OPTICAL CABLE CORP

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

Form 10-K

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended October 31, 2025

Commission File Number 0-27022

OPTICAL CABLE CORPORATION

(Exact name of the registrant as specified in its charter)

(540)265-0690

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ☐No ☒

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934. Yes ☐No ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. (1)Yes ☒ No ☐ (2) Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. (See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act).

Large Accelerated Filer ☐ Accelerated Filer ☐Non-accelerated Filer ☒ Smaller Reporting Company☒

Emerging Growth Company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.☐

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. Yes☐ No ☒

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Securities Exchange Act of 1934). Yes☐ No ☒

The aggregate market value of the registrant’s Common Stock, no par value, held by non-affiliates of the registrant (without admitting any person whose shares are not included in determining such value is an affiliate) as of April 30, 2025, the last business day of the Company’s most recent second quarter was $18,675,056 based upon the closing price of these shares as reported by the Nasdaq Global Market on April 30, 2025.

As of December 10, 2025, the Company had outstanding 8,870,070 common shares.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Company’s Annual Report filed as Exhibit 13.1 to this report on Form 10-K are incorporated by reference in Part II of this Form 10-K Report: “Corporate Information,” “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” “Consolidated Financial Statements,” “Notes to Consolidated Financial Statements,” and “Report of Independent Registered Public Accounting Firm.” In addition, portions of the Company’s Proxy Statement for the 2026 Annual Meeting of Shareholders are incorporated by reference in Part III of this Form 10-K Report: “Election of Directors,” “Beneficial Ownership of Securities”, “Compensation of Executive Officers,” “Compensation of Directors,” “Delinquent Section 16(a) Reports” (if applicable), “Code of Ethics,” “Executive Compensation,” “Equity Compensation Plan Information,” “Certain Relationships and Related Transactions,” “Independent Registered Public Accounting Firm,” and “Audit Committee Pre-approval of Audit and Permissible Non-audit Services of Independent Registered Public Accounting Firm.”