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ISABELLA BANK CORP — All Filings

1,006 total filings on record

Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-K405 10-Q 10-Q/A 144 3 3/A 4 4/A 424B3 425 5 5/A 8-A12B 8-K 8-K/A ARS CERT CORRESP D DEF 14A DEFA14A DEFR14A EFFECT PRE 14A RW S-3 S-3D S-3DPOS S-4 S-4/A S-8 S-8 POS SC 13D SC TO-C SC TO-I SC TO-I/A UPLOAD
Form Description Accession Number Filed Period
8-K 8-K 0000842517-26-000085 Mar 25, 2026 Mar 23, 2026
DEF 14A DEF 14A 0000842517-26-000082 Mar 23, 2026 May 5, 2026
ARS ARS 0000842517-26-000081 Mar 23, 2026 Dec 31, 2025
4 FORM 4 0000842517-26-000073 Mar 18, 2026 Mar 16, 2026
10-K 10-K 0000842517-26-000069 Mar 13, 2026 Dec 31, 2025
4 FORM 4 0000842517-26-000067 Mar 4, 2026 Mar 2, 2026
4 FORM 4 0000842517-26-000065 Mar 4, 2026 Mar 2, 2026
4 FORM 4 0000842517-26-000063 Mar 4, 2026 Mar 2, 2026
4 FORM 4 0000842517-26-000062 Mar 4, 2026 Mar 2, 2026
4 FORM 4 0000842517-26-000055 Mar 4, 2026 Mar 2, 2026
4 FORM 4 0000842517-26-000054 Mar 4, 2026 Mar 2, 2026
4 FORM 4 0000842517-26-000053 Mar 4, 2026 Mar 2, 2026
4 FORM 4 0000842517-26-000051 Mar 4, 2026 Mar 2, 2026
4 FORM 4 0000842517-26-000050 Mar 4, 2026 Mar 2, 2026
4 FORM 4 0000842517-26-000049 Mar 4, 2026 Mar 2, 2026
4 FORM 4 0000842517-26-000048 Mar 4, 2026 Mar 2, 2026
4 FORM 4 0000842517-26-000047 Mar 4, 2026 Mar 2, 2026
S-8 S-8 0000842517-26-000036 Feb 26, 2026
8-K 8-K 0000842517-26-000035 Feb 26, 2026
4 FORM 4 0000842517-26-000031 Feb 18, 2026 Feb 17, 2026
5 FORM 5 0000842517-26-000029 Feb 13, 2026 Dec 31, 2025
8-K 8-K 0000842517-26-000027 Feb 5, 2026
4 FORM 4 0000842517-26-000025 Feb 2, 2026 Jan 28, 2026
4 FORM 4 0000842517-26-000023 Jan 30, 2026 Jan 28, 2026
4 FORM 4 0000842517-26-000022 Jan 30, 2026 Jan 28, 2026
4 FORM 4 0000842517-26-000019 Jan 23, 2026 Jan 20, 2026
4 FORM 4 0000842517-26-000018 Jan 23, 2026 Jan 20, 2026
4 FORM 4 0000842517-26-000017 Jan 23, 2026 Jan 20, 2026
4 FORM 4 0000842517-26-000016 Jan 23, 2026 Jan 20, 2026
4 FORM 4 0000842517-26-000015 Jan 23, 2026 Jan 20, 2026
4 FORM 4 0000842517-26-000014 Jan 23, 2026 Jan 20, 2026
4 FORM 4 0000842517-26-000007 Jan 21, 2026 Jan 16, 2026
3 FORM 3 0000842517-26-000005 Jan 13, 2026 Jan 5, 2026
8-K 8-K 0000842517-26-000002 Jan 5, 2026
4/A FORM 4/A 0000842517-25-000244 Dec 22, 2025 Sep 2, 2025
4/A FORM 4/A 0000842517-25-000242 Dec 22, 2025 Dec 1, 2025
4 FORM 4 0000842517-25-000238 Dec 11, 2025 Dec 9, 2025
4 FORM 4 0000842517-25-000235 Dec 3, 2025 Dec 1, 2025
4 FORM 4 0000842517-25-000233 Dec 3, 2025 Dec 1, 2025
4 FORM 4 0000842517-25-000231 Dec 3, 2025 Dec 1, 2025
4 FORM 4 0000842517-25-000229 Dec 3, 2025 Dec 1, 2025
4 FORM 4 0000842517-25-000228 Dec 3, 2025 Dec 1, 2025
4 FORM 4 0000842517-25-000227 Dec 3, 2025 Dec 1, 2025
4 FORM 4 0000842517-25-000226 Dec 3, 2025 Dec 1, 2025
4 FORM 4 0000842517-25-000225 Dec 3, 2025 Dec 1, 2025
4 FORM 4 0000842517-25-000224 Dec 3, 2025 Dec 1, 2025
4 FORM 4 0000842517-25-000223 Dec 3, 2025 Dec 1, 2025
8-K 8-K 0000842517-25-000212 Nov 20, 2025
10-Q 10-Q 0000842517-25-000210 Nov 10, 2025 Sep 30, 2025
8-K 8-K 0000842517-25-000207 Oct 27, 2025