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)