SEC filingsOct 12, 2026 to Oct 19, 2026: insiders reported 840 purchases and sales across 212 companies.840 insider purchases and sales in 7 daysSee the filings →
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Company profile

NPKI

NPK International Inc.
NYSEIndustrials

Latest close: 10.77 USD · Oct 16, 2026 · 1 year · split-adjusted

On the price, the facts of the public record■Insider buy□Insider sell●Results filed
With an account, also○dividends▲splits◌next earningswith an account

End-of-day prices provided by Twelve Data · One close per session; the series does not update during the trading day.

Latest on record

The most recent facts, as filed.

Up to three of the most recent, checkable facts already loaded on this page, each linked to its source.

  1. Sep 14, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
  2. Sep 9, 2026Reported sale · Form 4Matthew James Warren, Chief Accounting Officer · $40.1KOpen the filing ↗
  3. Sep 9, 2026Notice of sale · Form 144MATTHEW WARREN · Officer · $40.4KOpen the filing ↗

In numbers

What this profile holds, counted.

Closes · 1 year250
SEC filings on record1,4798 flagged findings
Reported transactions (Form 4)80since Jun 2, 2023 · and 6 other holdings
Corporate events (8-K)30since Dec 4, 2020

What the record says

Description, identity and filings, each with its source.

Every block cites its source. The colour of a finding marks its category — which document, who filed it — not how much it matters.

What the company does

Newpark Resources, Inc. is a worldwide provider of value-added drilling fluids systems and composite matting systems used in oilfield and other commercial markets. Industry partners include American Petroleum Institute, Independent Petroleum Association of America - IPAA, US Chamber of Commerce et al. The company was founded in 1932 and is based in The Woodlands, Texas. In 2013, the company was awarded as one of the Top Customer Satisfaction companies in the Annual EnergyPoint Research Global Oil & Gas Industry Survey. The enterprise value of the company is $1.14 billion.

Source: Wikipedia (CC BY-SA 4.0) · copied on Sep 3, 2026 · may not reflect recent changes.

Identity

Formerly traded as NR.

SEC topics

Regulatory history

Topics detected in its SEC reports, with the original excerpt.

Each topic is assigned by a classifier over the full filing; the excerpts show where it was detected and are not always enough to verify it. Open the filing to read it in full.

  • 2026-05-01capital return (buybacks/dividends)recentOpen filing ↗
    “…stock in the open market or as otherwise determined by management, subject to certain limitations under the Credit Facility (as…”
    +1 more passage from the same document
    • “…to maintaining a strong balance sheet, prioritizing organic investment to expand our rental business while evaluating accretive…”

Original excerpts from SEC filings, untranslated. Not advice and not a prediction.

SEC record

SEC dossier

What this company has filed with the SEC, in plain language.

The 25 most recent filings (of 1,479)

Everything filed

Every SEC filing, newest first, with what it is. Below, each type with its own explanation.

  • Sep 24, 26Form 4 ↗Insider transaction
  • Sep 24, 26Form 3 ↗Insider transaction
  • Sep 14, 268-K ↗Current report · A senior executive left or was appointed
  • Sep 10, 26Form 4 ↗Insider transaction
  • Sep 9, 26Form 144 ↗Notice of proposed sale
  • Sep 8, 26Form 3 ↗Insider transaction
  • Sep 2, 268-K ↗Current report · A senior executive left or was appointed
  • Aug 31, 26Form 4 ↗Insider transaction
  • Aug 27, 26Form 144 ↗Notice of proposed sale
  • Aug 19, 26Form 4 ↗Insider transaction
  • Aug 17, 26Form 144 ↗Notice of proposed sale
  • Jul 31, 26SCHEDULE 13G ↗Passive stake · Vanguard Capital Management · 5.0% · event on Jun 30, 26
  • Jul 30, 268-K ↗Current report · Communication to the market
  • Jul 30, 2610-Q ↗Quarterly report
  • Jul 29, 26Form 4 ↗Insider transaction
  • Jul 29, 26Form 3 ↗Insider transaction
  • Jul 29, 26SCHEDULE 13G/A ↗Passive stake · BlackRock, Inc. · 8.4% · event on Jun 30, 26 · amendment
  • Jul 29, 268-K ↗Current report · Results
  • Jul 28, 268-K ↗Current report · A senior executive left or was appointed
  • Jun 9, 26Form 4 ↗Insider transaction
  • Jun 8, 26Form 144 ↗Notice of proposed sale
  • Insider transaction · 2 Form 4 filingsshow all 2hide
  • Jun 3, 26Form 144 ↗Notice of proposed sale
  • Jun 3, 26Form 4 ↗Insider transaction

1,479 filings on record, the oldest from Feb 6, 95.

