Quantum Corporation (QMCO) SEC filings
QMCO SEC filings moved a median of -2.21% by the close. QMCO SEC filings — 10-K, 10-Q, 8-K and the rest — each read against the price at its own news timestamp. Back to the QMCO overview →
112 measured QMCO SEC filing events.
Where these QMCO SEC filings landedvs 111 measured QMCO SEC filing reactions
| Middle 50% of QMCO SEC filing reactions | -6.50% to +1.66% |
|---|---|
| Median reaction (to close) | -2.21% |
| Measured reactions | 111 |
Point-in-time · zero look-ahead
Half of the 111 QMCO SEC filing events with a measured close landed between -6.50% and +1.66%; 35% closed up.
| Date | Headline | Event | 5-min | To close |
|---|---|---|---|---|
| Form 8-K QUANTUM CORP /DE/ For: Oct 09 | SEC filing · Form 8-K | +0.68% | -6.11% | |
| Form 8-K QUANTUM CORP /DE/ For: Sep 28 | SEC filing · Form 8-K | +0.48% | +0.10% | |
| Form S-8 QUANTUM CORP /DE/ | SEC filing · Form S-8 | -0.90% | +6.02% | |
| Form 8-K QUANTUM CORP /DE/ For: Sep 15 | SEC filing · Form 8-K | +0.34% | +1.05% | |
| Form 8-K QUANTUM CORP /DE/ For: Sep 01 | SEC filing · Form 8-K | -0.17% | -5.28% | |
| Form 8-K QUANTUM CORP /DE/ For: Aug 11 | SEC filing · Form 8-K | -0.52% | +0.36% | |
| Form 10-Q QUANTUM CORP /DE/ For: Jun 30 | SEC filing · Form 10-Q | +8.20% | +33.06% | |
| Form ARS QUANTUM CORP /DE/ For: Mar 31 | SEC filing · Form ARS | -0.70% | -1.49% | |
| Form DEF 14A QUANTUM CORP /DE/ For: Sep 15 | SEC filing · Form DEF | -0.70% | -1.49% | |
| Form DEFA14A QUANTUM CORP /DE/ | SEC filing · Form DEFA14A | -0.70% | -1.49% | |
| Form EFFECT QUANTUM CORP /DE/ | SEC filing · Form EFFECT | -2.11% | -3.43% | |
| Form S-1 QUANTUM CORP /DE/ | SEC filing · Form S-1 | +0.72% | +4.14% | |
| Form 10-K QUANTUM CORP /DE/ For: Mar 31 | SEC filing · Form 10-K | -9.34% | +3.65% | |
| Form 8-K QUANTUM CORP /DE/ For: Jun 25 | SEC filing · Form 8-K | -9.34% | +3.65% | |
| Form NT 10-K QUANTUM CORP /DE/ For: Mar 31 | SEC filing · Form NT | +4.09% | -8.57% | |
| Quantum Corporation Files Form 12b-25 Notification of Late Filing | Press release | +4.09% | -8.57% | |
| Form 8-K QUANTUM CORP /DE/ For: Jun 04 | SEC filing · Form 8-K | -7.70% | -4.42% | |
| Form 8-K QUANTUM CORP /DE/ For: Jun 01 | SEC filing · Form 8-K | -1.13% | +1.01% | |
| Form SD QUANTUM CORP /DE/ | SEC filing · Form SD | +1.68% | +9.84% | |
| Form EFFECT QUANTUM CORP /DE/ | SEC filing · Form EFFECT | -0.77% | +4.05% | |
| Form S-1 QUANTUM CORP /DE/ | SEC filing · Form S-1 | +0.77% | +6.92% | |
| Form S-8 QUANTUM CORP /DE/ | SEC filing · Form S-8 | +0.77% | +6.92% | |
| Form 10-Q QUANTUM CORP /DE/ For: Dec 31 | SEC filing · Form 10-Q | -7.36% | -14.80% | |
