v3.24.4
STOCK-BASED COMPENSATION (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2024
Dec. 31, 2023
STOCK-BASED COMPENSATION    
SCHEDULE OF OPTION ACTIVITY UNDER 2021 PLAN AND 2018 PLAN

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Weighted-

    

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Average

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Remaining

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Aggregate

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Weighted-Average

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Contractual Term

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Intrinsic Value

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Options

    

Exercise Price

    

(in years)

    

(in thousands)

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Outstanding at December 31, 2023

 

5,230,344

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$

13.66

 

8.16

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$

49,728

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Granted

 

1,489,191

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​

19.70

 

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​

​

  

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Exercised

 

(265,482)

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​

4.67

 

  

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Cancelled/Forfeited

 

(2,739,949)

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​

18.84

 

  

​

 

  

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Outstanding at September 30, 2024

 

3,714,104

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$

12.91

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4.98

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$

12

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Vested and exercisable at September 30, 2024

 

2,791,181

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12.06

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3.95

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12

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The following table summarizes the option activity under the 2021 Plan and 2018 Plan for the year ended December 31, 2023:

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Weighted-

    

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Average

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Remaining

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Aggregate

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Weighted-Average

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Contractual Term

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Intrinsic Value

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Options

    

Exercise Price

    

(in years)

    

(in thousands)

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Vested and expected to vest at December 31, 2022

 

4,110,219

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$

9.23

 

8.46

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$

82,490

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Granted

 

1,546,001

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​

22.85

 

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Exercised

 

(338,987)

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​

2.91

 

  

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Cancelled/Forfeited

 

(86,889)

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​

9.62

 

  

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Outstanding at December 31, 2023

 

5,230,344

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$

13.66

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8.16

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$

49,728

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Vested and exercisable at December 31, 2023

 

2,157,378

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11.24

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7.81

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​

25,152

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Vested and expected to vest at December 31, 2023

 

5,230,344

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$

13.66

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8.16

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$

49,728

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SCHEDULE OF UNVESTED RESTRICTED STOCK UNIT ACTIVITY

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Weighted-

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Average Grant

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Date Fair Value

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Units

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Per Unit

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Unvested restricted stock units as of December 31, 2023

 

21,968

 

$

22.26

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Granted

 

—

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—

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Vested

 

(5,492)

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21.30

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Forfeited

 

(16,476)

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22.58

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Unvested restricted stock units as of September 30, 2024

 

—

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$

—

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Weighted-

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Average Grant

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Date Fair Value

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Units

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Per Unit

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Unvested restricted stock units as of December 31, 2022

 

28,881

 

$

21.62

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Granted

 

3,000

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​

24.58

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Vested

 

(9,913)

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21.10

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Forfeited

 

—

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—

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Unvested restricted stock units as of December 31, 2023

 

21,968

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$

22.26

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SCHEDULE OF STOCK-BASED COMPENSATION EXPENSE

Stock-based compensation expense recognized for all equity awards has been reported in the statements of operations and comprehensive loss as follows (in thousands):

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Three Months Ended September 30, 

    

Nine Months Ended September 30, 

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2024

    

2023

    

2024

    

2023

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Research and development

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$

458

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$

1,817

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$

4,987

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$

4,798

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General and administrative

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​

1,545

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​

1,420

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​

5,081

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​

3,857

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Total

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$

2,003

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$

3,237

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$

10,068

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$

8,655

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Stock-based compensation expense by type of award included within the consolidated statements of operations and comprehensive income (loss) was as follows:

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Three Months Ended September 30, 

    

Nine Months Ended September 30, 

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2024

    

2023

    

2024

    

2023

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Stock options

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$

2,014

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$

3,140

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$

9,890

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$

8,369

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Restricted stock awards and units

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—

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52

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116

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151

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Employee stock purchase plan awards

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(11)

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45

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62

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​

135

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Total

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$

2,003

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$

3,237

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$

10,068

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$

8,655

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Stock-based compensation expense recognized for stock option grants has been reported in the statements of operations and comprehensive loss as follows (in thousands):

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Year Ended December 31, 

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2023

    

2022

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Research and development

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$

6,621

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$

2,129

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General and administrative

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​

5,285

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​

3,347

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Total

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$

11,906

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$

5,476

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Stock-based compensation expense by type of award included within the consolidated statements of operations and comprehensive (loss) income was as follows:

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Year Ended December 31, 

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2023

    

2022

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Stock options

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$

11,494

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$

5,316

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Employee stock purchase plan awards

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211

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62

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Restricted stock awards and units

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201

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98

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Total

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$

11,906

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$

5,476

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