FINANCIAL INSTITUTIONS INC — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
3
3/A
4
4/A
424B1
424B3
424B5
5
8-A12G
8-K
8-K/A
ARS
CORRESP
D
DEF 14A
DEFA14A
DEFC14A
DFAN14A
EFFECT
FWP
PRE 14A
PREC14A
PRRN14A
S-1
S-1/A
S-3
S-3/A
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001237 | Mar 26, 2026 | — |
| 4 | 4 | 0001193125-26-119711 | Mar 23, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-119710 | Mar 23, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-119709 | Mar 23, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-119708 | Mar 23, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-119706 | Mar 23, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-119704 | Mar 23, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-119702 | Mar 23, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-104101 | Mar 12, 2026 | — |
| 8-K | 8-K | 0001193125-26-100119 | Mar 10, 2026 | Mar 4, 2026 |
| 10-K | 10-K | 0001193125-26-098467 | Mar 9, 2026 | Dec 31, 2025 |
| 4 | 4 | 0001193125-26-096500 | Mar 6, 2026 | Mar 5, 2026 |
| 4 | 4 | 0001193125-26-096499 | Mar 6, 2026 | Mar 5, 2026 |
| 4 | 4 | 0001193125-26-096489 | Mar 6, 2026 | Mar 5, 2026 |
| 4 | 4 | 0001193125-26-096488 | Mar 6, 2026 | Mar 5, 2026 |
| 4 | 4 | 0001193125-26-096486 | Mar 6, 2026 | Mar 5, 2026 |
| 4 | 4 | 0001193125-26-096484 | Mar 6, 2026 | Mar 5, 2026 |
| 4 | 4 | 0001193125-26-096485 | Mar 6, 2026 | Mar 5, 2026 |
| 4 | 4 | 0001193125-26-096483 | Mar 6, 2026 | Mar 5, 2026 |
| 4 | 4 | 0001193125-26-096482 | Mar 6, 2026 | Mar 5, 2026 |
| EFFECT | — | 9999999995-26-000610 | Feb 17, 2026 | — |
| 424B3 | 424B3 | 0001193125-26-054860 | Feb 17, 2026 | — |
| 8-K | 8-K | 0001193125-26-048970 | Feb 12, 2026 | — |
| SCHEDULE 13G | — | 0000902219-26-000008 | Feb 10, 2026 | — |
| S-4 | S-4 | 0001193125-26-031769 | Jan 30, 2026 | — |
| 8-K | 8-K | 0001193125-26-029330 | Jan 29, 2026 | Dec 31, 2025 |
| 5 | 5 | 0001193125-26-008901 | Jan 9, 2026 | Dec 31, 2025 |
| 5 | 5 | 0001193125-26-008900 | Jan 9, 2026 | Dec 31, 2025 |
| 5 | 5 | 0001193125-26-008896 | Jan 9, 2026 | Dec 31, 2025 |
| 5 | 5 | 0001193125-26-008895 | Jan 9, 2026 | Dec 31, 2025 |
| 5 | 5 | 0001193125-26-008893 | Jan 9, 2026 | Dec 31, 2025 |
| D | — | 0000862831-25-000002 | Dec 17, 2025 | — |
| 8-K | 8-K | 0001193125-25-316059 | Dec 11, 2025 | — |
| 4 | 4 | 0001193125-25-303946 | Dec 1, 2025 | Nov 28, 2025 |
| 4 | 4 | 0001193125-25-303939 | Dec 1, 2025 | Nov 28, 2025 |
| 4 | 4 | 0001193125-25-303938 | Dec 1, 2025 | Nov 28, 2025 |
| 4 | 4 | 0001193125-25-303937 | Dec 1, 2025 | Nov 28, 2025 |
| 8-K | 8-K | 0001193125-25-284607 | Nov 17, 2025 | Nov 14, 2025 |
| 10-Q | 10-Q | 0001193125-25-262535 | Nov 3, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001193125-25-248744 | Oct 23, 2025 | Sep 30, 2025 |
| SCHEDULE 13D/A | — | 0000897069-25-001538 | Oct 2, 2025 | — |
| 8-K | 8-K | 0001193125-25-211278 | Sep 22, 2025 | Sep 18, 2025 |
| 8-K | 8-K | 0000950170-25-111189 | Aug 25, 2025 | — |
| SCHEDULE 13D/A | — | 0000897069-25-001358 | Aug 15, 2025 | — |
| S-8 | S-8 | 0000950170-25-102038 | Aug 4, 2025 | — |
| 10-Q | 10-Q | 0000950170-25-101991 | Aug 4, 2025 | Jun 30, 2025 |
| 8-K | 8-K | 0000950170-25-098332 | Jul 24, 2025 | Jun 30, 2025 |
| SCHEDULE 13G/A | — | 0000354204-25-001036 | Jul 15, 2025 | — |
| 4 | 4 | 0000950170-25-094771 | Jul 9, 2025 | Jul 8, 2025 |
| 11-K | 11-K | 0000950170-25-087892 | Jun 18, 2025 | Dec 31, 2024 |