# Filing Detail

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)