| Form 8-K QUANTUM CORP /DE/ For: Feb 17 | SEC filing · Form 8-K | -7.36% | -14.80% | |
| Form 8-K QUANTUM CORP /DE/ For: Feb 02 | SEC filing · Form 8-K | -0.73% | +2.29% | |
| Form 8-K QUANTUM CORP /DE/ For: Jan 15 | SEC filing · Form 8-K | -3.16% | -1.86% | |
| Form 8-K QUANTUM CORP /DE/ For: Dec 16 | SEC filing · Form 8-K | +1.11% | +0.41% | |
| Form DEFA14A QUANTUM CORP /DE/ | SEC filing · Form DEFA14A | -0.73% | +7.13% | |
| Form EFFECT QUANTUM CORP /DE/ | SEC filing · Form EFFECT | -0.43% | -0.57% | |
| Form S-1 QUANTUM CORP /DE/ | SEC filing · Form S-1 | +3.41% | +0.68% | |
| Form ARS QUANTUM CORP /DE/ For: Mar 31 | SEC filing · Form ARS | -2.55% | -0.11% | |
| Form DEF 14A QUANTUM CORP /DE/ For: Dec 16 | SEC filing · Form DEF | -2.55% | -0.11% | |
| Form DEFA14A QUANTUM CORP /DE/ | SEC filing · Form DEFA14A | -2.55% | -0.11% | |
| Form 8-K QUANTUM CORP /DE/ For: Oct 28 | SEC filing · Form 8-K | +0.20% | +0.50% | |
| Form PRE 14A QUANTUM CORP /DE/ For: Oct 21 | SEC filing · Form PRE | -1.98% | -2.92% | |
| Form 8-K QUANTUM CORP /DE/ For: Oct 20 | SEC filing · Form 8-K | -2.43% | -3.79% | |
| Form 8-K QUANTUM CORP /DE/ For: Sep 30 | SEC filing · Form 8-K | -2.92% | +6.80% | |
| Form EFFECT QUANTUM CORP /DE/ | SEC filing · Form EFFECT | +0.31% | +11.01% | |
| Form POS AM QUANTUM CORP /DE/ | SEC filing · Form POS | -1.14% | +1.66% | |
| Form 10-Q/A QUANTUM CORP /DE/ For: Jun 30 | SEC filing · Form 10-Q | -1.27% | -9.41% | |
| Form 8-K QUANTUM CORP /DE/ For: Sep 23 | SEC filing · Form 8-K | -1.27% | -9.41% | |
| Form DEFA14A QUANTUM CORP /DE/ | SEC filing · Form DEFA14A | -1.27% | -9.41% | |
| Form 8-K QUANTUM CORP /DE/ For: Sep 12 | SEC filing · Form 8-K | +0.74% | +2.48% | |
| Form 10-Q QUANTUM CORP /DE/ For: Jun 30 | SEC filing · Form 10-Q | -0.14% | +2.08% | |
| Form 8-K QUANTUM CORP /DE/ For: Sep 10 | SEC filing · Form 8-K | +0.11% | -3.72% | |
| Form 8-K QUANTUM CORP /DE/ For: Aug 27 | SEC filing · Form 8-K | -1.06% | -1.72% | |
| Form 10-K QUANTUM CORP /DE/ For: Mar 31 | SEC filing · Form 10-K | +0.28% | +1.66% | |
| Form 8-K QUANTUM CORP /DE/ For: Aug 21 | SEC filing · Form 8-K | +0.28% | +1.66% | |
| Quantum Announces Filing of Fiscal Year 2025 Form 10-K, Delayed Filing of Form 10-Q for Quarter Ended June 30, 2025 and Nasdaq Notice Regarding Form 10-Q | Press release | +0.28% | +1.66% | |
| Form 8-K QUANTUM CORP /DE/ For: Aug 12 | SEC filing · Form 8-K | -2.62% | — | |
| Form NT 10-Q QUANTUM CORP /DE/ For: Jun 30 | SEC filing · Form NT | -1.07% | -0.27% | |
| Form 8-K QUANTUM CORP /DE/ For: Aug 08 | SEC filing · Form 8-K | -1.01% | -3.16% | |
| Form 8-K QUANTUM CORP /DE/ For: Jul 17 | SEC filing · Form 8-K | -0.88% | -2.63% | |
