NORTHROP GRUMMAN CORP /DE/ 10-Q

Item 5. Other Information Consistent with Item 408 of Regulation S-K, the following table reflects Rule 10b5-1 trading arrangements and non-Rule 10b5-1 trading arrangements (as defined in Item 408) entered into by any director or officer (as defined in Rule 16a-1(f) of the Exchange Act) during the quarter ended September 30, 2025. Name (Title) Type of Trading Arrangement Date of Adoption Expiration Date of Trading Arrangement Aggregate Number of Securities to Be Purchased or Sold Kathy J. Warden Rule 10b5-1 Trading Arrangement September 2, 2025 February 2, 2026 or such earlier date upon the completion of all trades under the plan or the occurrence of such other termination events as specified in the plan. Sale of 10,000 shares of common stock (Chair, Chief Executive Officer and President) Mark A. Welsh III Rule 10b5-1 Trading Arrangement August 23, 2025 August 7, 2026 or such earlier date upon the completion of all trades under the plan or the occurrence of such other termination events as specified in the plan. Sale of 382 shares of common stock (Director) -39- Table of Contents NORTHROP GRUMMAN CORPORATION Item 6. Exhibits 10.1 Credit Agreement, dated as of September 2, 2025, among Northrop Grumman Corporation, the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent (incorporated by reference to Exhibit 10.1 to Form 8-K filed September 2, 2025, File No. 001-16411) *15 Letter from Independent Registered Public Accounting Firm *31.1 Certification of Kathy J. Warden pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 *31.2 Certification of Kenneth B. Crews pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 **32.1 Certification of Kathy J. Warden pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 **32.2 Certification of Kenneth B. Crews pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 *101 Northrop Grumman Corporation Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, formatted as inline XBRL (Extensible Business Reporting Language): (i) the Cover Page, (ii) Condensed Consolidated Statements of Earnings and Comprehensive Income, (iii) Condensed Consolidated Statements of Financial Position, (iv) Condensed Consolidated Statements of Cash Flows, (v) Condensed Consolidated Statements of Changes in Shareholders’ Equity, (vi) Notes to Condensed Consolidated Financial Statements, and (vii) Other Information. The instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. *104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) * Filed with this report ** Furnished with this report -40- Table of Contents NORTHROP GRUMMAN CORPORATION 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. NORTHROP GRUMMAN CORPORATION (Registrant) By: /s/ Michael A. Hardesty Michael A. Hardesty Corporate Vice President, Controller and Chief Accounting Officer (Principal Accounting Officer) Date: October 20, 2025 -41-