Randy F. Lieble, Director at NATIONAL PRESTO INDUSTRIES INC (NPK), sold 2,417 shares at $143.97 ($348K) on 2026-03-11, disclosed to the SEC on 2026-03-11.
Open-market sale of $348k NPK by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.