Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:5b8ba31e-e7b2-2a83-53e2-4ae97e74134e 2026-05-22T12:32:39-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services HQ: FITZSIMONS CATHERINE MICHELE (LO) Filed a Form 3, Becoming a Registered Insider at HORIZON QUANTUM HOLDINGS LTD With Initial Holdings of 0 urn:uuid:f72178e8-a177-b050-e2f8-2ae30a420dfd 2026-05-11T16:45:02-04:00 HQ: TURNER JILL ANN (DIR) Filed a Form 3, Becoming a Registered Insider at HORIZON QUANTUM HOLDINGS LTD With Initial Holdings of 0 urn:uuid:6eed896c-4d58-a800-2a6b-148de045b23f 2026-04-02T08:15:09-04:00 HQ: LAMBERT DANIELLE (DIR) Bought (JB*) 84,602 Shares of HORIZON QUANTUM HOLDINGS LTD for $11.82 on 3/19 urn:uuid:c4a28abc-35d9-6a0a-9204-6116c052c5a9 2026-03-25T19:01:28-04:00 HQ: FITZSIMONS JOSEPH FRANCIS (CEO,DIR,BO) Acquired (JB) 19.7mm Shares of HORIZON QUANTUM HOLDINGS LTD for $0.00 on 3/19 urn:uuid:e6d1921b-f250-421b-388a-6cb5d0547dbe 2026-03-24T18:30:09-04:00 HQ: YOU HARRY L (DIR,BO) Acquired (JB) 1.2mm Shares of HORIZON QUANTUM HOLDINGS LTD for $0.00 on 3/19 urn:uuid:139bc59a-a1ed-1aa5-fcb9-5904665d6052 2026-03-20T16:35:39-04:00 HQ: YOU HARRY L (DIR) Filed a Form 3, Becoming a Registered Insider at HORIZON QUANTUM HOLDINGS LTD With Initial Direct Holdings of 49,214 urn:uuid:67ad5d7a-1e7b-f2f4-70a5-ff81f188c71a 2026-03-20T16:30:25-04:00 HQ: LAMBERT DANIELLE (DIR) Filed a Form 3, Becoming a Registered Insider at HORIZON QUANTUM HOLDINGS LTD With Initial Holdings of 0 urn:uuid:9a8c4a58-8311-aaf8-db76-9f9feaf3f74e 2026-03-19T17:25:07-04:00 HQ: GOULD GREG (CFO) Filed a Form 3, Becoming a Registered Insider at HORIZON QUANTUM HOLDINGS LTD With Initial Holdings of 0 urn:uuid:0cb82a40-db54-76f4-3d99-7088ea3d100a 2026-03-19T17:25:06-04:00 HQ: OEY PETER HENRY (DIR) Filed a Form 3, Becoming a Registered Insider at HORIZON QUANTUM HOLDINGS LTD With Initial Holdings of 0 urn:uuid:873b97be-8e62-d769-ca3c-2a9fb0f50ac7 2026-03-19T17:25:04-04:00 HQ: FITZSIMONS JOSEPH FRANCIS (CEO,DIR,BO) Filed a Form 3, Becoming a Registered Insider at HORIZON QUANTUM HOLDINGS LTD With Initial Direct Holdings of 1 urn:uuid:26895137-eb2c-c29c-bd42-d2a4f67e3598 2026-03-19T17:25:03-04:00