$NPK SEC Filings

Filed On	Filing
14 Aug 2026	FORM 10-Q
14 Aug 2026	8-K: Other Events
03 Aug 2026	8-K: Results of Operations and Financial Condition
16 Jun 2026	8-K: Other Events
15 Jun 2026	SCHEDULE 13D/A
10 Jun 2026	144
28 May 2026	FORM SD
27 May 2026	Form 3: Straw Shane Allen, VP - Engineering Holds 73 shares of Common stock $1.00 par value
21 May 2026	8-K: Amendments to Articles/Bylaws; Change in Fiscal Year; Submission of Matters to a Vote of Security Holders +1 more
15 May 2026	FORM 10-Q
12 May 2026	SCHEDULE 13G
05 May 2026	8-K: Results of Operations and Financial Condition
04 May 2026	Form 4: Morgan Jeffery Alan, VP-ENGINEERING Gave up 349 shares to cover exercise price or tax ($48.8K)
14 Apr 2026	ARS
14 Apr 2026	Proxy statement: annual meeting on May 19, 2026 say-on-pay vote
27 Mar 2026	SCHEDULE 13G/A
27 Mar 2026	8-K: Other Events
18 Mar 2026	144
18 Mar 2026	Form 4: Peuse David J, CFO & TREASURER Sold 500 shares ($70.1K)
16 Mar 2026	Form 4: Frederick Douglas J, Director Gave up 36 shares to cover exercise price or tax ($4.74K)

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