# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000842517-25-000210
Filing Date
2025-11-10
Accepted
2025-11-10 16:39:10
Documents
68
Period of Report
2025-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | isba-20250930.htm iXBRL | 10-Q | 4482657
2 | EX-31.1 | isba_20250930xqxex311.htm | EX-31.1 | 10623
3 | EX-31.2 | isba_20250930xqxex312.htm | EX-31.2 | 10658
4 | EX-32 | isba_20250930xqxex32.htm | EX-32 | 6012
| Complete submission text file | 0000842517-25-000210.txt |  | 21023867

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
5 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | isba-20250930.xsd | EX-101.SCH | 51870
6 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | isba-20250930_cal.xml | EX-101.CAL | 102034
7 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | isba-20250930_def.xml | EX-101.DEF | 365599
8 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | isba-20250930_lab.xml | EX-101.LAB | 748117
9 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | isba-20250930_pre.xml | EX-101.PRE | 577416
71 | EXTRACTED XBRL INSTANCE DOCUMENT | isba-20250930_htm.xml | XML | 6317873

Mailing Address 401 NORTH MAIN STREET MT PLEASANT MI 48858
Business Address 401 NORTH MAIN STREET MT PLEASANT MI 48858 9897729471
ISABELLA BANK CORP (Filer) CIK: 0000842517 (see all company filings)

EIN.: 382830092 | State of Incorp.: MI | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-42639 | Film No.: 251466928
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)