| 06/25/2026 4:16 PM | Quantum (709283) Filer | Form 10-K Annual report pursuant to Section 13 or 15(d) | |
| 06/25/2026 3:21 PM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 06/15/2026 7:30 AM | Quantum (709283) Filer | Form NT 10-K | |
| 06/08/2026 8:54 PM | FICHTHORN JOHN (1411509) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 06/08/2026 8:14 PM | Dialectic Technology SPV LLC (2055322) Filed by Quantum (709283) Subject | Form SCHEDULE 13D/A | |
| 06/08/2026 8:21 PM | Dialectic Technology SPV LLC (2055322) Reporting Quantum (709283) Issuer | Form 4 Statement of changes in beneficial ownership of securities | |
| 06/05/2026 3:05 PM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 06/02/2026 9:41 AM | Quantum (709283) Filer | Form 8-K Current report pursuant to Section 13 or 15(d) | |
| 05/29/2026 4:15 PM | Quantum (709283) Filer | Form SD Specialized Disclosure Report | |
| 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 | |
Get the Latest News and Ratings for QMCO and Related Stocks Enter your email address below to receive the latest news and analysts' ratings for Quantum and its competitors with MarketBeat's FREE daily newsletter.
|
| 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 | |
| 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 | |
The pre-flight check for options traders (Ad) Pilots never skip their pre-flight checklist - and neither should options traders. The Smart Trade Options Checklist covers the 7 most critical checks in about 30 seconds, helping you catch losing trades before you enter them.
Normally $29.97, it's available free for a limited time. Download it now and run it before every trade. Download the Smart Trade Options Checklist free before the link expires |
| 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 | |
| 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) | |