v3.25.2
Share-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2024
Share-Based Compensation  
Schedule of the assumptions used to estimate the fair value of the options

The assumptions used to estimate the fair value of the options granted are as follow:

    

For the year ended 

December 31, 2023

Risk-free interest rate

4.0%

Expected volatility

94.5%

Suboptimal exercise factor

2.5

Fair value per ordinary share

US$0.145

Expected dividend yield

Post-vesting forfeiture rate

2019 Plan | Employees  
Share-Based Compensation  
Summary of the option activities

A summary of the option activities for employees under the 2019 Plan is as follows:

    

    

    

    

    

Weighted

Weighted

Weighted

average

average

average

Aggregate

remaining

Number of

exercise

grant date

intrinsic

contractual

options

price

fair value

value

term

US$

US$

US$

Outstanding as of December 31, 2021

2,689,206

0.06

5.30

2,822

7.5

Exercise withdraw

1,233,027

0.15

5.13

Exercised

(127,580)

0.20

6.17

Outstanding as of December 31, 2022

3,794,653

0.05

5.22

1,300

6.3

Exercised

(3,794,653)

5.22

Outstanding as of December 31, 2023

Outstanding as of December 31, 2024

Vested and expected to vest as of December 31, 2024

Exercisable at December 31, 2024

2019 Plan | Non Employees  
Share-Based Compensation  
Summary of the option activities

A summary of the option activities for non-employees under the 2019 Plan is as follows:

    

    

    

    

    

Weighted 

Weighted 

Weighted 

average 

average 

average 

Aggregate 

remaining 

Number of 

exercise 

grant date 

intrinsic 

contractual 

options

price

fair value

value

term

US$

US$

US$

Outstanding as of December 31, 2021

2,391,894

0.0001

5.12

2,655

8.0

Canceled

 

(723,738)

0.0001

5.32

Exercised

 

(367,462)

0.0001

4.86

Outstanding as of December 31, 2022

 

1,300,694

0.0001

5.08

556

7.2

Granted

 

1,644,576

0.0001

0.14

Exercised

(2,945,270)

0.00002

2.24

Outstanding as of December 31, 2023

 

 

 

 

 

Outstanding as of December 31, 2024

 

 

 

 

 

Vested and expected to vest as of December 31, 2024

 

 

 

 

 

Exercisable as of December 31, 2024