PL Capital Advisors, LLC - 12 Mar 2025 SCHEDULE 13D Report for FINANCIAL INSTITUTIONS, INC Common Stock, par value $0.01 per share (FISI)

Filing Manager: PL Capital Advisors, LLC
Reporting Manager: PALMER JOHN W
Security: FINANCIAL INSTITUTIONS, INC Common Stock, par value $0.01 per share
Symbol: FISI
Shares outstanding: 20,076,206 shares
Disclosed Ownership: 1,264,801 shares
Ownership: 6.3%
Form type: SCHEDULE 13D
Filing time: 18 Mar 2025, 19:18:05 UTC
Date of event: 12 Mar 2025
Next filing: 15 Aug 2025
SEC: View on sec.gov

Reporting Managers (11)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
PL Capital Advisors, LLC	6.3%	1,260,801	0	1,260,801	/s/ John W. Palmer	John W. Palmer, Managing Member	0001569147
PALMER JOHN W	6.3%	1,264,801	4,000	1,260,801	/s/ John W. Palmer	John W. Palmer	0001204244
LASHLEY RICHARD J	6.3%	1,264,001	0	1,264,001	/s/ Richard J. Lashley	Richard J. Lashley	0001204241
Black Maple Capital Management LP	0%	13,000	0	13,000	/s/ Robert Barnard	Robert Barnard, Managing Member	0001588959
Black Maple Capital Holdings LLC	0%	13,000	0	13,000	/s/ Robert Barnard	Robert Barnard, Managing Member
Robert Barnard	0%	13,000	0	13,000	/s/ Robert Barnard	Robert Barnard
Danielle Morgan Lashley 2010 Trust	0%	2,000	0	2,000	/s/ Richard J. Lashley	Richard J. Lashley, Trustee
Danielle Lashley	0%	2,000	0	2,000	/s/ Danielle Lashley	Danielle Lashley
Lashley Family 2011 Trust	0%	5,100	0	5,100	/s/ Beth Lashley	Beth Lashley, Trustee
Beth Lashley	0%	5,100	0	5,100	/s/ Beth Lashley	Beth Lashley
Robin Lashley	0%	1,200	0	1,200	/s/ Robin Lashley	Robin Lashley