# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000950170-25-101991
Filing Date
2025-08-04
Accepted
2025-08-04 16:05:55
Documents
108
Period of Report
2025-06-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | fisi-20250630.htm iXBRL | 10-Q | 10687947
2 | EX-10.1 | fisi-ex10_1.htm | EX-10.1 | 203274
3 | EX-31.1 | fisi-ex31_1.htm | EX-31.1 | 16160
4 | EX-31.2 | fisi-ex31_2.htm | EX-31.2 | 16131
5 | EX-32 | fisi-ex32.htm | EX-32 | 21817
6 | GRAPHIC | img40783960_0.jpg | GRAPHIC | 323901
| Complete submission text file | 0000950170-25-101991.txt |  | 42216349

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
7 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | fisi-20250630.xsd | EX-101.SCH | 2114867
110 | EXTRACTED XBRL INSTANCE DOCUMENT | fisi-20250630_htm.xml | XML | 12907436

Mailing Address 220 LIBERTY STREET WARSAW NY 14569
Business Address 220 LIBERTY STREET WARSAW NY 14569 5857861100
FINANCIAL INSTITUTIONS INC (Filer) CIK: 0000862831 (see all company filings)

EIN.: 160816610 | State of Incorp.: NY | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 000-26481 | Film No.: 251180246
SIC: 6021 National Commercial Banks
(CF Office: 02 Finance)