Other Information
−Removed: 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 March 31, 2025.
−Removed: (Title) Type of Trading Arrangement Date of Adoption
−Removed: Expiration Date of Trading Arrangement
−Removed: Aggregate Number of Securities to Be Purchased or Sold
−Removed: Rule 10b5-1 Trading Arrangement March 6, 2025 Until January 30, 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.
−Removed: Sale of 11,250 shares of common stock
−Removed: (Chair, Chief Executive Officer and President)
−Removed: Rule 10b5-1 Trading Arrangement March 10, 2025 Until December 31, 2025 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.
−Removed: Sale of 3,500 shares of common stock
−Removed: (Corporate Vice President and President, Space Systems)
−Removed: Rule 10b5-1 Trading Arrangement February 26, 2025 Until February 11, 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.
−Removed: Gift of 616 shares of common stock
−Removed: Sale of 2,187 shares of common stock
−Removed: (Corporate Vice President and President, Aeronautics Systems)
−Removed: Rule 10b5-1 Trading Arrangement February 11, 2025 Until February 4, 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.
−Removed: Sale of 991.8 shares of common stock
−Removed: Sale of shares to be received upon payout of 2023 RSRs
−Removed: (Corporate Vice President and President, Mission Systems)
−Removed: Rule 10b5-1 Trading Arrangement February 28, 2025 Until March 6, 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.
−Removed: Sale of 779 shares of common stock
−Removed: Sale of shares to be received upon payout of 2023 RPSRs (1) and RSRs
−Removed: (Corporate Vice President and General Counsel)
−Removed: (1) The aggregate number of shares to be sold will depend, in part, on future company performance.
+Added: During the quarter ended June 30, 2025 , none of our directors or officers (as defined in Rule 16a-1(f) of the Exchange Act) adopted or terminated a Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement, as those terms are defined in Item 408 of Regulation S-K.
NORTHROP GRUMMAN CORPORATION
−Removed: 202 5 Restricted Stock Rights Grant Agreement Specifying Terms and Conditions Applicable to 202 5 Restricted Stock Rights Granted under the 20 24 Long-Term Incentive Stock Plan
−Removed: 202 5 Restricted Performance Stock Rights Grant Agreement Specifying Terms and Conditions Applicable to 202 5 Restricted Performance Stock Rights Granted under the 20 2 4 Long-Term Incentive Stock Plan
−Removed: Severance Plan for Elected and Appointed Officers of Northrop Grumman Corporation, as amended and restated effective F ebruary 18, 2025
−Removed: G ro up Personal Excess Liability Policy, effective as of January 1, 2025
+Added: Thirteenth Supplemental Indenture, dated as of May 29 , 202 5 , between Northrop Grumman Corporation and The Bank of New York Mellon, as successor to JPMorgan Chase Bank, Trustee, to Indenture dated as of November 21, 2001 (incorporated by reference to Exhibit 4.1 to Form 8-K filed May 29 , 202 5 , File No.
+Added: Form of 4.650 % Senior Note due 20 30 (included in Exhibit 4.1 ) (incorporated by reference to Exhibit 4.2 to Form 8-K filed May 29, 2025, File No.
+Added: Form of 5.250 % Senior Note due 20 35 (included in Exhibit 4.1) (incorporated by reference to Exhibit 4.3 to Form 8-K filed May 29, 2025, File No.
+Added: Non-Employee Director Compensation Term Sheet, effective May 21 , 202 5
*15 Letter from Independent Registered Public Accounting Firm
7 unchanged sentences
Crews pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
−Removed: *101 Northrop Grumman Corporation Quarterly Report on Form 10-Q for the quarter ended March 31, 2025, formatted as inline XBRL (Extensible Business Reporting Language):
+Added: *101 Northrop Grumman Corporation Quarterly Report on Form 10-Q for the quarter ended June 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.
11 unchanged sentences
(Principal Accounting Officer)
−Removed: April 21, 2025
+Added: July 21, 2025
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.