Company: NOC
Filing Date: 2025-05-27
Form Type: 424B5
Source: 0001193125-25-126289
Chunk: 55

Company: NORTHROP GRUMMAN CORP /DE/
Filing Date: 2025-05-27
Form: 424B5
Chunk 55
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 a single class, and by the holders of any one or more classes or series of preferred stock entitled to vote thereon as a separate class. Delaware Business Combination Statute. We are subject to the provisions of Section 203 of the Delaware General Corporation Law. In general, the statute prohibits a Delaware corporation that has either a class of stock listed on a national stock exchange or at least 2,000 stockholders of record from engaging in a business combination with an interested stockholder (generally, the beneficial owner of 15% or more of the corporation’s outstanding voting stock) for three years following the time the stockholder became an interested stockholder, unless, prior to that time: (1) the corporation’s board of directors approved either the business combination or the transaction that resulted in the stockholder becoming an interested stockholder, (2) at least two-thirdsof the outstanding shares not owned by that interested stockholder approve the business combination, or (3) upon becoming an interested stockholder, that stockholder owned at least 85% of the outstanding shares, excluding those held by officers, directors and some employee stock plans. A “business combination” includes a merger, asset sale, or other transaction resulting in a financial benefit, other than proportionately as a stockholder, to the interested stockholder. PLAN OF DISTRIBUTION We may sell the securities in one or more of the following ways from time to time:

| • |     | to or through underwriters or dealers; |

| • |     | directly to one or more purchasers; |

| • |     | through agents; or |

| • |     | through a combination of any of these methods of sale. |

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In addition, we may issue the securities as a dividend or distribution or in a subscription rights offering to our existing security holders. This prospectus may be used in connection with any offering of our securities through any of these methods or other methods described in the applicable prospectus supplement. We may effect the distribution of the securities from time to time in one or more transactions either:

| • |     | at a fixed price or prices which may be changed from time to time; |

| • |     | at market prices prevailing at the time of sale; |

| • |     | at prices relating to such prevailing market prices; or |

| • |     | at negotiated prices. |

Each prospectus supplement will describe the method of distribution of the securities and any applicable restrictions. The prospectus supplement relating to an offering of offered securities will set