Machine signal
Active cluster sell — 3 distinct insiders, $203.7K, window ends Sep 9, 2026.
Figures computed from official regulatory filings — .
Analysttarget 20.33 USD (+72%) · consensus 5/5 · 3 buy · 0 hold · 0 sell
Ownershipinsiders 4.6% · institutions 94.38% · short 3.4% of float
In USD · as of Oct 5, 2026
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NPK International Inc., a temporary worksite access solutions company, manufactures, sells, and rents recyclable composite matting products in the United States and United Kingdom. The company engages in the installation and rental of matting systems, and 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. It also offers recyclable composite mats to customers worldwide; and access road construction, site planning and preparation, environmental protection, erosion control, and site restoration services. The company was formerly known as Newpark Resources, Inc. and changed its name to NPK International Inc. in December 2024. The company was founded in 1932 and is headquartered in The Woodlands, Texas..
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
73 buys377 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Barton III Alvin James | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Warren Matthew James | Sell | $40.1K | SEC |
| ROBESON ROSE M | Sell | $134.9K | SEC |
| Lewis Michael A | Sell | $28.7K | SEC |
| Pederson Kristen J. | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Briggs Lori | Sell | $122.8K | SEC |
| LANIGAN MATTHEW | Sell | $2.4M | Unusual size | SEC |
| Piontek Greggtrack record | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| LANIGAN MATTHEW | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Piontek Greggtrack record | Other | $227.4K | Unusual size | SEC |
| Briggs Lori | Other | $97K | Unusual size | SEC |
| Fruge Mary Celeste | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Briggs Lori | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| LANIGAN MATTHEW | Other | $318.1K | SEC |
| LANIGAN MATTHEW | Other | $564.1K | Unusual size | SEC |
| Fruge Mary Celeste | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Piontek Greggtrack record | Other | $128.2K | SEC |
| Piontek Greggtrack record | Other | $160.9K | SEC |
| Fruge Mary Celeste | Other | $54.9K | SEC |
| Briggs Lori | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Fruge Mary Celeste | Other | $97.3K | Unusual size | SEC |
| LANIGAN MATTHEW | Other | $399.2K | Unusual size | SEC |
| Fruge Mary Celeste | Other | $74.7K | SEC |
| Briggs Lori | Sell | $152.3K | Unusual size | SEC |
| Briggs Lori | Other | $77.3K | SEC |