| 04/03/2026 3:15 PM | Meyrath Hugues (1419111) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 04/03/2026 3:15 PM | Craythorne Anthony (2075430) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 04/03/2026 3:15 PM | Nash Laura A. (1979364) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 02/23/2026 11:15 PM | Quantum (709283) Filer | Form EFFECT | |
| 02/09/2026 5:11 PM | Quantum (709283) Issuer White William Hillis (2108496) Reporting | Form 3 Initial statement of beneficial ownership of securities | |
| 02/02/2026 7:04 AM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 01/15/2026 7:42 AM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 01/12/2026 5:58 PM | Dialectic Technology SPV LLC (2055322) Filed by Quantum (709283) Subject | Form SCHEDULE 13D/A | |
| 01/05/2026 6:41 PM | Craythorne Anthony (2075430) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 01/05/2026 6:27 PM | Quantum (709283) Issuer White Yue Zhou (1875944) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 01/05/2026 6:28 PM | Meyrath Hugues (1419111) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
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| 01/05/2026 6:21 PM | Quantum (709283) Issuer Tracy John R. (2027146) Reporting | Form 4 Statement of changes in beneficial ownership of securities | |
| 01/05/2026 6:22 PM | FICHTHORN JOHN (1411509) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 01/05/2026 6:24 PM | Jaworksi Don (1947510) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 01/05/2026 6:25 PM | Blevins Tony J (2085976) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 01/05/2026 6:25 PM | Clancy James C (2085977) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 12/29/2025 7:27 PM | FICHTHORN JOHN (1411509) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 12/23/2025 8:42 PM | Dialectic Technology SPV LLC (2055322) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 12/23/2025 8:37 PM | Dialectic Technology SPV LLC (2055322) Reporting Quantum (709283) Issuer | Form 3 Initial statement of beneficial ownership of securities | |
| 12/22/2025 7:32 PM | Dialectic Technology SPV LLC (2055322) Filed by Quantum (709283) Subject | Form SCHEDULE 13D/A | |
| 12/18/2025 4:15 PM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 12/02/2025 3:24 PM | Quantum (709283) Filer | Form DEFA14A | |
| 11/13/2025 4:07 PM | Quantum (709283) Filer | Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
| 11/04/2025 6:16 PM | Blevins Tony J (2085976) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 11/04/2025 6:00 PM | Meyrath Hugues (1419111) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 11/04/2025 6:10 PM | Clancy James C (2085977) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 10/31/2025 3:34 PM | Quantum (709283) Filer | Form DEF 14A | |
| 10/31/2025 3:36 PM | Quantum (709283) Filer | Form DEFA14A | |
| 10/31/2025 3:37 PM | Quantum (709283) Filer | Form ARS | |
| 10/28/2025 6:33 AM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 10/21/2025 4:06 PM | Quantum (709283) Filer | Form PRE 14A | |
| 10/10/2025 3:20 PM | Dialectic Technology SPV LLC (2055322) Filed by Quantum (709283) Subject | Form SCHEDULE 13D | |
| 10/06/2025 3:03 PM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 10/03/2025 4:22 PM | Meyrath Hugues (1419111) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 10/03/2025 3:42 PM | Nash Laura A. (1979364) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 10/01/2025 3:05 PM | Quantum (709283) Filer | Form 424B3 | |
| 09/30/2025 11:15 PM | Quantum (709283) Filer | Form EFFECT | |
| 09/26/2025 4:04 PM | Quantum (709283) Filer | Form POS AM | |
| 09/23/2025 7:54 AM | Quantum (709283) Filer | Form 10-Q/A | |
| 09/23/2025 7:45 AM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 09/23/2025 7:48 AM | Quantum (709283) Filer | Form DEFA14A | |
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| 09/17/2025 6:04 PM | Blevins Tony J (2085976) Reporting Quantum (709283) Issuer | Form 3 Initial statement of beneficial ownership of securities | |
| 09/17/2025 5:58 PM | Clancy James C (2085977) Reporting Quantum (709283) Issuer | Form 3 Initial statement of beneficial ownership of securities | |
| 09/17/2025 5:29 PM | Nash Laura A. (1979364) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 09/15/2025 3:11 PM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 09/11/2025 3:23 PM | Quantum (709283) Filer | Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
| 09/10/2025 3:12 PM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 08/28/2025 3:12 PM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 08/26/2025 4:26 PM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 08/26/2025 3:54 PM | Quantum (709283) Filer | Form 10-K Annual report pursuant to Section 13 or 15(d) | |
| 08/18/2025 3:02 PM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 07/14/2025 3:12 PM | Craythorne Anthony (2075430) Reporting Quantum (709283) Issuer | Form 3 Initial statement of beneficial ownership of securities | |
| 07/08/2025 4:04 PM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 06/03/2025 8:00 AM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |