QUANTUM CORP /DE/ (QMCO) SEC Filings & Earnings Calls
EquiReason read 22 QUANTUM CORP /DE/ SEC filings in the last 12 months. Latest: 8-K on 2026-10-09 — CFO terminated effective immediately; CAO appointed as Principal Financial Officer. Board committee changes also noted. No operational disruption expected..
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- 26 Oct, in 2 days
Every filing, read
last 12 months · SECWhat happened, the numbers inside, guidance and risks. The original is one click away.
9 Oct 20268-K · 5.02, 8.01CFO terminated effective immediately; CAO appointed as Principal Financial Officer. Board committee changes also noted. No operational disruption expected.open
Risks flagged
CFO termination may indicate internal control or financial reporting issues, though company expects timely 10-Q filing.
“CFO terminated effective immediately; company expects to timely file quarterly report.”
14 Aug 20268-K · 5.02Chief Accounting Officer Laura A. Nash transitioning out effective Sep 1, 2026; no disagreements; operations not disrupted; new CAO expected by Sep 1, 2026.open
Risks flagged
Key accounting officer departure may cause temporary gap in financial reporting oversight until replacement is named.
“Company anticipates announcing a new Principal Accounting Officer on or around September 1, 2026.” · word for word
11 Aug 202610-QQuantum completed a comprehensive balance sheet restructuring: repaid term loan, converted convertible note to equity, and raised $94.6M in a private placement.open
Figures in the filing · each found in the filing text
| Total Revenue · Q1-2027 | $81M | +26% y/y |
| Product Revenue · Q1-2027 | $54M | +44% y/y |
| Service and Subscription Revenue · Q1-2027 | $25M | -1% y/y |
| Gross Profit · Q1-2027 | $32M | +40% y/y |
| Gross Margin · Q1-2027 | 39.3% | |
| Income (Loss) from Operations · Q1-2027 | $5M | -140% y/y |
| Net Loss · Q1-2027 | $-155M | +803% y/y |
| Cash and Cash Equivalents · Q1-2027 | $54M | +250% y/y |
| Secondary Storage Revenue · Q1-2027 | $37M | +100% y/y |
Risks flagged
Material Weaknesses in Internal Controls
“Management concluded that the Company’s internal control over financial reporting was not effective as of June 30, 2026, due to the material weaknesses described below.” · word for word
Going Concern Risk
“Management believes that it has the ability to obtain additional debt or equity financing, if required, and has historically been able to do so.” · word for word
Shareholder Litigation
“On September 4, 2025, a shareholder class action complaint was filed...alleges violations of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934” · word for word
Macroeconomic Uncertainty
“The macro environment remains unpredictable and our past results may not be indicative of future performance.” · word for word
10 Aug 20268-K · 2.02Quantum Corp reports Q1 FY2027 revenue $80.8M (above guidance $75M±$2M), first non-GAAP profitable quarter since FY2023, record backlog, debt eliminated, cash $54.6M. Guides Q2 revenue $82M±$2M, non-GAAP EPS $0.12±$0.10.earningsopen
Figures in the filing · each found in the filing text
| Revenue · Q1-2027 | $81M | +26% y/y |
| GAAP gross profit · Q1-2027 | $32M | +40% y/y |
| GAAP gross margin · Q1-2027 | 39.3% | |
| GAAP net loss · Q1-2027 | $-155M | +803% y/y |
| Non-GAAP adjusted net income · Q1-2027 | $4M | -128% y/y |
| Non-GAAP adjusted EBITDA · Q1-2027 | $8M | -223% y/y |
| Cash, cash equivalents and restricted cash · 2026-06-30 | $55M | +46% y/y |
Guidance
Q2 FY2027 revenue $82.0M±$2M; non-GAAP adjusted operating expenses $27M±$1M; non-GAAP adjusted basic net income per share $0.12±$0.10; non-GAAP adjusted EBITDA $6M±$1M
Revenue guidance for Q2 ($82M±$2M) implies sequential growth from Q1 actual ($80.8M), with continued profitability. Backlog at record levels supports demand strength.
Risks flagged
Supply constraints limit ability to meet demand, potentially capping revenue growth.
