Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-09-12 Sale | 2026-09-15 9:31 pm | Horizon Quantum Holdings Ltd. | HQ | Tan Si-Hui Chief Science Officer | 2,991 | $15.22 | $45,523 | 238,927 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-09-12 Exercise | 2026-09-15 9:31 pm | N/A N/A | Horizon Quantum Holdings Ltd. | HQ | Tan Si-Hui Chief Science Officer | 5,728 | $0 | 238,927 (Direct) | View |
| 2026-03-19 Option Award | 2026-09-15 9:31 pm | N/A 2035-02-01 | Horizon Quantum Holdings Ltd. | HQ | Tan Si-Hui Chief Science Officer | 150,259 | $0 | 238,927 (Indirect) | View |
| 2026-03-19 Option Award | 2026-03-25 4:21 pm | N/A 2032-03-01 | Horizon Quantum Holdings Ltd. | HQ | Tan Si-Hui Chief Science Officer | 500,000 | $0 | 500,000 (Direct) | View |