Gregg Piontek sold 108,590 shares of NPKI on 4 March. They now own 884,326 NPKI shares, or a 11% holding decrease.
Matthew Lanigan sold 68,896 shares of NPKI on 22 August. They now own 1,095,913 NPKI shares, or a 6% holding decrease.
Joseph A Cutillo bought 12,500 shares of NPKI on 8 May. They now own 12,500 NPKI shares, or a Infinity% holding increase.
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