$NPKI 4/A SEC Filings

Filed On	Filing
21 Jan 2026	Form 4/A: Fruge Mary Celeste, VP, General Counsel Received 17,274 shares by exercise or conversion
26 May 2023	Form 4/A: Larson Roderick A., Director Received 32,134 shares as a grant or award
25 May 2023	Form 4/A: Young Donald Win, Director Received 32,134 shares as a grant or award
25 May 2023	Form 4/A: Robeson Rose M, Director Received 39,846 shares as a grant or award
25 May 2023	Form 4/A: Minge John C, Director Received 32,134 shares as a grant or award
25 May 2023	Form 4/A: Meer Claudia Michel, Director Received 32,134 shares as a grant or award
25 May 2023	Form 4/A: Lewis Michael A, Director Received 32,134 shares as a grant or award
24 May 2022	Form 4/A: Piontek Gregg, Senior Vice President and CFO Granted 131,371 Restricted Stock Units
24 May 2022	Form 4/A: Paterson David A, VP & President, Fluids Systems Granted 91,860 Restricted Stock Units
24 May 2022	Form 4/A: Lanigan Matthew, Director Granted 325,954 Restricted Stock Units
24 May 2022	Form 4/A: Earle Edward Chipman, VP, General Counsel, CAO Granted 121,422 Restricted Stock Units
24 May 2022	Form 4/A: Briggs Lori, VP & President, Industrial Granted 79,189 Restricted Stock Units
07 Mar 2019	Form 4/A: White Douglas L, Controller, CAO, PAO Received 770 shares as a grant or award ($6.13K)
07 May 2018	Form 4/A: Anderson David C, Director Sold 20,000 shares ($205K)
22 Nov 2011	Form 4/A: Anderson David C, Director Received 2,000 shares by exercise or conversion ($10.2K)
25 Mar 2011	Form 4/A: Howes Paul L, Director Gave up 12,422 shares to cover exercise price or tax ($95K)
17 Jul 2007	Form 4/A: Finley G Stephen, Director Holds 10,000 shares of Common Stock
12 Dec 2006	Form 4/A: Box Jerry, Director Bought 10,000 shares ($66.1K)
05 Apr 2006	Form 4/A: Tucei F Walker Jr, Director Granted 10,000 Stock Options (right to buy)
05 Apr 2006	Form 4/A: Stull Roger, Director Granted 10,000 Stock Options (right to buy)

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