8-K - QUANTUM CORP /DE/ (0000709283) (Filer)
Published . Updated .
Filed: 2026-10-09 AccNo: 0001628280-26-065547 Size: 168 KB Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers Item 8.01: Other Events
Directly affected
- QMCO Quantum
Named in this report.
Indirectly affected
- CQTM CORGI ETF TR I QUANTUM COMPUTI
GA selected CQTM as a RELATED security because its canonical security name directly matches this event's themes: quantum. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
- QNC QUANTUM EMOTION CORP
GA selected QNC as a RELATED security because its canonical security name directly matches this event's themes: quantum, corp. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article.
Price reaction, T-5 to T+3
Filed: 2026-10-09 AccNo: 0001628280-26-065547 Size: 168 KB Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers Item 8.01: Other Events
Source: sec-edgar
The price since 9 Oct 2026: Quantum (QMCO) versus the S&P 500
Since the first closing price after “8-K - QUANTUM CORP /DE/ (0000709283) (Filer),” Quantum (QMCO) is -33.46%. The S&P 500 fund (SPY) is -1.47% over the same days, a -31.99% difference versus the market.
| Company | When | Move | Status |
|---|---|---|---|
| Corgi Etf Tr I Quantum Computi (CQTM) | that day | -4.68% | final price |
| Corgi Etf Tr I Quantum Computi (CQTM) | the next day | -7.42% | final price |
| Corgi Etf Tr I Quantum Computi (CQTM) | two days later | -13.46% | final price |
| Corgi Etf Tr I Quantum Computi (CQTM) | three days later | -13.46% | final price |
| Corgi Etf Tr I Quantum Computi (CQTM) | three days earlier | +8.76% | final price |
| Corgi Etf Tr I Quantum Computi (CQTM) | five days earlier | +8.76% | final price |
| GLD | that day | -0.63% | final price |
| GLD | the next day | -0.76% | final price |
| GLD | two days later | -2.24% | final price |
| GLD | three days later | -0.50% | final price |
| GLD | three days earlier | -2.27% | final price |
| GLD | five days earlier | -1.32% | final price |
| Quantum (QMCO) | that day | -9.60% | final price |
| Quantum (QMCO) | the next day | -12.85% | final price |
| Quantum (QMCO) | two days later | -21.59% | final price |
| Quantum (QMCO) | three days later | -28.98% | final price |
| Quantum (QMCO) | three days earlier | +2.10% | final price |
| Quantum (QMCO) | five days earlier | +11.76% | final price |
| Quantum eMotion (QNC) | that day | -10.79% | final price |
| Quantum eMotion (QNC) | the next day | -8.57% | final price |
| Quantum eMotion (QNC) | two days later | -15.56% | final price |
| Quantum eMotion (QNC) | three days later | -16.51% | final price |
| Quantum eMotion (QNC) | three days earlier | +0.63% | final price |
| Quantum eMotion (QNC) | five days earlier | +2.86% | final price |
| QQQ | that day | -0.70% | final price |
| QQQ | the next day | -1.01% | final price |
| QQQ | two days later | -2.97% | final price |
| QQQ | three days later | -3.07% | final price |
| QQQ | three days earlier | +0.86% | final price |
| QQQ | five days earlier | +0.64% | final price |
Who gains and who loses around Quantum (QMCO)
Companies tied to this story
- QMCO Quantum
Quantum (QMCO) is linked, with no stored direction, high confidence in the 9 Oct 2026 story “8-K - QUANTUM CORP /DE/ (0000709283) (Filer).” Reason on file: SEC 8-K filing -> direct issuer disclosure -> QMCO
- CQTM Corgi Etf Tr I Quantum Computi
For “8-K - QUANTUM CORP /DE/ (0000709283) (Filer),” Corgi Etf Tr I Quantum Computi (CQTM) is linked, with no stored direction, medium confidence. Reason on file: GA selected CQTM as a RELATED security because its canonical security name directly matches this event's themes: quantum. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
- QNC Quantum eMotion
Quantum eMotion (QNC) is linked, with no stored direction, medium confidence in the 9 Oct 2026 story “8-K - QUANTUM CORP /DE/ (0000709283) (Filer).” Reason on file: GA selected QNC as a RELATED security because its canonical security name directly matches this event's themes: quantum, corp. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
How “8-K - QUANTUM CORP /DE/ (0000709283) (Filer)” reaches Quantum (QMCO)
“8-K - QUANTUM CORP /DE/ (0000709283) (Filer)” (9 Oct 2026) reaches Quantum (QMCO) through this story.
Quantum (QMCO) is on the page because SEC 8-K filing -> direct issuer disclosure -> QMCO
Corgi Etf Tr I Quantum Computi (CQTM) is here too. Its reason reads: GA selected CQTM as a RELATED security because its canonical security name directly matches this event's themes: quantum. This is an explainable DERIVED market relationship, not a claim that the security was named in the source article
Dates and price levels for Quantum (QMCO)
CQTM traded between 18.36 and 24.50 across 20 sessions. The latest close on file is 18.39. QMCO traded between 18.24 and 35.50 across 20 sessions. The latest close on file is 18.30. QNC traded between 1.18 and 2.21 across 20 sessions. The latest close on file is 1.23.
What the saved facts support for Quantum (QMCO)
27 out of 100
“8-K - QUANTUM CORP /DE/ (0000709283) (Filer)” scores 27 out of 100. The score uses 1 sources, and 3 linked companies.