Financial Institutions (NASDAQ: FISI) director receives 1,282 shares

Rhea-AI Filing Summary

Glaser Robert M reported acquisition or exercise transactions in this Form 4 filing.

FINANCIAL INSTITUTIONS INC director Robert M. Glaser reported a stock award of 1,282 shares of Common Stock on May 20, 2026. The grant was recorded at a price of $0.00 per share, indicating it was compensation rather than a market purchase.

After this award, Glaser directly holds 49,333 shares of Common Stock. In addition, 1,500 shares are reported as indirectly owned and held in trust, providing further context on his total beneficial exposure.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Glaser Robert M

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,282	$0.00	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 49,333 shares (Direct, null); Common Stock — 1,500 shares (Indirect, Held in Trust)

Footnotes (1)

Key Figures

Stock grant: 1,282 shares Grant price: $0.00 per share Direct holdings after grant: 49,333 shares +2 more

5 metrics

Stock grant 1,282 shares Common Stock award on May 20, 2026

Grant price $0.00 per share Reported transaction price for stock grant

Direct holdings after grant 49,333 shares Common Stock directly owned following transactions

Indirect holdings in trust 1,500 shares Common Stock held in trust and reported as indirect

Transaction date May 20, 2026 Date of reported Common Stock grant and holdings entry

Key Terms

Common Stock, Grant, award, or other acquisition, Held in Trust, indirect ownership

4 terms

Common Stock financial

"security_title: "Common Stock" for the reported transactions"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

Held in Trust financial

"nature_of_ownership: "Held in Trust" for indirect holdings"

indirect ownership financial

"ownership_type: "indirect" for shares held in trust"

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Glaser Robert M

(Last) (First) (Middle)

220 LIBERTY STERET

(Street)

WARSAW NEW YORK 14569

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
FINANCIAL INSTITUTIONS INC [ FISI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/20/2026		A		1,282	A	$0	49,333	D
Common Stock								1,500	I	Held in Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	SANDRA L. BYERS By Power of Attorney from Robert M. Glaser	05/21/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did FISI director Robert M. Glaser report?

Robert M. Glaser reported receiving a grant of 1,282 shares of Financial Institutions Inc Common Stock. The award was recorded at $0.00 per share, indicating a compensation-related grant rather than an open-market purchase.

How many FISI shares does Robert M. Glaser hold after this Form 4?

After the reported transactions, Robert M. Glaser directly holds 49,333 shares of Financial Institutions Inc Common Stock. He also has an additional 1,500 shares reported as indirectly owned and held in trust.

Was the FISI Form 4 transaction a market buy or a stock grant?

The Form 4 for Financial Institutions Inc shows a stock grant, not a market purchase. Glaser received 1,282 Common Stock shares at a reported price of $0.00 per share, consistent with a compensation-related award.

What is the transaction date for Robert M. Glaser’s FISI share grant?

The grant of 1,282 shares of Financial Institutions Inc Common Stock to Robert M. Glaser is dated May 20, 2026. This date reflects when the award was effective and recorded on the Form 4 filing.

How are some of Robert M. Glaser’s FISI shares held according to the Form 4?

The Form 4 indicates that 1,500 shares of Financial Institutions Inc Common Stock are held in trust and reported as indirectly owned. This is in addition to his directly held 49,333 shares after the reported grant.