UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended October 31, 2021 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission File number 1-8777 VIRCO MFG. CORPORATION (Exact Name of Registrant as Specified in its Charter) Delaware 95-1613718 (State or Other Jurisdiction of Inco ...