Listing the 25 most recent filings of the 1,479 on record.

8-Ks, explained

Stress10Structure62Governance75
  • Governance3 senior executive changes2026show all 3hide
    • Sep 14, 26GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
    • Sep 2, 26GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
    • Jul 28, 26GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
  • Nov 24, 25StructureEntered a material agreement+3 more in the same filing8-K 1.01 ↗
  • Nov 12, 25GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
  • Aug 20, 25GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
  • Jun 23, 25StructureA material agreement was terminated+3 more in the same filing8-K 1.02 ↗
  • Mar 11, 25GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
  • Sep 17, 24StressWrite-down of assets+5 more in the same filing8-K 2.06 ↗
  • Governance3 senior executive changes2022 – 2023show all 3hide
    • May 18, 23GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
    • Apr 7, 23GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
    • Dec 2, 22GovernanceA senior executive left or was appointed+3 more in the same filing8-K 5.02 ↗
  • Dec 1, 22StructureCompleted an acquisition or disposal+2 more in the same filing8-K 2.01 ↗
  • Oct 21, 22StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
  • Governance4 senior executive changes2022show all 4hide
    • May 19, 22GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
    • Apr 4, 22GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
    • Mar 4, 22GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
    • Mar 4, 22GovernanceA senior executive left or was appointed+1 more in the same filing8-K/A 5.02 ↗
  • Feb 18, 22StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗

4 older filings not shown · The record reaches back to Apr 1, 05.

Notable in the record

Stress disclosures older than the timeline above. They are individual events from the record, not a complete timeline: there may be more between them.

  • Nov 5, 20StressListing notice (8-K 3.01)+2 more in the same filing8-K 3.01 ↗
  • Aug 3, 07StressRestructuring plan with committed costs+2 more in the same filing8-K 2.05 ↗
  • Aug 30, 06StressRestructuring plan with committed costs+2 more in the same filing8-K 2.05 ↗
  • Aug 22, 06StressA debt obligation was accelerated+3 more in the same filing8-K 2.04 ↗
  • Jul 25, 06StressA debt obligation was accelerated8-K 2.04 ↗
  • Jun 30, 06StressWrite-down of assets+4 more in the same filing8-K 2.06 ↗
  • May 24, 06StressListing notice (8-K 3.01)8-K 3.01 ↗

The full record holds 10 stress filings.

Corporate events are tracked from 2004-08-23, when the SEC renumbered 8-K items. Earlier filings use an incompatible numbering and are not classified here.

Ownership and control

Schedule 13G: short-form filing

The short form, for holders who meet specific requirements: institutional investors, passive investors without a control purpose, or exempt investors. Asset managers and index funds usually file it.

Structured 13D/G data starts 2023-12, when the SEC moved these filings to a machine-readable format. Earlier filings exist but are not parsed here.

Sale intention announced

On Sep 9, MATTHEW WARREN filed notice of intent to sell up to $40K. It is filed under a scheduled plan (10b5-1), arranged in advance.

A notice is not a sale: it may not go ahead, may happen in part, or at a different price.

After the notice, they sold $40K on Sep 9, per their Form 4. That is 100% of the shares announced so far, and the window is still open.

View notice (Form 144) ↗+2 more recent notices · 2 with a later sale

SEC record

Insider transactions

Buys and sells reported by officers, directors and major shareholders on SEC Form 4.

Buys and sells

  • Sep 9, 26Sell$40KMatthew James WarrenChief Accounting Officer↗
  • Aug 27, 26Sell$135KROSE M ROBESON↗
  • Aug 17, 26Sell$29KMichael A Lewis↗
  • Jun 8, 26Sell$123KLori BriggsVP & President, Ind. Solutions↗
  • Jun 3, 26Sell$2.4MMATTHEW LANIGANPresident & CEO↗
  • Jun 2, 26Sell$152KLori BriggsVP & President, Ind. Solutions↗
  • May 15, 26Sell$31KMichael A Lewis↗
  • Apr 9, 26Sell$226KGregg PiontekSenior Vice President and CFO↗
  • Apr 1, 26Sell$508KGregg PiontekSenior Vice President and CFO↗
  • Mar 25, 26Sell$225KGregg PiontekSenior Vice President and CFO↗
  • Mar 16, 26Sell$14KMary Celeste FrugeVP, General Counsel↗
Stock compensation, tax and giftsshow the 29 other transactionshide

Stock compensation, tax withholding, option exercises and gifts. They are listed separately and are not included in the purchase and sale totals. The type describes the transaction, not the filer's intent.

