AI brief of an SEC Form 8-K · QUANTUM CORP /DE/ (QMCO)

Quantum Corp ends CFO William White's role; expects quarter to meet or exceed guidance

Mixed Impact 4 of 5 leadership Written later

Quantum Corporation terminated Chief Financial Officer William H. White effective October 9, 2026, and appointed Chief Accounting Officer Hiral A. Patel as Principal Financial Officer the same day. The company said it is early in its closing process for the quarter ended September 30, 2026, but expects to meet or exceed its previously issued guidance, a view subject to completion of closing procedures and audit review. The filing does not state a reason for the termination.

Key points

  • William H. White terminated as CFO and principal financial officer effective October 9, 2026; the company says no disruption to operations is expected
  • Hiral A. Patel, Chief Accounting Officer since September 1, 2026, appointed Principal Financial Officer effective October 9, 2026
  • Company expects to meet or exceed guidance for the quarter ended September 30, 2026, but results remain subject to closing and auditor review
  • Company expects to timely file its Form 10-Q for the quarter ended September 30, 2026

The filing

CompanyQUANTUM CORP /DE/ (QMCO)
Form8-K, current report
Filed with the SECOct 9, 2026, 4:46 PM ET
Accession number0001628280-26-065547

Items reported: 5.02 Director / Officer Change8.01 Other Events

Read the filing on SEC.gov ↗

Written by AI on Nov 9, 2026, 8:51 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on October 09, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.