the following assumptions:
Nine Months Ended September 30,
20242023
Expected term in years
0.5 — 2.0
0.5 — 2.0
Expected volatility
81% — 118%
79% - 97%
Risk-free interest rate
3.88% — 5.27%
4.87% — 5.47%
Dividend yield
Weighted average grant date fair value per share$1.53$5.34