A business in context

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

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Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-22 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-10-16 · 0000842517-26-000229

  2. 8-K · Current report

    Report date 2026-10-05 · 0000842517-26-000227 · Items 8.01,9.01

  3. 8-K · Current report

    Report date 2026-09-28 · 0000842517-26-000224 · Items 8.01

  4. 8-K · Current report

    Report date 2026-09-21 · 0000842517-26-000222 · Items 8.01

  5. 4 · Ownership change

    Report date 2026-09-16 · 0000842517-26-000220

  6. 4 · Ownership change

    Report date 2026-09-01 · 0000842517-26-000217

  7. 4 · Ownership change

    Report date 2026-09-01 · 0000842517-26-000215

  8. 4 · Ownership change

    Report date 2026-09-01 · 0000842517-26-000213

  9. 4 · Ownership change

    Report date 2026-09-01 · 0000842517-26-000211

  10. 4 · Ownership change

    Report date 2026-09-01 · 0000842517-26-000209

  11. 4 · Ownership change

    Report date 2026-09-01 · 0000842517-26-000207

  12. 8-K · Current report

    Report date 2026-08-27 · 0000842517-26-000190 · Items 8.01,9.01

  13. 8-K · Current report

    Report date 2026-08-11 · 0000842517-26-000184 · Items 5.02,9.01

  14. 10-Q · Quarterly report

    Report date 2026-06-30 · 0000842517-26-000180

  15. 8-K · Current report

    Report date 2026-07-23 · 0000842517-26-000176 · Items 2.02,9.01

  16. 8-K · Current report

    Report date 2026-06-16 · 0000842517-26-000163 · Items 1.01,9.01

  17. 8-K · Current report

    Report date 2026-06-11 · 0000842517-26-000158 · Items 1.01,9.01

  18. 8-K · Current report

    Report date 2026-06-12 · 0000842517-26-000138 · Items 7.01,9.01

  19. 8-K · Current report

    Report date 2026-05-28 · 0000842517-26-000108 · Items 8.01,9.01

  20. 8-K · Current report

    Report date 2026-05-05 · 0000842517-26-000102 · Items 5.07

  21. 10-Q · Quarterly report

    Report date 2026-03-31 · 0000842517-26-000099

  22. 8-K · Current report

    Report date 2026-04-23 · 0000842517-26-000095 · Items 2.02,9.01

  23. 8-K · Current report

    Report date 2026-03-23 · 0000842517-26-000085 · Items 5.02

  24. DEF 14A · Proxy statement

    Report date 2026-05-05 · 0000842517-26-000082

  25. 10-K · Annual report

    Report date 2025-12-31 · 0000842517-26-000069

  26. 8-K · Current report

    Report date 2026-02-26 · 0000842517-26-000035 · Items 8.01,9.01

  27. 8-K · Current report

    Report date 2026-02-05 · 0000842517-26-000027 · Items 2.02,9.01

  28. 8-K · Current report

    Report date 2026-01-05 · 0000842517-26-000002 · Items 5.02,9.01

  29. 8-K · Current report

    Report date 2025-11-20 · 0000842517-25-000212 · Items 8.01,9.01

  30. 10-Q · Quarterly report

    Report date 2025-09-30 · 0000842517-25-000210

  31. 8-K · Current report

    Report date 2025-10-27 · 0000842517-25-000207 · Items 2.02,9.01

  32. 8-K · Current report

    Report date 2025-10-06 · 0000842517-25-000199 · Items 5.02,9.01

  33. 8-K · Current report

    Report date 2025-09-24 · 0000842517-25-000193 · Items 5.03,9.01

  34. 8-K · Current report

    Report date 2025-08-28 · 0000842517-25-000142 · Items 5.02

  35. 8-K · Current report

    Report date 2025-08-28 · 0000842517-25-000139 · Items 8.01,9.01

  36. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000842517-25-000135

  37. 8-K · Current report

    Report date 2025-07-24 · 0000842517-25-000132 · Items 2.02,9.01

  38. 8-K · Current report

    Report date 2025-06-30 · 0000842517-25-000126 · Items 5.02

  39. 8-K · Current report

    Report date 2025-05-29 · 0000842517-25-000110 · Items 8.01,9.01

  40. 8-K · Current report

    Report date 2025-05-06 · 0000842517-25-000104 · Items 5.07

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: 3 transaction rows3PSale: 0 transaction rows0SGrant / award: 9 transaction rows9AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

12 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-16
2026-09-17
Bourland JillP · Purchase
Acquired
common7.6139.4
2026-09-01
2026-09-03
Barnes Jeffrey JA · Grant / award
Acquired
common242.038.55
2026-09-01
2026-09-03
Bourland JillA · Grant / award
Acquired
common10.038.55
2026-09-01
2026-09-03
Coffin Melinda MarieA · Grant / award
Acquired
common31.038.55
2026-09-01
2026-09-03
Opperman Sarah RA · Grant / award
Acquired
common46.038.55
2026-09-01
2026-09-03
Rupp Vicki LA · Grant / award
Acquired
common33.038.55
2026-09-01
2026-09-03
Sackett Brian RoyA · Grant / award
Acquired
common24.038.55
2026-09-01
2026-09-03
Schwind Jerome EA · Grant / award
Acquired
common123.038.55
2026-09-01
2026-09-03
Tessin Brian BA · Grant / award
Acquired
common8.038.55
2026-09-01
2026-09-03
McDonnell Neil MichaelA · Grant / award
Acquired
common3.038.55
2026-08-17
2026-08-17
Bourland JillP · Purchase
Acquired
common7.2141.59
2026-07-16
2026-07-17
Bourland JillP · Purchase
Acquired
common7.6839.07

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 · 0000842517ISABELLA BANK CORP

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
  • IBT BANCORP INC /MI/ · former SEC name · 1995-11-13 to 2008-05-16

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
2018-12-31$5.66M$7.59M
2017-12-31$5.38M$7.40M

Bureau of Labor Statistics · retrieved 2026-10-22 · 9 selected series; gaps remain missing

Explore the CPI history ↗