| Quantum Announces Receipt of Nasdaq Notice Regarding Delayed Form 10-K Filing | Press release | -0.88% | -2.63% | |
| Form 8-K QUANTUM CORP /DE/ For: Jul 01 | SEC filing · Form 8-K | -0.39% | -2.21% | |
| Form NT 10-K QUANTUM CORP /DE/ For: Mar 31 | SEC filing · Form NT | -0.08% | +3.22% | |
| Quantum Delays Form 10-K Filing for Fiscal Year Ended March 31, 2025 | Press release | -0.08% | +3.22% | |
| Form 8-K QUANTUM CORP /DE/ For: Jun 12 | SEC filing · Form 8-K | +0.29% | -15.45% | |
| Form 8-K QUANTUM CORP /DE/ For: Jun 02 | SEC filing · Form 8-K | -2.95% | -5.19% | |
| Form SD QUANTUM CORP /DE/ | SEC filing · Form SD | -5.95% | -11.41% | |
| Form 8-K QUANTUM CORP /DE/ For: May 06 | SEC filing · Form 8-K | -2.86% | -3.12% | |
| Form 8-K QUANTUM CORP /DE/ For: Apr 24 | SEC filing · Form 8-K | -2.27% | +0.00% | |
| Form EFFECT QUANTUM CORP /DE/ | SEC filing · Form EFFECT | +0.00% | -3.19% | |
| Form S-3 QUANTUM CORP /DE/ | SEC filing · Form S-3 | -1.45% | -1.60% | |
| Form 8-K QUANTUM CORP /DE/ For: Apr 16 | SEC filing · Form 8-K | +1.71% | -2.18% | |
| Form 8-K QUANTUM CORP /DE/ For: Mar 28 | SEC filing · Form 8-K | -2.71% | -5.26% | |
| Form DEF 14A QUANTUM CORP /DE/ For: Apr 24 | SEC filing · Form DEF | +0.13% | -6.48% | |
| Form 8-K QUANTUM CORP /DE/ For: Mar 19 | SEC filing · Form 8-K | +4.50% | +5.89% | |
| Form PRE 14A QUANTUM CORP /DE/ For: Mar 17 | SEC filing · Form PRE | -6.62% | +1.62% | |
| Form 10-Q QUANTUM CORP /DE/ For: Dec 31 | SEC filing · Form 10-Q | -4.29% | -6.22% | |
| Form 8-K QUANTUM CORP /DE/ For: Feb 12 | SEC filing · Form 8-K | -4.29% | -6.22% | |
| Form EFFECT QUANTUM CORP /DE/ | SEC filing · Form EFFECT | -0.98% | +33.89% | |
| Form S-1/A QUANTUM CORP /DE/ | SEC filing · Form S-1 | +0.90% | -6.94% | |
| Form 8-K QUANTUM CORP /DE/ For: Jan 25 | SEC filing · Form 8-K | -2.21% | -13.79% | |
| Form S-1 QUANTUM CORP /DE/ | SEC filing · Form S-1 | -2.21% | -13.79% | |
| Form 10-Q QUANTUM CORP /DE/ For: Sep 30 | SEC filing · Form 10-Q | -3.25% | -20.25% | |
| Form 8-K QUANTUM CORP /DE/ For: Nov 13 | SEC filing · Form 8-K | -3.25% | -20.25% | |
| Form 8-K QUANTUM CORP /DE/ For: Oct 04 | SEC filing · Form 8-K | +4.15% | +1.81% | |
| Form 8-K QUANTUM CORP /DE/ For: Sep 17 | SEC filing · Form 8-K | +0.00% | +1.86% | |
| Form S-8 QUANTUM CORP /DE/ | SEC filing · Form S-8 | +1.17% | +3.80% | |
| Form 10-Q QUANTUM CORP /DE/ For: Dec 31 | SEC filing · Form 10-Q | +5.78% | -1.18% | |
| Form 10-Q QUANTUM CORP /DE/ For: Sep 30 | SEC filing · Form 10-Q | +5.78% | -1.18% | |
| Form 8-K QUANTUM CORP /DE/ For: Aug 15 | SEC filing · Form 8-K | -2.42% | -16.87% | |
