HQ Exercise Disclosure
Tan Si-hui · SEC Form 4 · Filed Sep 15, 2026
Exercise
Calculated transaction value
$0
Tan Si-hui Chief Science Officer
Transaction date
Sep 12, 2026
Public filing date
Sep 16, 2026
Filing lag
Filed 4 days later
HQ daily price context
No linked price history
This asset is not matched to a market-data symbol.
Source details
- Reported owner
- Not disclosed
- Source asset code
- Derivative
- Security
- Restricted Stock Unit on Class A Ordinary Shares
- Quantity / price
- 5,728 shares @ $0
- SEC ownership
- Direct
- Transaction code
- M
- Form
- 4
- Filing identifier
- 0001213900-26-100280
Filing cohort
Transactions in this filing
Showing 6 of 6
Trades
6
Issuers
1
Estimated value
$45.52K
Buys / sales
0 / 0
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Horizon Quantum Holdings Ltd. HQ Current | Exercise | Sep 12, 2026 | $0 |
| Horizon Quantum Holdings Ltd. HQ | Exercise | Sep 12, 2026 | $0 |
| Horizon Quantum Holdings Ltd. HQ | Disposition | Sep 12, 2026 | $45.52K |
| Horizon Quantum Holdings Ltd. HQ | Award | Aug 20, 2026 | $0 |
| Horizon Quantum Holdings Ltd. HQ | Award | Jun 12, 2026 | $0 |
| Horizon Quantum Holdings Ltd. HQ | Award | Mar 19, 2026 | Not reported |