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NATIONAL PRESTO INDUSTRIES INC

For the period ended Dec 31, 2025. Filed Mar 13, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 13, 2026

NPK$146.54+2.8%Stored close · as of Nov 9, 2026

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Contents

Item 9B – Other Information



Insider Trading Arrangement

During the year ended* December 31, 2025,the following director or officer (as defined in Rule16a*-1(f) under the Securities Exchange Act of1934) of the Company adopted a “non-Rule10b5-1 trading arrangement” as defined in Regulation S-K Item408:

On* November 10, 2025,Randy Lieble, adirector of the Company, adopted a written trading plan that is intended to satisfy the affirmative defense conditions of Rule10b5*-1(c) under the Exchange Act (“Lieble10b5-1 Plan”). The Lieble10b5-1 Plan provides for the sale of up to 2,417 shares of National Presto common stock between* February 17, 2026and February 17, 2027,so long as the sale price of the common stock is higher than a minimum threshold price specified in the Lieble Rule10b5*-1 Plan.

No other officers or directors, as defined in Rule16a-1(f), adopted or terminated a “Rule10b5-1 trading arrangement” or a “non-Rule10b5-1 trading arrangement,” as defined in Regulation S-K Item408, during the fiscal year ended* December 31, 2025.*

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