NORTECH SYSTEMS INC 10-Q

ITEM 5. OTHER INFORMATION None. ITEM 6. EXHIBITS Exhibits 31.1* Certification of the Chief Executive Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a), promulgated under the Securities Exchange Act of 1934, as amended. 31.2* Certification of the Chief Financial Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a), promulgated under the Securities Exchange Act of 1934, as amended. 32* Certification of the Chief Executive Officer and Chief Financial Officer, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 101* Financial statements from the quarterly report on Form 10-Q for the quarter ended June 30, 2026, formatted in XBRL: (i) Condensed Consolidated Balance Sheets, (ii) Condensed Consolidated Statements of Operations and Comprehensive Income (Loss), (iii) Condensed Consolidated Statements of Cash Flows, (iv) Condensed Consolidated Statements of Shareholders’ Equity, and (v) the Notes to Condensed Consolidated Financial Statements. 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101). *Filed herewith 24 Signatures Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Nortech Systems Incorporated and Subsidiaries Date: August 12, 2026 by /s/ Jay D. Miller Jay D. Miller Chief Executive Officer and President Nortech Systems Incorporated Date: August 12, 2026 by /s/ Andrew D. C. LaFrence Andrew D. C. LaFrence Chief Financial Officer and Senior Vice President of Finance Nortech Systems Incorporated 25