{"cik":39311,"company":{"entity_status":null,"filings":[{"accession":"0002147236-26-000004","document":"xslF345X06/wk-form4_1790954969.xml","filed":"2026-10-02","form":"4","items":"","report_date":"2026-08-14"},{"accession":"0001830303-26-000004","document":"xslF345X06/wk-form4_1790952906.xml","filed":"2026-10-02","form":"4","items":"","report_date":"2026-08-14"},{"accession":"0001792263-26-000005","document":"xslF345X06/wk-form4_1790954545.xml","filed":"2026-10-02","form":"4","items":"","report_date":"2026-08-14"},{"accession":"0001711112-26-000004","document":"xslF345X06/wk-form4_1790954994.xml","filed":"2026-10-02","form":"4","items":"","report_date":"2026-08-14"},{"accession":"0001693139-26-000004","document":"xslF345X06/wk-form4_1790952950.xml","filed":"2026-10-02","form":"4","items":"","report_date":"2026-08-14"},{"accession":"0001666215-26-000008","document":"xslF345X06/wk-form4_1790955014.xml","filed":"2026-10-02","form":"4","items":"","report_date":"2026-08-14"},{"accession":"0001649667-26-000008","document":"xslF345X06/wk-form4_1790958102.xml","filed":"2026-10-02","form":"4","items":"","report_date":"2026-08-14"},{"accession":"0001561329-26-000004","document":"xslF345X06/wk-form4_1790958121.xml","filed":"2026-10-02","form":"4","items":"","report_date":"2026-10-01"},{"accession":"0000039311-26-000061","document":"ibcp-20260630.htm","filed":"2026-08-05","form":"10-Q","items":"","report_date":"2026-06-30"},{"accession":"0000039311-26-000059","document":"ibcp-20260721.htm","filed":"2026-07-27","form":"8-K","items":"5.02,9.01","report_date":"2026-07-21"},{"accession":"0000039311-26-000056","document":"ibcp-20260723.htm","filed":"2026-07-23","form":"8-K","items":"2.02,9.01","report_date":"2026-07-23"},{"accession":"0000039311-26-000053","document":"ibcp-20260617.htm","filed":"2026-06-18","form":"8-K","items":"8.01","report_date":"2026-06-17"},{"accession":"0000039311-26-000051","document":"ibcp-20260611.htm","filed":"2026-06-12","form":"8-K","items":"8.01,9.01","report_date":"2026-06-11"},{"accession":"0000039311-26-000048","document":"ibcp-20260331.htm","filed":"2026-05-06","form":"10-Q","items":"","report_date":"2026-03-31"},{"accession":"0000039311-26-000046","document":"ibcp-20260429.htm","filed":"2026-04-29","form":"8-K","items":"7.01,9.01","report_date":"2026-04-29"},{"accession":"0000039311-26-000044","document":"ibcp-20260421.htm","filed":"2026-04-24","form":"8-K","items":"5.07,9.01","report_date":"2026-04-21"},{"accession":"0000039311-26-000042","document":"ibcp-20260423.htm","filed":"2026-04-23","form":"8-K","items":"2.02,9.01","report_date":"2026-04-23"},{"accession":"0000039311-26-000039","document":"ibcp-20260421.htm","filed":"2026-04-21","form":"8-K","items":"7.01,9.01","report_date":"2026-04-21"},{"accession":"0000039311-26-000020","document":"ibcp-20260318.htm","filed":"2026-03-18","form":"8-K","items":"1.01,7.01,9.01","report_date":"2026-03-18"},{"accession":"0000039311-26-000011","document":"ibcp-20260306.htm","filed":"2026-03-06","form":"DEF 14A","items":"","report_date":"2026-04-21"},{"accession":"0000039311-26-000009","document":"ibcp-20251231_d2.htm","filed":"2026-03-06","form":"10-K","items":"","report_date":"2025-12-31"},{"accession":"0000039311-26-000004","document":"ibcp-20260122.htm","filed":"2026-01-22","form":"8-K","items":"2.02,9.01","report_date":"2026-01-22"},{"accession":"0000039311-25-000105","document":"ibcp-20251216.htm","filed":"2025-12-19","form":"8-K","items":"5.02,9.01","report_date":"2025-12-16"},{"accession":"0000039311-25-000103","document":"ibcp-20251105.htm","filed":"2025-11-05","form":"8-K","items":"7.01,9.01","report_date":"2025-11-05"},{"accession":"0000039311-25-000101","document":"ibcp-20250930.htm","filed":"2025-11-05","form":"10-Q","items":"","report_date