“Although supply constraints continue to limit our ability to fully meet demand” · word for word
29 Jul 2026DEF 14AProxy statement seeking shareholder approval to increase share reserve for equity compensation and elect directors.open
Figures in the filing · each found in the filing text
| Final Fiscal 2026 Revenue · FY2026 | $280M | |
| Fiscal 2026 QIP Revenue Target · FY2026 | $250M | |
| Fiscal 2026 QIP Bank EBITDA Target · FY2026 | $14M | |
| Shares Outstanding · 2026-07-20 | 39,400,833 | |
| Stock Price (March 31, 2026) · 2026-03-31 | $4.75 | |
| Net Income (Fiscal 2026) · FY2026 | $-101M | |
| Company TSR (Fiscal 2026) · FY2026 | $3.00 |
Risks flagged
Supply Chain Disruption
“We face new supply chain challenges that we are working hard to navigate and overcome” · word for word
Equity Dilution from Share Request
“increase the number of shares of our common stock reserved for issuance under the 2023 Plan by 3,400,000 shares” · word for word
Financial Restatement Risk
“the Company restated certain financial statements in the fiscal years ended March 31, 2025 (Fiscal 2025) and March 31, 2024 (Fiscal 2024)” · word for word
Key Person Retention Risk
“If Proposal Two is not approved, we may be unable to continue to offer competitive equity packages to attract and retain employees, creating a material retention risk” · word for word
25 Jun 202610-KQuantum reported FY2026 revenue of $279.6M (+2% YoY), gross margin of 36.9% (-320 bps), and net loss of $101.0M, with strong secondary storage growth offset by primary storage and service declines.earningsopen
Figures in the filing · each found in the filing text
| Total Revenue · FY2026 | $280M | +2% y/y |
| Product Revenue · FY2026 | $172M | +12% y/y |
| Service and Subscription Revenue · FY2026 | $99M | -10% y/y |
| Royalty Revenue · FY2026 | $8M | -14% y/y |
| Gross Profit · FY2026 | $103M | -6% y/y |
| Gross Margin · FY2026 | 36.9% | |
| Product Gross Margin · FY2026 | 21.0% | |
| Service and Subscription Gross Margin · FY2026 | 59.3% | |
| Net Loss · FY2026 | $101M | -12% y/y |
| Cash and Cash Equivalents · 2026-03-31 | $16M | -5% y/y |
Risks flagged
Material Weaknesses in Internal Controls
“We have concluded that our internal control over financial reporting and disclosure controls and procedures were not effective as of March 31, 2026 and 2025 due to the existence of material weaknesses in our internal control over financial reporting” · word for word
Going Concern Risk (Mitigated)
“Subsequent to March 31, 2026, the Company completed several transactions which resulted in the repayment of the Term Loans and removed the substantial doubt noted above.” · word for word
Nasdaq Delisting Risk
“If we do not continue to meet all of the continued listing requirements of Nasdaq, we may be delisted.” · word for word
Customer Concentration
“Sales to our top five customers represented 27% and 21% of revenue in fiscal 2026 and fiscal 2025, respectively, of which one customer represented more than 10% of total fiscal 2026 revenue” · word for word
Supply Chain Concentration
“We currently rely on a single contract manufacturer to manufacture our products and to provide warehousing and logistics services for our spare parts.” · word for word
25 Jun 20268-K · 2.02Quantum Corp reported Q4 FY2026 revenue of $78.0M, up 27% YoY, exceeding guidance of $68M±$2M. GAAP net loss improved to ($0.66)/share from ($1.26). Non-GAAP adjusted EBITDA turned positive at $1.0M. Debt reduced to $55.9M from $102.5M. Guiearningsopen
Figures in the filing · each found in the filing text
| Revenue · Q4-2026 | $78M | +27% y/y |
| GAAP gross profit · Q4-2026 | $28M | +15% y/y |
| GAAP gross margin · Q4-2026 | 35.7% | |
| GAAP net loss · Q4-2026 | $-10M | +23% y/y |
| Non-GAAP adjusted net loss · Q4-2026 | $-3M | |
| Non-GAAP adjusted EBITDA · Q4-2026 | $1M | -126% y/y |
| Cash, cash equivalents and restricted cash · 2026-03-31 | $16M | -2% y/y |
| Outstanding term loan debt · 2026-03-31 | $56M | -45% y/y |
| Interest expense · Q4-2026 | $3M | -57% y/y |
| GAAP operating expenses · Q4-2026 | $30M | -15% y/y |
Guidance
Q1 FY2027 revenue $75.0M±$2M; non-GAAP adjusted operating expenses $27M±$1M; non-GAAP adjusted basic net loss per share ($0.15)±$0.10; non-GAAP adjusted EBITDA $1.5M±$1M
Q1 FY2027 guidance implies sequential revenue decline from Q4's $78M to ~$75M, but still strong YoY growth. Management expresses confidence in FY2027 with transformed business and debt elimination.
