secwatch.observer — SEC 8-K summary
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Issuer:     QUANTUM CORP /DE/ (QMCO)
CIK:        0000709283
Form:       8-K
Filed at:   2026-10-09T20:46:35+00:00
Accession:  0001628280-26-065547
Event type: leadership
Sentiment:  neutral
Materiality: 0.75
Item codes: 2.02, 5.02, 8.01
LLM model:  deepseek-v4.1-flash:cloud@v2

Quantum expects to meet or exceed prior guidance; CFO William H. White terminated, Hiral A. Patel named PFO
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- Quantum expects to meet or exceed previously issued guidance for the fiscal quarter ended Sept. 30, 2026, subject to completion of financial closing and auditor review.
- William H. White was terminated as CFO and Principal Financial Officer effective Oct. 9, 2026; Quantum expects no disruption to current operations.
- Hiral A. Patel, 38, was appointed Principal Financial Officer; she has been Chief Accounting Officer since Sept. 1, 2026, after roles at Pep Boys and IKEA Retail.
- On Oct. 9, 2026, the board appointed Yue Zhou White to the Audit Committee and Donald J. Jaworski to the Nominating Committee; James C. Clancy resigned those seats on Sept. 28.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/709283/000162828026065547/0001628280-26-065547-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/709283/000162828026065547/qtm-20261009.htm
  HTML page:      https://secwatch.observer/filing/0001628280-26-065547

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