v3.25.1
Equity Incentive Awards (Tables)
 3 Months Ended
Mar. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions The following weighted-average assumptions were used for stock options granted in the three months ended March 31, 2025 and 2024:
 Expected VolatilityRisk-free Interest RateExpected TermDividend
Rate
Three Months Ended March 31, 2025    
Employees(1)
— %— %— — %
Officers and non-employee directors115 %4.3 %6— %
Three Months Ended March 31, 2024
Employees96 %4.3 %4— %
Officers and non-employee directors104 %4.2 %6— %
Share-based Payment Arrangement, Option, Activity
The following is a summary of stock option activity under Lexicon’s stock-based compensation plans:
 Stock OptionsWeighted Average Exercise Price
 (in thousands) 
Outstanding at December 31, 202415,389 $3.20 
Granted9,857 0.70 
Exercised— — 
Expired(274)6.23 
Forfeited(1,270)2.22 
Outstanding at March 31, 202523,702 2.18 
Exercisable at March 31, 20257,560 $4.18 
Schedule of Nonvested Restricted Stock Units Activity
The following is a summary of restricted stock unit activity under Lexicon’s stock-based compensation plans:
 RSU’sWeighted Average Grant Date
Fair Value
 (in thousands) 
Outstanding at December 31, 20246,300 $2.27 
Granted13,697 0.70 
Vested(2,540)2.40 
Forfeited(932)1.28 
Outstanding at March 31, 202516,525 $1.00