Risks flagged
Gross margin compression: GAAP gross margin declined to 35.7% from 39.6% YoY, indicating potential pricing pressure or cost headwinds.
“GAAP gross profit in the fiscal fourth quarter of 2026 was $27.8 million, or 35.7% of revenue, compared to $24.2 million, or 39.6% of revenue, in the fiscal fourth quarter of 2025.” · word for word
Supply chain constraints remain an industry-wide challenge, which could impact future revenue and margin performance.
“Although supply chain constraints remain an industry-wide challenge, we are seeing clear momentum in our pipeline and backlog.” · word for word
Convertible note fair valued at $90.0 million adds potential dilution risk.
“The new convertible note was fair valued at $90.0 million.” · word for word
8 Jun 2026SC 13D/ADialectic Technology SPV LLC increased its beneficial ownership to 40% and converted all Convertible Notes into equity, providing debt relief and new equity capital.open
Figures in the filing · each found in the filing text
| Beneficial Ownership Percentage · 2026-06-04 | 40.0% |
Risks flagged
Dilution from warrant exercise
“Conversion Warrant to purchase up to 105,911 shares of Common Stock at an exercise price of $5.1940 per share” · word for word
2 Jun 20268-K · 1.01, 2.02, 2.03, 3.02, 8.01Quantum Corp. announced a $100M private placement, repayment of all term debt, and conversion of convertible notes to equity, eliminating debt and strengthening balance sheet.open
Risks flagged
Dilution from equity issuance and note conversion
“10,615,712 shares at $9.42 per share; 14,104,620 shares to Dialectic upon conversion”
17 Feb 20268-K · 2.02Quantum Corp reported Q3 FY2026 revenue of $74.6M, exceeding guidance of $67M±$2M and preliminary $72.7M. Non-GAAP adjusted EBITDA was $2.9M, above guidance. Revenue grew 19% QoQ. Guidance for Q4 FY2026: revenue $68M±$2M, non-GAAP adjustedearningsopen
Figures in the filing · each found in the filing text
| Revenue · Q3-2026 | $75M | |
| GAAP gross profit · Q3-2026 | $29M | |
| Non-GAAP gross profit · Q3-2026 | $29M | |
| GAAP gross margin · Q3-2026 | 38.8% | |
| Non-GAAP gross margin · Q3-2026 | 38.7% | |
| GAAP operating expenses · Q3-2026 | $30M | |
| Non-GAAP adjusted operating expenses · Q3-2026 | $27M | |
| GAAP net loss · Q3-2026 | $28M | |
| Non-GAAP adjusted net loss · Q3-2026 | $5M | |
| Non-GAAP adjusted EBITDA · Q3-2026 | $3M |
Guidance
Q4 FY2026 revenue $68M±$2M; non-GAAP adjusted operating expenses $27M±$2M; non-GAAP adjusted basic net loss per share ($0.33)±$0.10; non-GAAP adjusted EBITDA breakeven±$2M
Q4 guidance implies revenue decline from Q3's $74.6M to ~$68M, but management highlights pipeline and backlog growth, balance sheet improvement, and AI demand tailwinds
Risks flagged
Remaining term loan debt of $54.6M and convertible note fair value of $75.9M indicate ongoing leverage
“Outstanding term loan debt, excluding debt issuance costs, was $54.6 million... The new convertible note was fair valued at $75.9 million” · word for word
Cash position declined to $13.8M from $20.6M YoY, raising liquidity concerns
“Cash, cash equivalents and restricted cash were $13.8 million, compared to $20.6 million as of December 31, 2024” · word for word
17 Feb 202610-QQuantum reported Q3 FY2026 results: revenue $74.6M (+9% YoY), net loss $27.8M, with going concern doubt and debt restructuring.earningsopen
