A business in context

CMP research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-20 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-10-15 · 0001227654-26-000081

  2. 4 · Ownership change

    Report date 2026-10-15 · 0001227654-26-000080

  3. 4 · Ownership change

    Report date 2026-10-15 · 0001227654-26-000079

  4. 4 · Ownership change

    Report date 2026-10-15 · 0001227654-26-000078

  5. 4 · Ownership change

    Report date 2026-10-09 · 0001227654-26-000077

  6. 8-K · Current report

    Report date 2026-10-09 · 0001227654-26-000075 · Items 5.02,8.01

  7. 4 · Ownership change

    Report date 2026-09-30 · 0002108024-26-000011

  8. 4 · Ownership change

    Report date 2026-09-30 · 0001227654-26-000066

  9. 4 · Ownership change

    Report date 2026-09-30 · 0001227654-26-000065

  10. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001227654-26-000054

  11. 8-K · Current report

    Report date 2026-08-03 · 0001227654-26-000051 · Items 5.02,9.01

  12. 8-K · Current report

    Report date 2026-08-05 · 0001227654-26-000050 · Items 2.02,9.01

  13. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001227654-26-000025

  14. 8-K · Current report

    Report date 2026-05-06 · 0001227654-26-000023 · Items 2.02,9.01

  15. 8-K · Current report

    Report date 2026-03-20 · 0001227654-26-000018 · Items 7.01,8.01,9.01

  16. 8-K · Current report

    Report date 2026-03-05 · 0001227654-26-000015 · Items 5.07

  17. 10-Q · Quarterly report

    Report date 2025-12-31 · 0001227654-26-000012

  18. 8-K · Current report

    Report date 2026-02-04 · 0001227654-26-000008 · Items 2.02,9.01

  19. DEF 14A · Proxy statement

    Report date 2026-03-05 · 0001308179-26-000019

  20. 8-K · Current report

    Report date 2025-12-10 · 0001227654-25-000201 · Items 8.01,9.01

  21. 8-K · Current report

    Report date 2025-12-18 · 0001104659-25-122646 · Items 5.02,7.01,9.01

  22. 10-K · Annual report

    Report date 2025-09-30 · 0001227654-25-000199

  23. 8-K · Current report

    Report date 2025-12-08 · 0001227654-25-000196 · Items 2.02,9.01

  24. 8-K · Current report

    Report date 2025-08-15 · 0001227654-25-000155 · Items 8.01,9.01

  25. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001227654-25-000146

  26. 8-K · Current report

    Report date 2025-08-11 · 0001227654-25-000145 · Items 2.02,9.01

  27. 8-K · Current report

    Report date 2025-06-26 · 0001227654-25-000121 · Items 5.02

  28. 8-K · Current report

    Report date 2025-06-16 · 0001227654-25-000103 · Items 1.01,2.03,7.01,9.01

  29. 8-K · Current report

    Report date 2025-06-03 · 0001227654-25-000098 · Items 7.01,9.01

  30. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001227654-25-000091

  31. 8-K · Current report

    Report date 2025-05-07 · 0001227654-25-000088 · Items 2.02,9.01

  32. 8-K · Current report

    Report date 2025-03-25 · 0001104659-25-027807 · Items 5.02,7.01,9.01

  33. 8-K · Current report

    Report date 2025-03-06 · 0001227654-25-000065 · Items 5.07

  34. 10-Q · Quarterly report

    Report date 2024-12-31 · 0001227654-25-000033

  35. 8-K · Current report

    Report date 2025-02-10 · 0001227654-25-000032 · Items 2.02,9.01

  36. 8-K · Current report

    Report date 2025-01-27 · 0001104659-25-006529 · Items 5.02,9.01

  37. DEF 14A · Proxy statement

    Report date 2025-03-06 · 0001308179-25-000013

  38. 10-K · Annual report

    Report date 2024-09-30 · 0001227654-24-000230

  39. 8-K · Current report

    Report date 2024-12-16 · 0001227654-24-000228 · Items 2.02,9.01

  40. SC 13G/A · Ownership disclosure

    0000932471-24-000990

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-15 · 2026 Q3: 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: 0 transaction rows0SGrant / award: 3 transaction rows3AExercise / conversion: 4 transaction rows4MTax / exercise payment: 2 transaction rows2FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

9 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-11
2026-09-15
Tills AmyF · Tax / exercise payment
Disposed
Common Stock2142.024.8
2026-09-11
2026-09-15
Tills AmyM · Exercise / conversion
Acquired
Common Stock7298.00.0
2026-09-11
2026-09-15
Tills AmyM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
7298.00.0
2026-07-28
2026-07-29
Ward AshleyM · Exercise / conversion
Acquired
Common Stock8333.00.0
2026-07-28
2026-07-29
Ward AshleyF · Tax / exercise payment
Disposed
Common Stock2443.029.69
2026-07-28
2026-07-29
Ward AshleyM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
8333.00.0
2026-06-30
2026-07-01
Reece Joseph EA · Grant / award
Acquired
Common Stock1205.00.0
2026-06-30
2026-07-01
DEALY RICHARD PA · Grant / award
Acquired
Common Stock944.00.0
2026-06-30
2026-07-01
Safran DavidA · Grant / award
Acquired
Common Stock804.00.0

Identity & relationships

Wikidata structured data · retrieved 2026-10-15 · 1663 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 · 0001227654COMPASS MINERALS INTERNATIONAL INC

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

No verified LEI join available.

GLEIF legal entity reference data · retrieved 2026-10-15 · 1199 checked identities; 0 unavailable records

Search names and former names
  • SALT HOLDINGS CORP · former SEC name · 2003-04-17 to 2003-11-05

Revenue in constant purchasing power

USD revenue expressed in 2026-09 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
2025-09-30$1.24B$1.31B
2024-09-30$1.12B$1.21B
2023-09-30$1.20B$1.34B
2022-09-30$1.25B$1.46B
2021-09-30$1.15B$1.45B
2019-12-31$1.09B$1.43B
2018-12-31$1.08B$1.45B
2017-12-31$1.36B$1.88B

Bureau of Labor Statistics · retrieved 2026-10-20 · 9 selected series; gaps remain missing

Explore the CPI history ↗