greeksoup/ stock research
Stock research / United States / NPKI / Planned sales

NPK International Inc. planned insider sales

In the last twelve months insiders at NPK International Inc. filed 10 Form 144 notices of planned sales, 394,985 shares worth $5.6 million at the time of filing, from 7 sellers. The latest, filed 9 September 2026: Matthew Warren (officer), 2,991 shares worth $40,378, planned for around 9 September 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
9 September 2026Matthew WarrenOfficer2,991$40,3789 September 20262,991 shares from 9 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
27 August 2026Robeson Rose MDirector10,000$134,91727 August 202610,000 shares from 27 August 2026UBS Financial Services Inc.Restricted Stock UnitsForm 144
17 August 2026Michael LewisDirector4,026$57,25017 August 20262,013 shares from 17 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
8 June 2026Lori BriggsOfficer8,325$118,8818 June 20268,325 shares from 8 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
3 June 2026Matthew LaniganDirector, Officer167,375$2.4 million3 June 2026167,375 shares from 3 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
2 June 2026Lori BriggsOfficer10,446$149,4822 June 202610,446 shares from 2 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
15 May 2026Michael LewisDirector2,013$31,62415 May 20262,013 shares from 15 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
6 March 2026Mary C FrugeOfficer12,193$168,5076 March 202612,193 shares from 6 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
4 March 2026Gregg PiontekOfficer173,590$2.4 million4 March 2026173,590 shares from 4 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
24 November 2025Michael LewisDirector4,026$46,38024 November 20252,013 shares from 24 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?