v3.26.3
Share-based compensation (Tables)
6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Option Pricing Model and Adopted Fair Value Per Share

The Group uses binomial option pricing model and adopts fair value per share of ordinary share to determine fair value of the share-based awards. The estimated fair value of each option or each restricted share granted is estimated on the date of grant using the binomial option-pricing model or fair value per share of ordinary share with the following assumptions:

 

   For the six months ended 
   June 30, 
Options  2025   2026 
Fair value per share (US$)*   

23.80~26.60

    27.44 
Discount rate (after tax)   Not applicable    Not applicable 
Risk-free interest rate   

4.23%~4.24%

    4.30%
Expected volatility   

59.65%~60.29%

    73.05%
Contractual term (in years)   10    10 
Discount for lack of marketability (“DLOM”)   Not applicable    Not applicable 

 

* The fair value of underlying ordinary shares is presented on a retroactive basis to reflect the Company’s Share Consolidation on July 20, 2026 (Note 15).
Schedule of stock options activities

The following table presents a summary of the Company’s stock options activities for the six months ended June 30, 2025 and 2026.

 

                   Weighted     
               Weighted   average     
               Average   remaining   Aggregated 
               exercise   contractual   intrinsic 
   Number of Options Outstanding*   price*   life   value 
   Employees   Consultant   Total           RMB in 
               US$   (in years)   thousands 
Outstanding at January 1, 2025   40,048    -    40,048    6.2475    9.32    7,990 
Granted   9,229    -    9,229    3.5000    -    - 
Exercised   (1,452)   -    (1,452)   -    -    - 
Forfeited   (266)   -     (266)   3.5000    -    - 
Outstanding at June 30, 2025   47,559    -    47,559    5.8065    9.01    8,052 
Exercisable as of June 30, 2025   27,752    -    27,752    7.4550    8.92    4,672 
                               
Outstanding at January 1, 2026   44,383    12,306    56,689    4.7530    8.81    10,332 
Granted   2,829    -    2,829    3.5000    -    - 
Forfeited   (601)   -    (601)   3.5000    -    - 
Outstanding at June 30, 2026   46,611    12,306    58,917    4.7040    8.38    6,364 
Exercisable as of June 30, 2026   37,944    12,306    50,250    4.9140    8.45    5,461 

 

*

The shares is presented on a retroactive basis to reflect the Company’s Share Consolidation on July 20, 2026 (Note 15).

Schedule of restricted share activities

The following table sets forth the summary of restricted share activities for the six months ended June 30, 2025 and 2026:

 

   Number of   Weighted-Average 
   Restricted   Grant Date 
   Shares Granted*   Fair Value* 
       (US$) 
Unvested as of January 1, 2025  3,057    164.1640 
Awarded   37,910    30.2925 
Vested   (39,392)   34.8285 
Outstanding at June 30, 2025   1,575    176.1795 
Unvested as of January 1, 2026   563    116.0425 
Vested   (348)   113.2040 
Outstanding at June 30, 2026   215    120.6310 

 

*

The shares is presented on a retroactive basis to reflect the Company’s Share Consolidation on July 20, 2026 (Note 15).