":"2025-09-30"},{"accession":"0000039311-25-000098","document":"ibcp-20251028.htm","filed":"2025-10-28","form":"8-K","items":"2.02,9.01","report_date":"2025-10-28"},{"accession":"0000039311-25-000095","document":"ibcp-20250815.htm","filed":"2025-08-15","form":"8-K","items":"8.01,9.01","report_date":"2025-08-15"},{"accession":"0000039311-25-000093","document":"ibcp-20250630.htm","filed":"2025-08-06","form":"10-Q","items":"","report_date":"2025-06-30"},{"accession":"0000039311-25-000086","document":"ibcp-20250728.htm","filed":"2025-07-28","form":"8-K","items":"7.01,9.01","report_date":"2025-07-28"},{"accession":"0000039311-25-000083","document":"ibcp-20250724.htm","filed":"2025-07-24","form":"8-K","items":"2.02,9.01","report_date":"2025-07-24"},{"accession":"0000039311-25-000065","document":"ibcp-20250331.htm","filed":"2025-05-07","form":"10-Q","items":"","report_date":"2025-03-31"},{"accession":"0000039311-25-000060","document":"ibcp-20250424.htm","filed":"2025-04-24","form":"8-K","items":"2.02,9.01","report_date":"2025-04-24"},{"accession":"0000039311-25-000058","document":"ibcp-20250423.htm","filed":"2025-04-23","form":"8-K","items":"5.07,9.01","report_date":"2025-04-23"},{"accession":"0000039311-25-000056","document":"ibcp-20250422.htm","filed":"2025-04-22","form":"8-K","items":"7.01,9.01","report_date":"2025-04-22"},{"accession":"0000039311-25-000045","document":"ibcp-20250304.htm","filed":"2025-03-07","form":"DEF 14A","items":"","report_date":"2025-04-22"},{"accession":"0000039311-25-000044","document":"ibcp-20241231_d2.htm","filed":"2025-03-07","form":"10-K","items":"","report_date":"2024-12-31"},{"accession":"0000039311-25-000013","document":"ibcp-20250123.htm","filed":"2025-01-23","form":"8-K","items":"2.02,9.01","report_date":"2025-01-23"},{"accession":"0000039311-25-000002","document":"ibcp-20250102.htm","filed":"2025-01-02","form":"8-K","items":"5.02,9.01","report_date":"2025-01-02"},{"accession":"0000039311-24-000090","document":"ibcp-20240930.htm","filed":"2024-11-05","form":"10-Q","items":"","report_date":"2024-09-30"},{"accession":"0000039311-24-000087","document":"ibcp-20241024.htm","filed":"2024-10-24","form":"8-K","items":"2.02,9.01","report_date":"2024-10-24"}],"former_names":[],"gleif_parents":[],"headquarters":[],"insiders":[{"accession":"0001290904-26-000005","acquired_disposed":"D","code":"S","date":"2026-09-15","derivative":false,"filed":"2026-09-16","following_shares":"158036.0","form":"4","owners":["Kessel William B"],"plan_10b5_1":false,"price":"37.36","security":"Common Stock","shares":"600.0"},{"accession":"0001290904-26-000005","acquired_disposed":"D","code":"S","date":"2026-09-15","derivative":false,"filed":"2026-09-16","following_shares":"159147.0","form":"4","owners":["Kessel William B"],"plan_10b5_1":false,"price":"37.19","security":"Common Stock","shares":"195.0"},{"accession":"0001290904-26-000005","acquired_disposed":"D","code":"S","date":"2026-09-15","derivative":false,"filed":"2026-09-16","following_shares":"157936.0","form":"4","owners":["Kessel William B"],"plan_10b5_1":false,"price":"37.38","security":"Common Stock","shares":"100.0"},{"accession":"0001290904-26-000005","acquired_disposed":"D","code":"S","date":"2026-09-15","derivative":false,"filed":"2026-09-16","following_shares":"159736.0","form":"4","owners":["Kessel William B"],"plan_10b5_1":false,"price":"37.1","security":"Common Stock","shares":"100.0"},{"accession":"0001290904-26-000005","acquired_disposed":"D","code":"S","date":"2026-09-15","derivative":false,"filed":"2026-09-16","following_shares":"158636.0","form":"4","owners":["Kessel William B"],"plan_10b5_1":false,"price":"37.3","security":"Common Stock","shares":"405.0"},{"accession":"0001290904-26-000005","acquired_disposed":"D","code":"S","date":"2026-09-15","derivative":false,"filed":"2026-09-16","following_shares":"159041.0","form":"4","owners":["Kessel