| Form 10-Q QUANTUM CORP /DE/ For: Jun 30 | SEC filing · Form 10-Q | -2.66% | -4.34% | |
| Form 8-K QUANTUM CORP /DE/ For: Aug 13 | SEC filing · Form 8-K | +0.26% | -6.19% | |
| Form 8-K QUANTUM CORP /DE/ For: Aug 13 | SEC filing · Form 8-K | +0.26% | -6.19% | |
| Form DEFA14A QUANTUM CORP /DE/ | SEC filing · Form DEFA14A | -2.50% | -7.26% | |
| Form 8-K QUANTUM CORP /DE/ For: Jul 11 | SEC filing · Form 8-K | +1.96% | -2.46% | |
| Form ARS QUANTUM CORP /DE/ For: Mar 31 | SEC filing · Form ARS | +3.21% | +1.95% | |
| Form DEF 14A QUANTUM CORP /DE/ For: Aug 15 | SEC filing · Form DEF | +3.21% | +1.95% | |
| Form DEFA14A QUANTUM CORP /DE/ | SEC filing · Form DEFA14A | +3.21% | +1.95% | |
| Form 10-K QUANTUM CORP /DE/ For: Mar 31 | SEC filing · Form 10-K | +3.84% | -3.56% | |
| Form 8-K QUANTUM CORP /DE/ For: Jun 12 | SEC filing · Form 8-K | -2.60% | -5.24% | |
| Form PRE 14A QUANTUM CORP /DE/ For: Aug 15 | SEC filing · Form PRE | -2.60% | -5.24% | |
| Form 8-K QUANTUM CORP /DE/ For: Jun 17 | SEC filing · Form 8-K | -2.22% | -13.89% | |
| Form 8-K QUANTUM CORP /DE/ For: Jun 06 | SEC filing · Form 8-K | -1.79% | +8.26% | |
| Form SD QUANTUM CORP /DE/ | SEC filing · Form SD | +0.00% | -4.17% | |
| Form 8-K QUANTUM CORP /DE/ For: May 22 | SEC filing · Form 8-K | -2.34% | -1.08% | |
| Form 8-K QUANTUM CORP /DE/ For: May 03 | SEC filing · Form 8-K | +0.00% | -4.23% | |
| Form 8-K QUANTUM CORP /DE/ For: Apr 08 | SEC filing · Form 8-K | +3.30% | -8.11% | |
| Form 8-K QUANTUM CORP /DE/ For: Mar 19 | SEC filing · Form 8-K | -0.03% | -9.32% | |
| Form 8-K QUANTUM CORP /DE/ For: Feb 14 | SEC filing · Form 8-K | -1.23% | -10.79% | |
| Form 8-K QUANTUM CORP /DE/ For: Feb 13 | SEC filing · Form 8-K | -12.50% | -31.93% | |
| Form NT 10-Q QUANTUM CORP /DE/ For: Dec 31 | SEC filing · Form NT | -12.50% | -31.93% | |
| Quantum Announces Delayed Form 10-Q Filing for Quarter Ending December 31, 2023 | Press release | -12.50% | -31.93% | |
| Quantum Announces Update on Plan to Regain Nasdaq Compliance and Delayed Form 10-Q Filing | Press release | +0.64% | +9.72% | |
| Form 8-K QUANTUM CORP /DE/ For: Nov 14 | SEC filing · Form 8-K | -1.59% | -7.08% | |
| Quantum Announces Notification from Nasdaq Related to Delayed Form 10-Q Filing | Press release | -1.59% | -7.08% | |
| Form 8-K QUANTUM CORP /DE/ For: Nov 09 | SEC filing · Form 8-K | +6.11% | -2.72% | |
| Form 8-K QUANTUM CORP /DE/ For: Nov 10 | SEC filing · Form 8-K | +3.50% | -6.52% | |
| Form NT 10-Q QUANTUM CORP /DE/ For: Sep 30 | SEC filing · Form NT | +3.50% | -6.52% | |
| Quantum Files Form 12b-25 Notification of Late filing | Press release | +3.50% | -6.52% |
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