Figures in the filing · each found in the filing text
| Total revenue · Q3-2026 | $75M | +9% y/y |
| Product revenue · Q3-2026 | $46M | +20% y/y |
| Service and subscription revenue · Q3-2026 | $27M | -4% y/y |
| Gross margin · Q3-2026 | 38.8% | |
| Product gross margin · Q3-2026 | 23.4% | |
| Service and subscription gross margin · Q3-2026 | 62.1% | |
| Net loss · Q3-2026 | $28M | -63% y/y |
| Cash and cash equivalents · 2025-12-31 | $13M | |
| Term Loan debt · 2025-12-31 | $55M | |
| Remaining performance obligations (RPO) · 2025-12-31 | $139M |
Risks flagged
Going concern doubt
“The Company is required to repay the Term Loan on August 5, 2026. The Company does not have sufficient cash to make this repayment, nor does the Company expect to generate sufficient cash through operating activities to repay the Term Loan by August 5, 2026.”
Material weaknesses in internal controls
“Management did not adequately design and implement effective control activities resulting in the identification of the following material weaknesses: Revenue Recognition... Manufacturing Inventory... Control Environment” · word for word
Shareholder litigation
“On September 4, 2025, a shareholder class action complaint was filed... It alleges certain violations of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 and SEC Rule 10b-5 related to certain disclosures made in the Company’s quarterly and annual reports regarding its financial reporting for the third quarter of the Company’s fiscal year 2025 ” · word for word
High leverage and debt maturity
“Term Loan $54,636... Convertible Note $75,873... The Company is required to repay the Term Loan on August 5, 2026.”
15 Jan 20268-K · 2.02Preliminary FQ3 revenue ~$72.7M above high-end of guided $67M±$2M; GAAP gross margin ~38%; non-GAAP op ex within guidance. Revenue beat indicates demand strength.earningsopen
Figures in the filing · each found in the filing text
| Revenue · Q3-2026 | $73M | |
| GAAP gross margin · Q3-2026 | 38.0% | |
| GAAP operating expenses · Q3-2026 | $28M | |
| Non-GAAP adjusted operating expenses · Q3-2026 | $27M |
Risks flagged
Preliminary results subject to change; final close and auditor review may lead to adjustments.
“The results reported in this press release are preliminary and unaudited and are subject to change.” · word for word
13 Nov 202510-QQuantum reported Q2 FY2026 results: revenue $62.7M (-13% YoY), net loss $46.5M, with going concern doubt and debt restructuring.earningsopen
Figures in the filing · each found in the filing text
| Total revenue · Q2-2026 | $63M | -13% y/y |
| Product revenue · Q2-2026 | $35M | -10% y/y |
| Service and subscription revenue · Q2-2026 | $26M | -15% y/y |
| Gross margin · Q2-2026 | 37.6% | |
| Product gross margin · Q2-2026 | 18.7% | |
| Service and subscription gross margin · Q2-2026 | 59.3% | |
| Net loss · Q2-2026 | $46M | +282% y/y |
| Cash and cash equivalents · 2025-09-30 | $15M | |
| Term Loan debt · 2025-09-30 | $106M | |
| Remaining performance obligations (RPO) · 2025-09-30 | $130M |
Risks flagged
Going concern doubt
“The Company is required to repay the Term Loan on August 5, 2026. At the present time, the Company does not have sufficient cash to be able to make this repayment nor does the Company expect to generate sufficient cash through operating activities to make this repayment by August 5, 2026.”
