Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:b7777ee0-df85-07a1-abc5-155efc8202e5 2026-05-14T00:05:54-04:00 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 QUMSU: MCCABE DANIEL M (DIR) Filed a Form 3, Becoming a Registered Insider at QUANTUMSPHERE ACQUISITION CORP With Initial Holdings of 0 urn:uuid:7570343c-b78f-3f2d-5b1e-0ddfdcbcdbe4 2025-08-12T17:29:29-04:00 QUMSU: WHITEOWL HOLDINGS LLC (BO) Filed a Form 3, Becoming a Registered Insider at QUANTUMSPHERE ACQUISITION CORP With Initial Direct Holdings of 3.1mm urn:uuid:e60ca102-0851-192c-e68c-e0b49090eeb4 2025-08-11T19:01:51-04:00 QUMSU: ZHANG WEI (DIR) Filed a Form 3, Becoming a Registered Insider at QUANTUMSPHERE ACQUISITION CORP With Initial Holdings of 0 urn:uuid:60314b9c-76da-7ad3-6c21-080f186383aa 2025-08-11T18:59:08-04:00 QUMSU: GONG QI (DIR) Filed a Form 3, Becoming a Registered Insider at QUANTUMSPHERE ACQUISITION CORP With Initial Holdings of 0 urn:uuid:c5b58884-6e6b-b229-868b-f84ec6091a4b 2025-08-11T18:57:01-04:00 QUMSU: ZHANG PING (CB,CEO,CFO,DIR) Filed a Form 3, Becoming a Registered Insider at QUANTUMSPHERE ACQUISITION CORP With Initial Indirect Holdings of 3.1mm urn:uuid:e0587d97-0532-a4ad-855b-a49d7d4122ff 2025-08-11T18:54:10-04:00