Financial Institutions Inc SEC filings FIISO
Financial Institutions Inc has 1,000 filings in SEC EDGAR's recent list, going back to Dec 5, 2014. Its latest annual report, Form ARS, was filed on Apr 6, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 3, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 29, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Officer or director change
|
Sep 8, 2026 | Sep 8, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 26, 2026 | Aug 26, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 23, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 21, 2026 | May 20, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 20, 2026 | May 20, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 23, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Officer or director change
|
Mar 10, 2026 | Mar 4, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 12, 2026 | Feb 12, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 29, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure, Other events
|
Dec 11, 2025 | Dec 11, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 17, 2025 | Nov 14, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 23, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 22, 2025 | Sep 18, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 25, 2025 | Aug 25, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 24, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 29, 2025 | May 28, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
May 28, 2025 | May 28, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 28, 2025 | Mar 31, 2025 |
| 8-K/A |
Amended current report
Results of operations, Regulation FD disclosure
|
Mar 10, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Mar 10, 2025 | Mar 7, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 6, 2025 | Mar 4, 2025 |
| 8-K |
Current report
Other events
|
Mar 6, 2025 | Mar 6, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 13, 2025 | Feb 12, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 30, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Officer or director change
|
Jan 27, 2025 | Jan 22, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Dec 12, 2024 | Dec 11, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 20, 2024 | Nov 20, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 24, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Other events
|
Sep 16, 2024 | Sep 16, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 19, 2024 | Aug 19, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 25, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Officer or director change
|
Jun 25, 2024 | Jun 19, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 18, 2024 | Jun 18, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 6, 2024 | Jun 5, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
May 22, 2024 | May 22, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 25, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Other events
|
Apr 1, 2024 | Apr 1, 2024 |
| 8-K |
Current report
Officer or director change
|
Mar 27, 2024 | Mar 27, 2024 |
| 8-K |
Current report
Other events
|
Mar 14, 2024 | Mar 14, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 11, 2024 | Mar 11, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 15, 2024 | Feb 13, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 25, 2024 | Jan 25, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Dec 8, 2023 | Dec 8, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 15, 2023 | Nov 14, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 26, 2023 | Oct 26, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Sep 20, 2023 | Sep 15, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 21, 2023 | Aug 21, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 27, 2023 | Jul 27, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 22, 2023 | Jun 22, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
May 24, 2023 | May 24, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
May 1, 2023 | May 1, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 26, 2023 | Apr 26, 2023 |
| 8-K |
Current report
Other events
|
Mar 23, 2023 | Mar 23, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 17, 2023 | Feb 17, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 30, 2023 | Jan 30, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 24, 2023 | Jan 24, 2023 |
| 8-K |
Current report
Other events
|
Dec 20, 2022 | Dec 20, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 21, 2022 | Nov 21, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 27, 2022 | Oct 27, 2022 |
| 8-K |
Current report
Officer or director change
|
Aug 22, 2022 | Aug 22, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 22, 2022 | Aug 22, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 28, 2022 | Jul 28, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 17, 2022 | Jun 17, 2022 |
| 8-K |
Current report
Other events
|
Jun 13, 2022 | Jun 13, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
May 25, 2022 | May 25, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 27, 2022 | Apr 27, 2022 |
| 8-K |
