HQ: Chew Qian Yi Amanda discloses securities transactions

By AlphaYouPublished Sep 16, 2026Form 4

Stocks in this disclosure

Reported activity

Chew Qian Yi Amanda

Reporting filer

Chew Qian Yi Amanda reported Grant or award in Horizon Quantum Holdings Ltd.: 17857 units of Restricted Stock Unit (derivative), dated 2026-08-17. The full Form 4 contains 1 transaction entry.

Disclosed: Sep 16, 2026

Reported details

1 entry

All validated entries in this disclosure
Security	Owner	Date	Code	Action	Quantity	Price	Following holdings	Reporting delay	Filed terms and references
Restricted Stock Unit (derivative)	Chew Qian Yi Amanda	2026-08-17	A	Grant or award	17857	0	17,857	30 days	Filed terms security Title: Restricted Stock Unit conversion Or Exercise Price: 0 id: F1 transaction Date: 2026-08-17 deemed Execution Date: transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Timeliness: transaction Shares: 17857 id: F1 transaction Price Per Share: 0 id: F1 transaction Acquired Disposed Code: A id: F1 id: F2 underlying Security Title: Class A Ordinary Shares underlying Security Shares: 17857 id: F2 shares Owned Following Transaction: 17857 direct Or Indirect Ownership: D

Restricted Stock Unit (derivative)

Owner: Chew Qian Yi Amanda
Date: 2026-08-17
Code: A
Action: Grant or award
Quantity: 17857
Price: 0
Following holdings: 17,857
Reporting delay: 30 days
Filed terms and references: Filed terms
security Title: Restricted Stock Unit
conversion Or Exercise Price: 0
id: F1
transaction Date: 2026-08-17
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 17857
id: F1
transaction Price Per Share: 0
id: F1
transaction Acquired Disposed Code: A
id: F1
id: F2
underlying Security Title: Class A Ordinary Shares
underlying Security Shares: 17857
id: F2
shares Owned Following Transaction: 17857
direct Or Indirect Ownership: D

Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.
Chew Qian Yi Amanda: Chief Product Officer.
F1: Each restricted stock unit ("RSU") represents a contingent right to receive one Class A ordinary share, with no par value ("Class A Ordinary Share"), of Horizon Quantum Holdings Ltd. (the "Company") upon vesting, for no consideration.
F2: On August 17, 2026 (the "Grant Date"), Ms. Chew was granted a total of unvested 17,857 RSUs. The RSUs granted to Ms. Chew vest in sixteen approximately equal installments on successive quarterly anniversaries of the Grant Date and are subject to Ms. Chew's continued employment with the Company through each applicable vesting date.

Original sources

SEC ownership filing

Prepared automatically from public filing data. Report a correction.

Security

Owner

Date

Code

Action

Quantity

Price

Following holdings

Reporting delay

Filed terms and references

Restricted Stock Unit (derivative)

Chew Qian Yi Amanda

2026-08-17

Grant or award

17857

17,857

30 days

Filed terms

security Title: Restricted Stock Unit
conversion Or Exercise Price: 0
id: F1
transaction Date: 2026-08-17
deemed Execution Date:
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 17857
id: F1
transaction Price Per Share: 0
id: F1
transaction Acquired Disposed Code: A
id: F1
id: F2
underlying Security Title: Class A Ordinary Shares
underlying Security Shares: 17857
id: F2
shares Owned Following Transaction: 17857
direct Or Indirect Ownership: D

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.

Chew Qian Yi Amanda: Chief Product Officer.

F1: Each restricted stock unit ("RSU") represents a contingent right to receive one Class A ordinary share, with no par value ("Class A Ordinary Share"), of Horizon Quantum Holdings Ltd. (the "Company") upon vesting, for no consideration.

F2: On August 17, 2026 (the "Grant Date"), Ms. Chew was granted a total of unvested 17,857 RSUs. The RSUs granted to Ms. Chew vest in sixteen approximately equal installments on successive quarterly anniversaries of the Grant Date and are subject to Ms. Chew's continued employment with the Company through each applicable vesting date.