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NPKI research notebook

Read the disclosures. Follow the relationships. Keep the dates in view.

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Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-09-07 · 8010 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-08-28 · 0000071829-26-000047 · Items 5.02,9.01

  2. 4 · Ownership change

    Report date 2026-08-27 · 0001251678-26-000005

  3. 4 · Ownership change

    Report date 2026-08-17 · 0001423238-26-000010

  4. 8-K · Current report

    Report date 2026-07-30 · 0000071829-26-000044 · Items 7.01,9.01

  5. 10-Q · Quarterly report

    Report date 2026-06-30 · 0000071829-26-000042

  6. 4 · Ownership change

    Report date 2026-07-28 · 0002096728-26-000008

  7. 8-K · Current report

    Report date 2026-07-29 · 0000071829-26-000039 · Items 2.02,9.01

  8. 8-K · Current report

    Report date 2026-07-28 · 0000071829-26-000036 · Items 5.02,9.01

  9. 4 · Ownership change

    Report date 2026-06-08 · 0001880836-26-000006

  10. 4 · Ownership change

    Report date 2026-06-03 · 0001672978-26-000006

  11. 4 · Ownership change

    Report date 2026-06-01 · 0001975485-26-000011

  12. 4 · Ownership change

    Report date 2026-06-01 · 0001880836-26-000004

  13. 4 · Ownership change

    Report date 2026-06-01 · 0001672978-26-000004

  14. 8-K · Current report

    Report date 2026-05-20 · 0000071829-26-000032 · Items 5.07,9.01

  15. 8-K · Current report

    Report date 2026-05-01 · 0000071829-26-000030 · Items 7.01,9.01

  16. 10-Q · Quarterly report

    Report date 2026-03-31 · 0000071829-26-000028

  17. 8-K · Current report

    Report date 2026-04-30 · 0000071829-26-000026 · Items 2.02,9.01

  18. DEF 14A · Proxy statement

    Report date 2026-05-20 · 0000071829-26-000017

  19. 10-K · Annual report

    Report date 2025-12-31 · 0000071829-26-000009

  20. 8-K · Current report

    Report date 2026-02-26 · 0000071829-26-000006 · Items 7.01,9.01

  21. 8-K · Current report

    Report date 2026-02-25 · 0000071829-26-000004 · Items 2.02,9.01

  22. 8-K · Current report

    Report date 2025-11-24 · 0000071829-25-000143 · Items 1.01,2.01,7.01,9.01

  23. 8-K · Current report

    Report date 2025-11-10 · 0000071829-25-000139 · Items 5.02,9.01

  24. 8-K · Current report

    Report date 2025-10-31 · 0000071829-25-000137 · Items 7.01,9.01

  25. 10-Q · Quarterly report

    Report date 2025-09-30 · 0000071829-25-000135

  26. 8-K · Current report

    Report date 2025-10-30 · 0000071829-25-000132 · Items 2.02,9.01

  27. 8-K · Current report

    Report date 2025-08-19 · 0000071829-25-000123 · Items 5.02,8.01,9.01

  28. 8-K · Current report

    Report date 2025-08-06 · 0000071829-25-000119 · Items 7.01,9.01

  29. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000071829-25-000116

  30. 8-K · Current report

    Report date 2025-08-05 · 0000071829-25-000112 · Items 2.02,9.01

  31. 8-K · Current report

    Report date 2025-06-20 · 0000071829-25-000105 · Items 1.01,1.02,2.03,9.01

  32. 8-K · Current report

    Report date 2025-05-15 · 0000071829-25-000052 · Items 5.07,9.01

  33. 8-K · Current report

    Report date 2025-05-02 · 0000071829-25-000046 · Items 7.01,9.01

  34. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000071829-25-000041

  35. 8-K · Current report

    Report date 2025-05-01 · 0000071829-25-000037 · Items 2.02,9.01

  36. DEF 14A · Proxy statement

    Report date 2025-05-15 · 0000071829-25-000030

  37. 8-K · Current report

    Report date 2025-03-10 · 0000071829-25-000017 · Items 5.02,9.01

  38. 10-K · Annual report

    Report date 2024-12-31 · 0000071829-25-000012

  39. 8-K · Current report

    Report date 2025-02-27 · 0000071829-25-000006 · Items 7.01,9.01

  40. 8-K · Current report

    Report date 2025-02-26 · 0000071829-25-000003 · Items 2.02,9.01

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-09-07 · 2026 Q2: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 0 transaction rows0PSale: 6 transaction rows6SGrant / award: 10 transaction rows10AExercise / conversion: 8 transaction rows8MTax / exercise payment: 12 transaction rows12FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

