Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000950170-25-063527
Filing Date
2025-05-05
Accepted
2025-05-05 16:05:41
Documents
109
Period of Report
2025-03-31

Document Format Files

Seq Description Document Type Size
1 10-Q fisi-20250331.htm   iXBRL 10-Q 8614048
2 EX-31.1 fisi-ex31_1.htm EX-31.1 16069
3 EX-31.2 fisi-ex31_2.htm EX-31.2 16040
4 EX-32 fisi-ex32.htm EX-32 21724
5 GRAPHIC img40781078_0.jpg GRAPHIC 323901
  Complete submission text file 0000950170-25-063527.txt   36767216

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT fisi-20250331.xsd EX-101.SCH 2121486
111 EXTRACTED XBRL INSTANCE DOCUMENT fisi-20250331_htm.xml XML 11111837
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.: 25912897
SIC: 6021 National Commercial Banks
(CF Office: 02 Finance)