Current report
Other events
|
Mar 23, 2022 | Mar 23, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 22, 2022 | Feb 22, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 17, 2022 | Feb 17, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 31, 2022 | Jan 31, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 7, 2021 | Dec 7, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 19, 2021 | Nov 19, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 3, 2021 | Nov 3, 2021 |
| 8-K |
Current report
Officer or director change
|
Nov 2, 2021 | Oct 27, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 28, 2021 | Oct 28, 2021 |
| 8-K |
Current report
Other events
|
Oct 6, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 24, 2021 | Aug 24, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 29, 2021 | Jul 29, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 21, 2021 | Jun 16, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
May 26, 2021 | May 26, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
May 11, 2021 | May 11, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 28, 2021 | Apr 28, 2021 |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 25, 2021 | Mar 21, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 16, 2021 | Mar 16, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 25, 2021 | Feb 25, 2021 |
| 8-K |
Current report
Officer or director change
|
Feb 12, 2021 | Feb 8, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 29, 2021 | Jan 28, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 25, 2020 | Nov 25, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 6, 2020 | Nov 6, 2020 |
| 8-K |
Current report
Other events
|
Nov 4, 2020 | Nov 2, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 29, 2020 | Oct 29, 2020 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Oct 7, 2020 | Oct 7, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 23, 2020 | Sep 23, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 25, 2020 | Aug 25, 2020 |
| 8-K/A |
Amended current report
Exit or restructuring costs
|
Jul 30, 2020 | Jul 17, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 29, 2020 | Jul 29, 2020 |
| 8-K |
Current report
Exit or restructuring costs, Regulation FD disclosure
|
Jul 23, 2020 | Jul 17, 2020 |
| 8-K |
Current report
Officer or director change
|
Jul 1, 2020 | Jun 26, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 19, 2020 | Jun 17, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
May 27, 2020 | May 27, 2020 |
| 8-K |
Current report
Other events
|
May 21, 2020 | May 21, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 30, 2020 | Apr 30, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 27, 2020 | Feb 27, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 7, 2020 | Feb 7, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 30, 2020 | Jan 30, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 26, 2019 | Nov 26, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 4, 2019 | Nov 4, 2019 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 29, 2019 | Oct 29, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 27, 2019 | Aug 27, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 21, 2019 | Aug 21, 2019 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 29, 2019 | Jul 29, 2019 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 25, 2019 | Jun 19, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 19, 2019 | Jun 19, 2019 |
| 8-K |
Current report
Officer or director change
|
May 24, 2019 | May 22, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
May 22, 2019 | May 22, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
May 14, 2019 | May 14, 2019 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 30, 2019 | Apr 30, 2019 |
| 8-K |
Current report
Officer or director change
|
Apr 1, 2019 | Mar 27, 2019 |
| 8-K |
Current report
Other events
|
Mar 28, 2019 | Mar 27, 2019 |
| 8-K |
Current report
Officer or director change
|
Mar 26, 2019 | Mar 20, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 28, 2019 | Feb 28, 2019 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 31, 2019 | Jan 31, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 3, 2018 | Dec 3, 2018 |
| 8-K |
Current report
Officer or director change
|
Nov 30, 2018 | Nov 29, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 20, 2018 | Nov 20, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 6, 2018 | Nov 6, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 25, 2018 | Oct 25, 2018 |
| 8-K |
Current report
Officer or director change
|
Oct 24, 2018 | Oct 24, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 24, 2018 | Sep 24, 2018 |
| 8-K | Current report | Sep 14, 2018 | Sep 12, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 22, 2018 | Aug 22, 2018 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Aug 1, 2018 | Jun 20, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 26, 2018 | Jul 26, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Jun 21, 2018 | Jun 20, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 20, 2018 | Jun 20, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