William B"],"plan_10b5_1":false,"price":"37.25","security":"Common Stock","shares":"106.0"},{"accession":"0001290904-26-000005","acquired_disposed":"D","code":"S","date":"2026-09-15","derivative":false,"filed":"2026-09-16","following_shares":"157836.0","form":"4","owners":["Kessel William B"],"plan_10b5_1":false,"price":"37.41","security":"Common Stock","shares":"100.0"},{"accession":"0001290904-26-000005","acquired_disposed":"D","code":"S","date":"2026-09-15","derivative":false,"filed":"2026-09-16","following_shares":"159342.0","form":"4","owners":["Kessel William B"],"plan_10b5_1":false,"price":"37.18","security":"Common Stock","shares":"200.0"},{"accession":"0001290904-26-000005","acquired_disposed":"D","code":"S","date":"2026-09-15","derivative":false,"filed":"2026-09-16","following_shares":"159542.0","form":"4","owners":["Kessel William B"],"plan_10b5_1":false,"price":"37.17","security":"Common Stock","shares":"194.0"},{"accession":"0001933750-26-000003","acquired_disposed":"D","code":"S","date":"2026-08-19","derivative":false,"filed":"2026-08-20","following_shares":"2207.0","form":"4","owners":["Kreter Kristopher"],"plan_10b5_1":false,"price":"37.11","security":"Common Stock","shares":"300.0"},{"accession":"0001198786-26-000003","acquired_disposed":"D","code":"S","date":"2026-08-10","derivative":false,"filed":"2026-08-10","following_shares":"8195.0","form":"4","owners":["TWAROZYNSKI JAMES J"],"plan_10b5_1":false,"price":"37.67","security":"Common Stock","shares":"489.0"},{"accession":"0002147236-26-000003","acquired_disposed":"A","code":"A","date":"2026-07-31","derivative":true,"filed":"2026-08-04","following_shares":"461.58","form":"4","owners":["Tagg Nathaniel Ernest"],"plan_10b5_1":false,"price":"34.37","security":"Phantom Stock Units","shares":"461.58"},{"accession":"0001792263-26-000004","acquired_disposed":"A","code":"A","date":"2026-07-01","derivative":true,"filed":"2026-07-02","following_shares":"24403.27","form":"4","owners":["Kruse Ronia F"],"plan_10b5_1":false,"price":"32.46","security":"Phantom Stock Units","shares":"127.07"},{"accession":"0001711112-26-000003","acquired_disposed":"A","code":"A","date":"2026-07-01","derivative":true,"filed":"2026-07-02","following_shares":"28617.96","form":"4","owners":["Cok Michael J"],"plan_10b5_1":false,"price":"32.46","security":"Phantom Stock Units","shares":"365.22"},{"accession":"0001693139-26-000003","acquired_disposed":"A","code":"A","date":"2026-07-01","derivative":true,"filed":"2026-07-02","following_shares":"25044.29","form":"4","owners":["Keller Christina"],"plan_10b5_1":false,"price":"32.46","security":"Phantom Stock Units","shares":"635.34"},{"accession":"0001666215-26-000006","acquired_disposed":"A","code":"A","date":"2026-07-01","derivative":true,"filed":"2026-07-02","following_shares":"425.46","form":"4","owners":["Wooldridge Michael G."],"plan_10b5_1":false,"price":"32.46","security":"Phantom Stock Units","shares":"137.0"},{"accession":"0001561329-26-000003","acquired_disposed":"A","code":"A","date":"2026-07-01","derivative":false,"filed":"2026-07-02","following_shares":"17073.75","form":"4","owners":["Boer William J"],"plan_10b5_1":false,"price":"36.07","security":"Common Stock","shares":"285.0"},{"accession":"0001830303-26-000003","acquired_disposed":"A","code":"A","date":"2026-05-14","derivative":true,"filed":"2026-07-02","following_shares":"6451.74","form":"4","owners":["Archer Dennis W. Jr"],"plan_10b5_1":false,"price":"33.71","security":"Phantom Stock Units","shares":"53.15"},{"accession":"0001792263-26-000004","acquired_disposed":"A","code":"A","date":"2026-05-14","derivative":true,"filed":"2026-07-02","following_shares":"24276.2","form":"4","owners":["Kruse