  • Sep 22, 26Compensationamount n/aIII Alvin James BartonEVP Commercial Growth & Ops.↗
  • Jul 28, 26Compensationamount n/aKristen J. Pederson↗
  • Jun 1, 26Tax$128KGregg PiontekSenior Vice President and CFO↗
  • Jun 1, 26Tax$227KGregg PiontekSenior Vice President and CFO↗
  • Jun 1, 26Tax$161KGregg PiontekSenior Vice President and CFO↗
  • Jun 1, 26Compensationamount n/aGregg PiontekSenior Vice President and CFO↗
  • Jun 1, 26Tax$318KMATTHEW LANIGANPresident & CEO↗
  • Jun 1, 26Tax$399KMATTHEW LANIGANPresident & CEO↗
  • Jun 1, 26Tax$564KMATTHEW LANIGANPresident & CEO↗
  • Jun 1, 26Compensationamount n/aMATTHEW LANIGANPresident & CEO↗
  • Jun 1, 26Tax$77KLori BriggsVP & President, Ind. Solutions↗
  • Jun 1, 26Tax$137KLori BriggsVP & President, Ind. Solutions↗
  • Jun 1, 26Tax$97KLori BriggsVP & President, Ind. Solutions↗
  • Jun 1, 26Compensationamount n/aLori BriggsVP & President, Ind. Solutions↗
  • Jun 1, 26Tax$55KMary Celeste FrugeVP, General Counsel↗
  • Jun 1, 26Tax$75KMary Celeste FrugeVP, General Counsel↗
  • Jun 1, 26Tax$97KMary Celeste FrugeVP, General Counsel↗
  • Jun 1, 26Compensationamount n/aMary Celeste FrugeVP, General Counsel↗
  • May 20, 26Compensationamount n/aROSE M ROBESON↗
  • May 20, 26Compensationamount n/aMichael A Lewis↗
  • May 20, 26Compensationamount n/aRODERICK A. LARSON↗
  • May 20, 26Compensationamount n/aJOSEPH A CUTILLO↗
  • May 20, 26Compensationamount n/aJOHN C MINGE↗
  • May 20, 26Compensationamount n/aClaudia Michel Meer↗
  • May 19, 26Compensationamount n/aGregg PiontekSenior Vice President and CFO↗
  • May 19, 26Compensationamount n/aMATTHEW LANIGANPresident & CEO↗
  • May 19, 26Compensationamount n/aLori BriggsVP & President, Ind. Solutions↗
  • May 19, 26Compensationamount n/aMary Celeste FrugeVP, General Counsel↗
  • Mar 16, 26Compensation$4KMary Celeste FrugeVP, General Counsel↗

The full record holds 208 transactions and goes back to Mar 15, 23.

Its sector and its market

NPK International Inc. among Industrials companies

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Coverage

What sits behind this page.

Where each figure comes from and how far it reaches.

Prices
End-of-day closes provided by Twelve Data. One close per session; not real time. Closes adjusted for splits.
Series quality
250 clean closes in the period.
SEC records
1,479 documents on file, from Feb 6, 1995 to Sep 24, 2026.
Company description
Wikipedia, read on Sep 3, 2026.
This page
Generated on Oct 19, 2026; refreshed through the day.

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No. It is one close per session, from the provider and with the date shown on the profile; it does not update during the trading day.

Which SEC documents appear here?

Those filed with the SEC by the company, its insiders and its major shareholders, within our coverage: periodic reports (10-K, 10-Q, 20-F), material events (8-K), proposed sale notices (Form 144), insider transactions (Form 4) and stakes above 5% (13D/13G). Each links to the original on EDGAR.

Why does a European company show no SEC records?

It depends on the company: some European issuers file a 20-F or 6-K with the SEC and others don't. The profile shows whatever is on record; when there is nothing, it says so rather than guessing why. Europe does not yet have a common filing archive like EDGAR in the United States. The EU will open its own, ESAP, in July 2027 (managers' transactions arrive in January 2028), and we plan to add it once it is available.

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