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 |
|---|---|---|---|
| 11-K | Employee savings plan report | Jun 18, 2026 | Dec 31, 2025 |
| EFFECT | Filing | Feb 17, 2026 | — |
| CORRESP | Letter to the SEC | Feb 12, 2026 | — |
| UPLOAD | Letter from the SEC | Feb 5, 2026 | — |
| D | Filing | Dec 17, 2025 | — |
| 11-K | Employee savings plan report | Jun 18, 2025 | Dec 31, 2024 |
| EFFECT | Filing | Dec 4, 2024 | — |
| CORRESP | Letter to the SEC | Dec 2, 2024 | — |
| UPLOAD | Letter from the SEC | Nov 27, 2024 | — |
| 11-K | Employee savings plan report | Jun 21, 2024 | Dec 31, 2023 |
| 11-K | Employee savings plan report | Jun 21, 2023 | Dec 31, 2022 |
| 11-K | Employee savings plan report | Jun 17, 2022 | Dec 31, 2021 |
| EFFECT | Filing | Nov 12, 2021 | — |
| CORRESP | Letter to the SEC | Nov 9, 2021 | — |
| UPLOAD | Letter from the SEC | Nov 8, 2021 | — |
| 11-K | Employee savings plan report | Jun 21, 2021 | Dec 31, 2020 |
| EFFECT | Filing | Dec 22, 2020 | — |
| CORRESP | Letter to the SEC | Dec 18, 2020 | — |
| UPLOAD | Letter from the SEC | Dec 4, 2020 | — |
| D | Filing | Oct 15, 2020 | — |
| 11-K | Employee savings plan report | Jun 19, 2020 | Dec 31, 2019 |
| 11-K | Employee savings plan report | Jun 24, 2019 | Dec 31, 2018 |
| EFFECT | Filing | Aug 24, 2018 | — |
| UPLOAD | Letter from the SEC | Aug 24, 2018 | — |
| CORRESP | Letter to the SEC | Aug 23, 2018 | — |
| 11-K | Employee savings plan report | Jun 18, 2018 | Dec 31, 2017 |
| 11-K | Employee savings plan report | Jun 15, 2017 | Dec 31, 2016 |
| 11-K | Employee savings plan report | Jun 24, 2016 | Dec 31, 2015 |
| DFAN14A | Filing | May 23, 2016 | — |
| DFAN14A | Filing | May 19, 2016 | — |
| DEFC14A | Filing | May 12, 2016 | — |
| DFAN14A | Filing | May 12, 2016 | — |
| DFAN14A | Filing | May 12, 2016 | — |
| UPLOAD | Letter from the SEC | May 12, 2016 | — |
| PRRN14A | Filing | May 11, 2016 | — |
| UPLOAD | Letter from the SEC | May 4, 2016 | — |
| UPLOAD | Letter from the SEC | May 2, 2016 | — |
| DFAN14A | Filing | Apr 29, 2016 | — |
| PREC14A | Filing | Apr 26, 2016 | — |
| UPLOAD | Letter from the SEC | Apr 19, 2016 | — |
| DEFC14A | Filing | Apr 19, 2016 | — |
| DFAN14A | Filing | Apr 18, 2016 | — |
| DFAN14A | Filing | Apr 15, 2016 | — |
| DFAN14A | Filing | Apr 13, 2016 | — |
| PREC14A | Filing | Apr 8, 2016 | — |
| 11-K | Employee savings plan report | Jun 25, 2015 | Dec 31, 2014 |
| EFFECT | Filing | Mar 30, 2015 | — |
Showing 47 filings. 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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.