v3.25.2
Stockholders' Equity (Tables)
 12 Months Ended
May 31, 2025
Equity [Abstract]  
Schedule of Stock Option Activity
The following table summarizes information about stock option activity for the fiscal year ended May 31, 2025:
SharesWeighted average exercise priceWeighted average remaining contractual lifeAggregate intrinsic value (in thousands)
Outstanding at beginning of year - June 1, 20242,162,983 $16.29 
Granted561,923 $7.35 
Exercised(25,000)$9.92 
Forfeited(164,404)$16.56 
Expired— $— 
Outstanding at end of year - May 31, 20252,535,502 $14.36 6.35$2,219 
Options exercisable at year-end1,502,837 $17.09 4.88$223 
Options expected to vest in future periods1,032,665 $10.38 8.48$1,997 
Summary of Stock Unit Activity The following table summarizes information about restricted stock unit activity for the year ended May 31, 2025:
Restricted Stock UnitsWeighted Average Grant-Date Fair Value
Non-vested at beginning of year, June 1, 20241,080,898 $12.44 
Granted1,066,865 $7.47 
Vested(513,152)$7.14 
Canceled(126,372)$10.32 
Non-vested at end of year, May 31, 20251,508,239 $9.34 
 The following table summarizes information about performance unit award activity for the year ended May 31, 2025:
Performance Unit AwardsWeighted Average Grant-Date Fair Value
Non-vested at beginning of year, June 1, 2024742,708 $16.13 
Granted513,594 $7.40 
Vested(107,560)$7.40 
Canceled(71,410)$20.81 
Non-vested at end of year, May 31, 20251,077,332 $10.81 
Schedule of Break Out of Stock-based Compensation
The following tables represents the break out of stock-based compensation included in the Company's Consolidated Statement of Operations:
Year ended May 31,
(in thousands)202520242023
Cost of sales$218 $288 $793 
Research and development1,413 1,400 1,459 
Sales and marketing2,554 3,243 2,922 
General and administrative5,479 5,595 5,984 
Acquisition, restructuring and other items, net108 3 — 
$9,772 $10,529 $11,158