FORM 2 - Corporate Substantial Shareholder Notice
 
Form Serial Number: CS20260825E00242 
1. Date of relevant event: 20/08/2026
(dd/mm/yyyy)
2. Date when the substantial shareholder becomes aware of the relevant event / interest in the shares (if later): 24/08/2026
(dd/mm/yyyy)
3. Stock code: 03696
4. Name of listed corporation: InSilico Medicine Cayman TopCo 
5. Class of shares: Ordinary Shares 
6. Number of issued shares in class: 582,436,846
7. Name of substantial shareholder: JPMorgan Chase & Co. 
8. Registered office: 270 Park Avenue, New York, New York, NY, 10017, United States
9. Principal place of business in Hong Kong: N/A 
15. Exchange on which listed: New York Stock Exchange
16. Name of listed parent and exchange on which parent is listed: N/A 
17. Details of relevant event:
  Brief description of relevant event Capacity in which shares were/are held Number of shares bought/sold or involved Currency of transaction On Exchange Off Exchange
Before relevant event After relevant event Highest price (per share) Average price (per share) Average consideration (per share) Nature of consideration
Long position
1001You first acquire a notifiable interest because:
you purchased the shares
2201Interest of corporation controlled by you
2201Interest of corporation controlled by you
 4,294,500 HKD 45.1400 43.4166 43.4760
3101Cash
Short position 
1403You came to have a short position of 1% or more in the shares, or the percentage level of your short position in such shares increased because:
any other event (you must briefly describe the relevant event in the Supplementary Information box)
 
2201Interest of corporation controlled by you
 
2201Interest of corporation controlled by you
 		 4,291,500           
18. Total shares immediately before the relevant event:
 Total number of sharesPercentage figure (%)
Long position28,142,0934.83
Short position12,540,4562.15
Lending Pool15,353,1052.63
19. Total shares immediately after the relevant event:
 Total number of sharesPercentage figure (%)
Long position32,436,5935.56
Short position16,831,9562.88
Lending Pool15,353,1052.63
20. Capacity in which interests disclosed in Box 19 are held:
Capacity codeNumber of shares
2101Beneficial owner
Long position16,993,988
Short position16,831,956
2106Person having a security interest in shares
Long position89,500
Short position0
2502Approved lending agent
Long position15,353,105
Short position0

21. Further information in respect of derivative interests:
Derivatives codeNumber of shares
4105Unlisted derivatives - Physically settled
Long position37,080
Short position74,160
4106Unlisted derivatives - Cash settled
Long position1,115,408
Short position15,851,454
22. Further information in relation to interests of corporations controlled by substantial shareholder:
Name of controlled corporationAddress and place of incorporationName of controlling person% controlDirect interest (Y/N)Number of shares
J.P. Morgan Securities LLC270 Park Avenue New York NY 10017 United StatesJ.P. Morgan Broker-Dealer Holdings Inc.100.00Y
Long position97,000
Short position56,000
J.P. Morgan Prime Inc.270 Park Avenue New York NY 10017 United StatesJ.P. Morgan Securities LLC100.00Y
Long position5,500
Short position5,500
JPMorgan Chase Bank, National Association1111 Polaris Parkway Columbus OH 43240 United StatesJPMorgan Chase & Co.100.00Y
Long position15,353,105
Short position0
J.P. MORGAN SECURITIES PLC25 Bank Street Canary Wharf London E14 5JP EnglandJ.P. MORGAN CAPITAL HOLDINGS LIMITED100.00Y
Long position16,980,988
Short position16,770,456
J.P. Morgan Broker-Dealer Holdings Inc.4 Chase Metrotech Center 4th Floor Brooklyn NY 11245 United StatesJPMorgan Chase Holdings LLC100.00N
Long position102,500
Short position61,500
JPMorgan Chase Holdings LLC270 Park Avenue New York NY 10017 United StatesJPMorgan Chase & Co.100.00N
Long position102,500
Short position61,500
J.P. Morgan Securities LLC270 Park Avenue New York NY 10017 United StatesJ.P. Morgan Broker-Dealer Holdings Inc.100.00N
Long position5,500
Short position5,500
J.P. MORGAN CAPITAL HOLDINGS LIMITED25 Bank Street Canary Wharf London E14 5JP EnglandJ.P. Morgan International Finance Limited100.00N
Long position16,980,988
Short position16,770,456
J.P. Morgan International Finance Limited270 Park Avenue New York NY 10017 United StatesJPMorgan Chase Bank, National Association100.00N
Long position16,980,988
Short position16,770,456
JPMorgan Chase Bank, National Association1111 Polaris Parkway Columbus OH 43240 United StatesJPMorgan Chase & Co.100.00N
Long position16,980,988
Short position16,770,456

23. Further information in relation to interests held by substantial shareholder jointly with another person:
Name of joint shareholderAddressNumber of shares
 
24. Further information from a trustee, a beneficiary of a trust, or a person who set up a discretionary trust:
Names of trustAddressStatus codeNumber of shares
  
25. Further information from a party to an agreement under Section 317 (Please see Notes for further information required):
Names of other partiesAddressNumber of shares
 
Total number of shares in which a substantial shareholder is interested under sections 317 and 318
26. Details of person(s) in accordance with whose directions the substantial shareholder or its directors are accustomed to act:
NamesAddressRelationship CodePercentage (%)
  
 
27. Supplementary information: JP Morgan Chase & Co. came to have a short position of 1% or more in the shares, or the percentage level of your short position in such shares increased.
28. Log/Serial Number of the previous form:
29. Number of concert party document(s) under section 317 attached/uploaded:
Date of filing this Form 2: 25/08/2026
(dd/mm/yyyy)