NPK International Inc. (NPKI)
$13.16-$0.39 (-2.88%) Today
Matthew Lanigan - Officer
Gregg Piontek - OfficerGregg Piontek - OfficerGregg Piontek - OfficerNPK International Inc is a temporary worksite access solutions company that manufactures, sells, and rents recyclable composite matting products, along with a full suite of services, including planning, logistics, and site restoration. The company generates majority of revenue from the rental of recyclable composite matting systems, along with related site construction and services to customers in various markets including power transmission, oil and natural gas exploration and production, pipeline, renewable energy, petrochemical, construction and other industries within the United States and United Kingdom. It generates maximum revenue from United States.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 4 | 188,159 | $2.72M |
| Grant or award | 1 | 6,614 | |
| Option exercise | 8 | 364,362 | |
| Tax withholding / forfeiture | 12 | 163,241 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
37 Form 4 filings on record, the earliest from Dec 17, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Matthew Lanigan - Officer | Option exercise | Common Stock | 1,000 | $4.32 | $4K | |
| Matthew Lanigan - Officer | Open-market sale | Common Stock | 1,000 | $10.38 | $10K | |
| Matthew Lanigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 1,000 | $10.38 | $10K | |
| Michael A. Lewis - Director | Open-market sale | Common Stock | 2,013 | $10.33 | $21K | |
| Matthew Lanigan - Officer | Option exercise | Common Stock | 68,896 | $4.32 | $298K | |
| Matthew Lanigan - Officer | Open-market sale | Common Stock | 68,896 | $10.34 | $713K | |
| Matthew Lanigan - Officer | Option exercise | Non-Qualified Stock Option (right to buy) | 68,896 | $10.34 | $713K | |
| Lori Briggs - Officer | Open-market sale | Common Stock | 8,005 | $9.51 | $76K | |
| Lori Briggs - Officer | Open-market sale | Common Stock | 8,005 | $8.57 | $69K | |
| Rose M. Robeson - Director | Grant or award | Common Stock | 18,720 | $0.00 | - | |
| Douglas L. White - Officer | Grant or award | Common Stock | 722 | $6.58 | $5K |
This is as far as the anonymous view goes. Create a free account for all 37 NPKI filings on record.
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| ROBESON ROSE M | Director | 10,000 | $135K | View on EDGAR | |
| MICHAEL LEWIS | Director | 4,026 | $57K | View on EDGAR | |
| - | - | - | - | View on EDGAR |
NPK International Inc. (NPKI) had 8 insider filings in the last 90 days, with the most recent on 2026-08-19. The full record for NPKI runs to 37 Form 4 filings, the earliest from 2024-12-17. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of NPKI were filed in the last 90 days.
4 insider sales of NPKI were filed in the last 90 days, totaling $2.72M.
This page tracks NPKI Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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