May 23, 2018 | May 23, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
May 15, 2018 | May 15, 2018 |
| 8-K |
Current report
Officer or director change
|
Apr 30, 2018 | Apr 24, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 26, 2018 | Apr 26, 2018 |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 28, 2018 | Mar 27, 2018 |
| 8-K |
Current report
Auditor change
|
Mar 22, 2018 | Mar 16, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 28, 2018 | Feb 28, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 8, 2018 | Feb 8, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 29, 2018 | Jan 29, 2018 |
| 8-K |
Current report
Officer or director change
|
Nov 20, 2017 | Nov 15, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 17, 2017 | Nov 17, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 15, 2017 | Nov 15, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 6, 2017 | Nov 6, 2017 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 24, 2017 | Oct 24, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 25, 2017 | Sep 25, 2017 |
| 8-K |
Current report
Other events
|
Sep 22, 2017 | Sep 22, 2017 |
| 8-K |
Current report
Other events
|
Aug 23, 2017 | Aug 23, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 1, 2017 | Aug 1, 2017 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 25, 2017 | Jul 25, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Jun 22, 2017 | Jun 21, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 21, 2017 | Jun 21, 2017 |
| 8-K |
Current report
Material agreement
|
May 30, 2017 | May 30, 2017 |
| 8-K |
Current report
Other events
|
May 25, 2017 | May 25, 2017 |
| 8-K |
Current report
Other events
|
May 19, 2017 | May 18, 2017 |
| 8-K |
Current report
Other events
|
May 15, 2017 | May 15, 2017 |
| 8-K |
Current report
Officer or director change
|
May 4, 2017 | May 3, 2017 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 25, 2017 | Apr 25, 2017 |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 29, 2017 | Mar 24, 2017 |
| 8-K |
Current report
Other events
|
Feb 23, 2017 | Feb 23, 2017 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 24, 2017 | Jan 24, 2017 |
| 8-K |
Current report
Material agreement, Officer or director change, Bylaw or fiscal year change, Other events
|
Dec 30, 2016 | Dec 28, 2016 |
| 8-K |
Current report
Other events
|
Dec 7, 2016 | Dec 7, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 17, 2016 | Nov 17, 2016 |
| 8-K |
Current report
Other events
|
Nov 2, 2016 | Nov 2, 2016 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 25, 2016 | Oct 25, 2016 |
| 8-K |
Current report
Other events
|
Oct 11, 2016 | Oct 11, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 15, 2016 | Sep 15, 2016 |
| 8-K |
Current report
Other events
|
Aug 29, 2016 | Aug 29, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 29, 2016 | Jul 29, 2016 |
| 8-K |
Current report
Other events
|
Jul 29, 2016 | Jul 29, 2016 |
| 8-K |
Current report
Results of operations
|
Jul 26, 2016 | Jul 26, 2016 |
| 8-K |
Current report
Other events
|
Jul 20, 2016 | Jul 20, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 22, 2016 | Jun 22, 2016 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jun 7, 2016 | Jun 3, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 3, 2016 | Jun 3, 2016 |
| 8-K |
Current report
Other events
|
May 18, 2016 | May 18, 2016 |
| 8-K |
Current report
Results of operations
|
Apr 26, 2016 | Apr 26, 2016 |
| 8-K |
Current report
Officer or director change
|
Apr 1, 2016 | Mar 31, 2016 |
| 8-K |
Current report
Other events
|
Mar 23, 2016 | Mar 23, 2016 |
| 8-K |
Current report
Officer or director change, Other events
|
Feb 25, 2016 | Feb 25, 2016 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 26, 2016 | Jan 26, 2016 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Jan 6, 2016 | Jan 5, 2016 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 30, 2015 | Nov 30, 2015 |
| 8-K |
Current report
Other events
|
Nov 18, 2015 | Nov 18, 2015 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 10, 2015 | Nov 10, 2015 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2015 | Oct 27, 2015 |
| 8-K |
Current report
Officer or director change
|
Sep 25, 2015 | Sep 23, 2015 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 17, 2015 | Sep 17, 2015 |
| 8-K |
Current report
Other events
|
Aug 26, 2015 | Aug 26, 2015 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 28, 2015 | Jul 28, 2015 |
| 8-K |
Current report
Results of operations
|
Jul 22, 2015 | Jul 22, 2015 |
| 8-K |
Current report
Other events
|
May 20, 2015 | May 20, 2015 |
| 8-K |
Current report
Regulation FD disclosure
|
May 12, 2015 | May 12, 2015 |
| 8-K |
Current report
Shareholder vote results
|
May 8, 2015 | May 6, 2015 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- National Commercial Banks (SIC 6021)
- Listed as
- FISI (Nasdaq), FIISO (OTC), FIISP (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- NY
- Headquarters
- Warsaw, NY
- SEC filer status
- Accelerated filer
- SEC CIK
- 862831
- Former names
- FINANCIAL INSTITUTIONS INC (until Nov 3, 2026)
Other National Commercial Banks companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.