FINANCIAL INSTITUTIONS INC reports

Company location: Warsaw, NY
Fiscal year end: 31 December

FINANCIAL INSTITUTIONS INC has filed 1,808 SEC EDGAR filings since 23 Apr 1999

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SEC filing history

Showing 26-50 of 1,000 matching filings.

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4

4

Filing date: 23 Mar 2026
Reporting date: 20 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 23 Mar 2026
Reporting date: 20 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 23 Mar 2026
Reporting date: 20 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 23 Mar 2026
Reporting date: 20 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 23 Mar 2026
Reporting date: 20 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 23 Mar 2026
Reporting date: 20 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 12 Mar 2026
Reporting date: 12 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-26481

8-K

Filing date: 10 Mar 2026
Reporting date: 04 Mar 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-K File 000-26481

10-K

Filing date: 09 Mar 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

4

Filing date: 06 Mar 2026
Reporting date: 05 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 06 Mar 2026
Reporting date: 05 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 06 Mar 2026
Reporting date: 05 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 06 Mar 2026
Reporting date: 05 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 06 Mar 2026
Reporting date: 05 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 06 Mar 2026
Reporting date: 05 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 06 Mar 2026
Reporting date: 05 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 06 Mar 2026
Reporting date: 05 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 06 Mar 2026
Reporting date: 05 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-293081

EFFECT filing

Filing date: 17 Feb 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

424B3 File 333-293081

424B3

Filing date: 17 Feb 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 000-26481

8-K

Filing date: 12 Feb 2026
Reporting date: 12 Feb 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

CORRESP

CORRESP filing

Filing date: 12 Feb 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G File 005-58385

SCHEDULE 13G filing

Filing date: 10 Feb 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

UPLOAD File 333-293081

UPLOAD filing

Filing date: 05 Feb 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-4 File 333-293081

S-4

Filing date: 30 Jan 2026
Reporting date: Not listed
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

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