You Harry L.
Director / Ten Percent Owner
Other
Calculated transaction value
$0
1,163,484 shares @ $0
Traded
Nov 3, 2026
Filed
Nov 5, 2026
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Horizon Quantum Holdings Ltd.
HQ
Transactions reported in official disclosures
23 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| You Harry L. Director / Ten Percent Owner | Nov 5, 2026 2-day lag | Other Nov 3, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| You Harry L. Director / Ten Percent Owner | Nov 5, 2026 2-day lag | Other Nov 3, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| You Harry L. Director / Ten Percent Owner | Nov 5, 2026 2-day lag | Other Nov 3, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Fitzsimons Catherine Michele CLO And Cco | Oct 21, 2026 132-day lag | Award Jun 11, 2026 | $6.49M Filed shares x price | SEC Form 4 View filing | |
| Chew Qian Yi Amanda Chief Product Officer | Sep 16, 2026 30-day lag | Award Aug 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Fitzsimons Catherine Michele Cl And Co | Sep 15, 2026 3-day lag | Exercise Sep 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Fitzsimons Catherine Michele Cl And Co | Sep 15, 2026 3-day lag | Disposition Sep 12, 2026 | $17.08K Filed shares x price | SEC Form 4 View filing | |
| Fitzsimons Catherine Michele Cl And Co | Sep 15, 2026 3-day lag | Exercise Sep 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Fitzsimons Catherine Michele Cl And Co | Sep 15, 2026 95-day lag | Award Jun 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Gould Greg Chief Financial Officer | Sep 15, 2026 3-day lag | Exercise Sep 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Gould Greg Chief Financial Officer | Sep 15, 2026 3-day lag | Exercise Sep 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Gould Greg Chief Financial Officer | Sep 15, 2026 3-day lag | Disposition Sep 12, 2026 | $19.36K Filed shares x price | SEC Form 4 View filing | |
| Gould Greg Chief Financial Officer | Sep 15, 2026 95-day lag | Award Jun 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Tan Si-hui Chief Science Officer | Sep 15, 2026 3-day lag | Exercise Sep 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Tan Si-hui Chief Science Officer | Sep 15, 2026 3-day lag | Disposition Sep 12, 2026 | $45.52K Filed shares x price | SEC Form 4 View filing | |
| Tan Si-hui Chief Science Officer | Sep 15, 2026 3-day lag | Exercise Sep 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Tan Si-hui Chief Science Officer | Sep 15, 2026 26-day lag | Award Aug 20, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Tan Si-hui Chief Science Officer | Sep 15, 2026 95-day lag | Award Jun 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Tan Si-hui Chief Science Officer | Sep 15, 2026 180-day lag | Award Mar 19, 2026 | Not reported Reported range | SEC Form 4 View filing | |
| Fitzsimons Joseph Francis Chief Executive Officer | Sep 15, 2026 3-day lag | Exercise Sep 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Fitzsimons Joseph Francis Chief Executive Officer | Sep 15, 2026 3-day lag | Exercise Sep 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Fitzsimons Joseph Francis Chief Executive Officer | Sep 15, 2026 3-day lag | Disposition Sep 12, 2026 | $52.33K Filed shares x price | SEC Form 4 View filing | |
| Fitzsimons Joseph Francis Chief Executive Officer | Sep 15, 2026 95-day lag | Award Jun 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing |
You Harry L.
Director / Ten Percent Owner
Other
Calculated transaction value
$0
1,163,484 shares @ $0
Traded
Nov 3, 2026
Filed
Nov 5, 2026
You Harry L.
Director / Ten Percent Owner
Other
Calculated transaction value
$0
1,442,330 shares @ $0
Traded
Nov 3, 2026
Filed
Nov 5, 2026
Fitzsimons Catherine Michele
CLO And Cco
Award
Calculated transaction value
$6.49M
601,932 shares @ $10.78
Traded
Jun 11, 2026
Filed
Oct 21, 2026
Chew Qian Yi Amanda
Chief Product Officer
Award
Calculated transaction value
$0
17,857 shares @ $0
Traded
Aug 17, 2026
Filed
Sep 16, 2026
Fitzsimons Catherine Michele
Cl And Co
Exercise
Calculated transaction value
$0
2,148 shares @ $0
Traded
Sep 12, 2026
Filed
Sep 15, 2026
Fitzsimons Catherine Michele
Cl And Co
Disposition
Calculated transaction value
$17.08K
1,122 shares @ $15.22
Traded
Sep 12, 2026
Filed
Sep 15, 2026
Fitzsimons Catherine Michele
Cl And Co
Exercise
Calculated transaction value
$0
2,148 shares @ $0
Traded
Sep 12, 2026
Filed
Sep 15, 2026
Fitzsimons Catherine Michele
Cl And Co
Award
Calculated transaction value
$0
34,372 shares @ $0
Traded
Jun 12, 2026
Filed
Sep 15, 2026
Gould Greg
Chief Financial Officer
Exercise
Calculated transaction value
$0
3,437 shares @ $0
Traded
Sep 12, 2026
Filed
Sep 15, 2026
Gould Greg
Chief Financial Officer
Exercise
Calculated transaction value
$0
3,437 shares @ $0
Traded
Sep 12, 2026
Filed
Sep 15, 2026
Gould Greg
Chief Financial Officer
Disposition
Calculated transaction value
$19.36K
1,272 shares @ $15.22
Traded
Sep 12, 2026
Filed
Sep 15, 2026
Gould Greg
Chief Financial Officer
Award
Calculated transaction value
$0
54,995 shares @ $0
Traded
Jun 12, 2026
Filed
Sep 15, 2026
Tan Si-hui
Chief Science Officer
Exercise
Calculated transaction value
$0
5,728 shares @ $0
Traded
Sep 12, 2026
Filed
Sep 15, 2026
Tan Si-hui
Chief Science Officer
Disposition
Calculated transaction value
$45.52K
2,991 shares @ $15.22
Traded
Sep 12, 2026
Filed
Sep 15, 2026
Tan Si-hui
Chief Science Officer
Exercise
Calculated transaction value
$0
5,728 shares @ $0
Traded
Sep 12, 2026
Filed
Sep 15, 2026
Tan Si-hui
Chief Science Officer
Award
Calculated transaction value
$0
3,600 shares @ $0
Traded
Aug 20, 2026
Filed
Sep 15, 2026
Tan Si-hui
Chief Science Officer
Award
Calculated transaction value
$0
91,659 shares @ $0
Traded
Jun 12, 2026
Filed
Sep 15, 2026
Tan Si-hui
Chief Science Officer
Award
Reported value range
Not reported
55,000 shares
Traded
Mar 19, 2026
Filed
Sep 15, 2026
Fitzsimons Joseph Francis
Chief Executive Officer
Exercise
Calculated transaction value
$0
14,321 shares @ $0
Traded
Sep 12, 2026
Filed
Sep 15, 2026
Fitzsimons Joseph Francis
Chief Executive Officer
Exercise
Calculated transaction value
$0
14,321 shares @ $0
Traded
Sep 12, 2026
Filed
Sep 15, 2026
Fitzsimons Joseph Francis
Chief Executive Officer
Disposition
Calculated transaction value
$52.33K
3,438 shares @ $15.22
Traded
Sep 12, 2026
Filed
Sep 15, 2026
Fitzsimons Joseph Francis
Chief Executive Officer
Award
Calculated transaction value
$0
229,148 shares @ $0
Traded
Jun 12, 2026
Filed
Sep 15, 2026