# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-24-030754
Filing Date
2024-03-13
Accepted
2024-03-13 16:07:02
Documents
164
Period of Report
2023-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | fisi-20231231.htm iXBRL | 10-K | 8886199
2 | EX-10.14 | fisi-ex10_14.htm | EX-10.14 | 77667
3 | EX-21 | fisi-ex21.htm | EX-21 | 13639
4 | EX-23.1 | fisi-ex23_1.htm | EX-23.1 | 5041
5 | EX-31.1 | fisi-ex31_1.htm | EX-31.1 | 13954
6 | EX-31.2 | fisi-ex31_2.htm | EX-31.2 | 13943
7 | EX-32 | fisi-ex32.htm | EX-32 | 12342
8 | EX-97 | fisi-ex97.htm | EX-97 | 42055
9 | GRAPHIC | img38962866_0.jpg | GRAPHIC | 252161
| Complete submission text file | 0000950170-24-030754.txt |  | 38676210

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
10 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | fisi-20231231.xsd | EX-101.SCH | 3252264
166 | EXTRACTED XBRL INSTANCE DOCUMENT | fisi-20231231_htm.xml | XML | 10526747

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-K | Act: 34 | File No.: 000-26481 | Film No.: 24745963
SIC: 6021 National Commercial Banks
(CF Office: 02 Finance)