Material weaknesses in internal controls
“Management did not adequately design and implement effective control activities resulting in the identification of the following material weaknesses: Revenue Recognition... Manufacturing Inventory... Control Environment”
Shareholder litigation
“On September 4, 2025, a shareholder class action complaint was filed... It alleges certain violations of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 and SEC Rule 10b-5 related to certain disclosures made in the Company’s quarterly and annual reports regarding its financial reporting for the third quarter of the Company’s fiscal year 2025 ” · word for word
High leverage and debt maturity
“Term Loan $106,086... The Company is required to repay the Term Loan on August 5, 2026.”
13 Nov 20258-K · 2.02Quantum Corp reported Q2 FY2026 revenue of $62.7M at high-end of guidance, GAAP net loss $46.5M, non-GAAP adjusted EBITDA positive $0.5M. Revenue down 12.7% YoY. Gross margin expanded 230bps sequentially. Guidance for Q3: revenue ~$67M, adjearningsopen
Figures in the filing · each found in the filing text
| Revenue · Q2-2026 | $63M | -13% y/y |
| GAAP gross profit · Q2-2026 | $24M | -23% y/y |
| GAAP gross margin · Q2-2026 | 37.6% | |
| Non-GAAP adjusted EBITDA · Q2-2026 | $500000.00 | -55% y/y |
| GAAP net loss · Q2-2026 | $47M | +281% y/y |
| Non-GAAP adjusted net loss · Q2-2026 | $7M | -4% y/y |
| Cash and cash equivalents · 2025-09-30 | $15M | -10% y/y |
| Term loan debt · 2025-09-30 | $106M | +1% y/y |
Guidance
Q3 FY2026: Revenue $67M ±$2M; Non-GAAP adj. opEx $25M ±$2M; Non-GAAP adj. net loss per share ($0.51) ±$0.10; Non-GAAP adj. EBITDA positive $1M ±$1M
Guidance implies modest sequential revenue growth and continued cost discipline; management expresses optimism about sales refresh and restructuring progress
Risks flagged
High debt burden and cash burn; debt exchange proposed to improve balance sheet
“Outstanding term loan debt $106.1M vs cash $15.3M; $25.4M non-cash loss on debt extinguishment; proposed debt exchange transaction”
Revenue decline YoY; restructuring needed to stabilize
“Revenue down 12.7% YoY; restructuring expenses $3.5M; GAAP net loss widened to $46.5M”
31 Oct 2025DEF 14AProxy statement discloses new CEO, board appointments, and a major debt restructuring proposal with activist involvement.open
Risks flagged
Going concern risk if debt exchange not approved
“our ability to continue as a going concern would be in doubt if the proposal to approve the Debt Exchange is not approved by shareholders and we subsequently breach a covenant under the Term Loan Credit Agreement.”
Dilution risk from convertible notes and warrant
“the shares issuable upon full conversion of the Convertible Notes would represent approximately 29.4% of our issued and outstanding common stock immediately after giving effect to the conversion.” · word for word
Potential change of control risk
“Dialectic could potentially beneficially own more than 50% of our then issued and outstanding shares of common stock upon full exercise and conversion of such securities.” · word for word
28 Oct 20258-K · 2.02Quantum Corp reports preliminary FQ2 2026 revenue ~$62.5M at high-end of guidance, GAAP gross margin ~37.5%, non-GAAP opEx ~$25M favorable to guidance. Full results expected mid-November.earningsopen
Figures in the filing · each found in the filing text
| Revenue · Q2-2026 | $63M | |
| GAAP gross margin · Q2-2026 | 37.5% | |
| GAAP operating expenses · Q2-2026 | $32M | |
| Non-GAAP adjusted operating expenses · Q2-2026 | $25M |
Risks flagged
Preliminary results subject to change; full close and auditor review pending.
“The results reported in this press release are preliminary and unaudited, and are subject to change.” · word for word
QUANTUM CORP /DE/ — questions
- What did QUANTUM CORP /DE/ file recently?
- 22 SEC filings in the last 12 months. Latest: 8-K on 2026-10-09 — CFO terminated effective immediately; CAO appointed as Principal Financial Officer. Board committee changes also noted. No operational disruption expected.
Every figure on this page comes from QUANTUM CORP /DE/'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.