Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0000950170-25-053504
Filing Date
2025-04-14
Accepted
2025-04-14 08:00:31
Documents
57
Period of Report
2025-05-28

Document Format Files

Seq Description Document Type Size
1 DEF 14A fisi-20250411.htm   iXBRL DEF 14A 3747286
2 GRAPHIC img40781977_0.jpg GRAPHIC 91909
3 GRAPHIC img40781977_1.jpg GRAPHIC 657466
4 GRAPHIC img40781977_2.jpg GRAPHIC 20524
5 GRAPHIC img40781977_3.jpg GRAPHIC 880028
6 GRAPHIC img40781977_4.jpg GRAPHIC 21721
7 GRAPHIC img40781977_5.jpg GRAPHIC 51265
8 GRAPHIC img40781977_6.jpg GRAPHIC 72605
9 GRAPHIC img40781977_7.jpg GRAPHIC 67467
10 GRAPHIC img40781977_8.jpg GRAPHIC 88640
11 GRAPHIC img40781977_9.jpg GRAPHIC 20522
12 GRAPHIC img40781977_10.jpg GRAPHIC 60292
13 GRAPHIC img40781977_11.jpg GRAPHIC 76619
14 GRAPHIC img40781977_12.jpg GRAPHIC 155837
15 GRAPHIC img40781977_13.jpg GRAPHIC 111763
16 GRAPHIC img40781977_14.jpg GRAPHIC 85811
17 GRAPHIC img40781977_15.jpg GRAPHIC 58513
18 GRAPHIC img40781977_16.jpg GRAPHIC 38122
19 GRAPHIC img40781977_17.jpg GRAPHIC 799051
20 GRAPHIC img40781977_18.jpg GRAPHIC 645002
21 GRAPHIC img40781977_19.jpg GRAPHIC 92108
22 GRAPHIC img40781977_20.jpg GRAPHIC 584099
23 GRAPHIC img40781977_21.jpg GRAPHIC 705803
24 GRAPHIC img40781977_22.jpg GRAPHIC 802088
25 GRAPHIC img40781977_23.jpg GRAPHIC 68815
26 GRAPHIC img40781977_24.jpg GRAPHIC 83301
27 GRAPHIC img40781977_25.jpg GRAPHIC 76085
28 GRAPHIC img40781977_26.jpg GRAPHIC 2557516
29 GRAPHIC img40781977_27.jpg GRAPHIC 2186514
30 GRAPHIC img40781977_28.jpg GRAPHIC 1823764
31 GRAPHIC img40781977_29.jpg GRAPHIC 133163
32 GRAPHIC img40781977_30.jpg GRAPHIC 138646
33 GRAPHIC img40781977_31.jpg GRAPHIC 79557
34 GRAPHIC img40781977_32.jpg GRAPHIC 87049
35 GRAPHIC img40781977_33.jpg GRAPHIC 103906
36 GRAPHIC img40781977_34.jpg GRAPHIC 90228
37 GRAPHIC img40781977_35.jpg GRAPHIC 141950
38 GRAPHIC img40781977_36.jpg GRAPHIC 333849
39 GRAPHIC img40781977_37.jpg GRAPHIC 327660
40 GRAPHIC img40781977_38.jpg GRAPHIC 295351
41 GRAPHIC img40781977_39.jpg GRAPHIC 38122
42 GRAPHIC img40781977_40.jpg GRAPHIC 1164238
43 GRAPHIC img40781977_41.jpg GRAPHIC 132604
44 GRAPHIC img40781977_42.jpg GRAPHIC 149198
45 GRAPHIC img40781977_43.jpg GRAPHIC 373373
  Complete submission text file 0000950170-25-053504.txt   49012530

Data Files

Seq Description Document Type Size
46 XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT fisi-20250411.xsd EX-101.SCH 11113
59 EXTRACTED XBRL INSTANCE DOCUMENT fisi-20250411_htm.xml XML 658964
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: DEF 14A | Act: 34 | File No.: 000-26481 | Film No.: 25834240
SIC: 6021 National Commercial Banks
(CF Office: 02 Finance)