Ronia F"],"plan_10b5_1":false,"price":"33.71","security":"Phantom Stock Units","shares":"200.0"},{"accession":"0001711112-26-000003","acquired_disposed":"A","code":"A","date":"2026-05-14","derivative":true,"filed":"2026-07-02","following_shares":"28252.74","form":"4","owners":["Cok Michael J"],"plan_10b5_1":false,"price":"33.71","security":"Phantom Stock Units","shares":"232.76"},{"accession":"0001693139-26-000003","acquired_disposed":"A","code":"A","date":"2026-05-14","derivative":true,"filed":"2026-07-02","following_shares":"24408.95","form":"4","owners":["Keller Christina"],"plan_10b5_1":false,"price":"33.71","security":"Phantom Stock Units","shares":"201.09"},{"accession":"0001666215-26-000006","acquired_disposed":"A","code":"A","date":"2026-05-14","derivative":true,"filed":"2026-07-02","following_shares":"288.46","form":"4","owners":["Wooldridge Michael G."],"plan_10b5_1":false,"price":"33.71","security":"Phantom Stock Units","shares":"2.38"},{"accession":"0001649667-26-000006","acquired_disposed":"A","code":"A","date":"2026-05-14","derivative":true,"filed":"2026-07-02","following_shares":"35609.23","form":"4","owners":["Budden Joan A"],"plan_10b5_1":false,"price":"33.71","security":"Phantom Stock Units","shares":"293.36"},{"accession":"0001015788-26-000003","acquired_disposed":"A","code":"A","date":"2026-05-14","derivative":true,"filed":"2026-07-02","following_shares":"64118.66","form":"4","owners":["GULIS STEPHEN L JR"],"plan_10b5_1":false,"price":"33.71","security":"Phantom Stock Units","shares":"528.24"}],"legal_name":null,"lei":null,"lei_status":null,"lei_updated_at":null,"names":[],"parent_exceptions":[],"parents":[],"wikidata_id":null},"research_built_at":"2026-10-23T06:11:20.354311+00:00","reviewed_events":[],"reviewed_events_coverage":"selective; not a complete event history; accounting series not reconciled","sources":[{"coverage":"8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer","id":"sec","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC submissions","retrieved_at":"2026-10-23T06:12:00.336203+00:00","status":"ok","url":"https://www.sec.gov/search-filings/edgar-application-programming-interfaces"},{"coverage":"1658 unambiguous CIK-linked entities; coverage is incomplete","id":"wikidata","license":"CC0-1.0","license_url":"https://www.wikidata.org/wiki/Wikidata:Licensing","name":"Wikidata structured data","retrieved_at":"2026-10-23T06:12:25.714432+00:00","status":"ok","url":"https://www.wikidata.org/"},{"coverage":"1197 checked identities; 0 unavailable records","id":"gleif","license":"CC0-1.0","license_url":"https://www.gleif.org/en/meta/lei-data-terms-of-use","name":"GLEIF legal entity reference data","retrieved_at":"2026-10-23T06:14:03.968440+00:00","status":"ok","url":"https://www.gleif.org/en/lei-data/gleif-api"},{"coverage":"4 selected series; gaps remain missing","id":"fed","license":"Public domain (selected government series)","license_url":"https://www.federalreserve.gov/disclaimer.htm","name":"Federal Reserve Board H.15","retrieved_at":"2026-10-23T06:27:13.562713+00:00","status":"ok","url":"https://www.federalreserve.gov/releases/h15/"},{"coverage":"9 selected series; gaps remain missing","id":"bls","license":"Public domain","license_url":"https://www.bls.gov/opub/copyright-information.htm","name":"Bureau of Labor Statistics","retrieved_at":"2026-10-23T06:27:14.878114+00:00","status":"ok","url":"https://www.bls.gov/developers/"},{"coverage":"2026 Q3: filings in this completed quarter; not a live transaction feed","id":"insiders","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC insider transactions","retrieved_at":"2026-10-23T06:12:21.860189+00:00","status":"ok","url":"https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets"}]}