# Filing Detail

Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0000842517-26-000082
Filing Date
2026-03-23
Accepted
2026-03-23 16:30:31
Documents
19
Period of Report
2026-05-05

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEF 14A | isba-20260318.htm iXBRL | DEF 14A | 490157
5 | ISBA LOGO | isba-20260318_g1.jpg | GRAPHIC | 839249
6 | SIGNATURE | isba-20260318_g2.jpg | GRAPHIC | 71091
7 | VOTING | isba-20260318_g3.jpg | GRAPHIC | 195150
8 | GRAPH | isba-20260318_g4.jpg | GRAPHIC | 56340
9 | GRAPH | isba-20260318_g5.jpg | GRAPHIC | 63189
10 | VOTING CARD | isba-20260318_g6.gif | GRAPHIC | 41489
11 | VOTING CARD | isba-20260318_g7.gif | GRAPHIC | 52512
| Complete submission text file | 0000842517-26-000082.txt |  | 4268850

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
2 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | isba-20260318.xsd | EX-101.SCH | 2043
3 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | isba-20260318_lab.xml | EX-101.LAB | 105520
4 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | isba-20260318_pre.xml | EX-101.PRE | 55181
22 | EXTRACTED XBRL INSTANCE DOCUMENT | isba-20260318_htm.xml | XML | 147239

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: DEF 14A | Act: 34 | File No.: 001-42639 | Film No.: 26782656
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)