36 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-08
2026-06-09
Briggs Lori
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock8325.014.75
2026-06-03
2026-06-05
LANIGAN MATTHEW
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock167375.014.43
2026-06-02
2026-06-03
Briggs Lori
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock10446.014.58
2026-06-01
2026-06-03
Fruge Mary CelesteF · Tax / exercise payment
Disposed
Common Stock5218.014.31
2026-06-01
2026-06-03
Fruge Mary CelesteM · Exercise / conversion
Acquired
Common Stock17274.00.0
2026-06-01
2026-06-03
Fruge Mary CelesteF · Tax / exercise payment
Disposed
Common Stock3833.014.31
2026-06-01
2026-06-03
Fruge Mary CelesteF · Tax / exercise payment
Disposed
Common Stock6797.014.31
2026-06-01
2026-06-03
Fruge Mary CelesteM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
17274.00.0
2026-06-01
2026-06-03
Briggs Lori
10b5-1 checkbox reported
F · Tax / exercise payment
Disposed
Common Stock9577.014.31
2026-06-01
2026-06-03
Briggs Lori
10b5-1 checkbox reported
F · Tax / exercise payment
Disposed
Common Stock6777.014.31
2026-06-01
2026-06-03
Briggs Lori
10b5-1 checkbox reported
F · Tax / exercise payment
Disposed
Common Stock5401.014.31
2026-06-01
2026-06-03
Briggs Lori
10b5-1 checkbox reported
M · Exercise / conversion
Acquired
Common Stock24340.00.0
2026-06-01
2026-06-03
Briggs Lori
10b5-1 checkbox reported
M · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
24340.00.0
2026-06-01
2026-06-03
LANIGAN MATTHEWF · Tax / exercise payment
Disposed
Common Stock39423.014.31
2026-06-01
2026-06-03
LANIGAN MATTHEWM · Exercise / conversion
Acquired
Common Stock100188.00.0
2026-06-01
2026-06-03
LANIGAN MATTHEWF · Tax / exercise payment
Disposed
Common Stock22232.014.31
2026-06-01
2026-06-03
LANIGAN MATTHEWF · Tax / exercise payment
Disposed
Common Stock27894.014.31
2026-06-01
2026-06-03
LANIGAN MATTHEWM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
100188.00.0
2026-06-01
2026-06-03
Piontek GreggF · Tax / exercise payment
Disposed
Common Stock15889.014.31
2026-06-01
2026-06-03
Piontek GreggM · Exercise / conversion
Acquired
Common Stock40379.00.0
2026-06-01
2026-06-03
Piontek GreggF · Tax / exercise payment
Disposed
Common Stock8959.014.31
2026-06-01
2026-06-03
Piontek GreggF · Tax / exercise payment
Disposed
Common Stock11241.014.31
2026-06-01
2026-06-03
Piontek GreggM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
40379.00.0
2026-05-20
2026-05-21
Meer Claudia MichelA · Grant / award
Acquired
Common Stock8558.00.0
2026-05-20
2026-05-21
MINGE JOHN CA · Grant / award
Acquired
Common Stock8558.00.0
2026-05-20
2026-05-21
CUTILLO JOSEPH AA · Grant / award
Acquired
Common Stock8558.00.0
2026-05-20
2026-05-21
LARSON RODERICK A.A · Grant / award
Acquired
Common Stock8558.00.0
2026-05-20
2026-05-21
Lewis Michael AA · Grant / award
Acquired
Common Stock8558.00.0
2026-05-20
2026-05-21
ROBESON ROSE MA · Grant / award
Acquired
Common Stock10862.00.0
2026-05-19
2026-05-21
Fruge Mary CelesteA · Grant / award
Acquired
Common Stock18002.00.0
2026-05-19
2026-05-21
Briggs LoriA · Grant / award
Acquired
Common Stock20838.00.0
2026-05-19
2026-05-21
LANIGAN MATTHEWA · Grant / award
Acquired
Common Stock85771.00.0
2026-05-19
2026-05-21
Piontek GreggA · Grant / award
Acquired
Common Stock34566.00.0
2026-05-15
2026-05-19
Lewis Michael A
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock2013.015.3
2026-04-09
2026-04-10
Piontek Gregg
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock15000.015.05
2026-04-01
2026-04-03
Piontek Gregg
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock35000.014.51

Identity & relationships

Wikidata structured data · retrieved 2026-09-07 · 1611 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0000071829NPK International Inc.

No parent relationship is available in this import; this is not proof of independence.

Legal Entity Identifier
54930073OHWDQW4DJN26
GLEIF legal name
NPK INTERNATIONAL INC.
Entity / LEI registration status
ACTIVE / LAPSED
Reference data updated
2026-06-19T20:57:12Z

direct-parent: no parent LEI supplied

ultimate-parent: no parent LEI supplied

GLEIF legal entity reference data · retrieved 2026-09-07 · 1177 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Newpark Resources · alias · wikidata
  • NEWPARK RESOURCES INC · former SEC name · 1995-08-14 to 2024-12-03
Explore headquarters map ↗

Revenue in constant purchasing power

USD revenue expressed in 2026-07 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

Year endedReported USD revenueCPI-adjusted USD revenue
2024-12-31$217.49M$231.51M
2023-12-31$207.65M$227.54M
2022-12-31$192.99M$220.17M
2021-12-31$614.78M$757.47M
2020-12-31$492.62M$635.58M
2019-12-31$820.12M$1.07B
2018-12-31$946.55M$1.26B
2017-12-31$747.76M$1.02B

Bureau of Labor Statistics · retrieved 2026-09-07 · 9 selected series; gaps remain missing

Explore the CPI history ↗