M&T Bank director sells 623 shares at $241.045

M&T BANK CORP (MTB) director Rudina Seseri reported selling 623 shares of Common Stock on 2026-08-21 in a sale classified as an open market or private transaction at $241.045 per share.

Rhea-AI Filing Summary

M&T BANK CORP (MTB) director Rudina Seseri reported selling 623 shares of Common Stock on 2026-08-21 in a sale classified as an open market or private transaction at $241.045 per share. After this sale, she directly holds 3,648.963 shares, including 81.963 shares credited through a dividend reinvestment plan. The transaction was not marked as pursuant to a Rule 10b5-1 trading plan.

Insider Trade Summary

Net Seller: 623 shares

Net Sell 1 txn

Insider Seseri Rudina

Role Director

Sold 623 shs ($150K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	623	$241.045	$150K

Holdings After Transaction: Common Stock — 3,648.963 shares (Direct)

Footnotes (1)

1. F1. Includes 81.963 shares credited through participation in a dividend reinvestment plan.

Key Figures

Shares sold: 623 shares Sale price per share: $241.045 per share Shares owned after transaction: 3,648.963 shares +2 more

5 metrics

Shares sold 623 shares Common Stock sale on 2026-08-21 by director Rudina Seseri

Sale price per share $241.045 per share Price for the 623 shares of MTB Common Stock sold on 2026-08-21

Shares owned after transaction 3,648.963 shares Direct holdings of MTB Common Stock by Rudina Seseri following the sale

Dividend reinvestment plan shares 81.963 shares Portion of post-transaction holdings credited via a dividend reinvestment plan

Net buy/sell shares -623 shares Net effect of reported transactions in this Form 4 (net-sell)

Key Terms

open market or private transaction, dividend reinvestment plan, Rule 10b5-1

3 terms

open market or private transaction market

"Sale in open market or private transaction at $241.045 per share"

dividend reinvestment plan financial

"Includes 81.963 shares credited through participation in a dividend reinvestment plan"

A dividend reinvestment plan lets shareholders automatically use cash dividends to buy more shares of the same company instead of receiving the money. It matters to investors because it turns regular payouts into a steady way to grow ownership and take advantage of compound returns—like having your savings automatically buy additional slices of a pie over time—while often reducing transaction costs and smoothing purchase timing.

Rule 10b5-1 regulatory

"The transaction was not marked as pursuant to a Rule 10b5-1 trading plan"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Rudina Seseri report for MTB on this Form 4?

Rudina Seseri, a director of M&T BANK CORP (MTB), reported a sale of 623 shares of Common Stock on 2026-08-21 in an open market or private transaction.

At what price were the MTB shares sold in Rudina Seseri’s Form 4 filing?

The 623 MTB shares reported by Rudina Seseri were sold at a price of $241.045 per share, as disclosed in the Form 4.

How many MTB shares does Rudina Seseri own after the reported sale?

Following the reported sale, Rudina Seseri directly holds 3,648.963 shares of M&T BANK CORP Common Stock, according to the Form 4 disclosure.

How many of Rudina Seseri’s MTB shares come from the dividend reinvestment plan?

Out of Rudina Seseri’s post-transaction holdings, 81.963 shares are credited through participation in a dividend reinvestment plan, as noted in the Form 4 footnote.

Was Rudina Seseri’s MTB stock sale made under a Rule 10b5-1 trading plan?

No. The Form 4 for Rudina Seseri indicates the Rule 10b5-1 checkbox as not checked, so the reported sale was not affirmed as being made under a Rule 10b5-1 trading plan.

Is Rudina Seseri’s ownership of MTB stock direct or indirect after the sale?

The Form 4 classifies Rudina Seseri’s post-transaction ownership of 3,648.963 shares of MTB Common Stock as direct ownership.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/25/2026 - 02:01 PM Accepted by SEC EDGAR 08/25/2026 - 02:00 PM Learn about SEC filing dates

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^*

Seseri Rudina

(Last) (First) (Middle)

ONE M&T PLAZA

(Street)

BUFFALO NEW YORK 14203

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
M&T BANK CORP [ MTB ]

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)
08/21/2026

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	08/21/2026		S		623	D	$241.045	3,648.963(1)	D

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:

1. Includes 81.963 shares credited through participation in a dividend reinvestment plan.

Remarks:

	By: Stephen T. Wilson (Attorney-In-Fact)	08/25/2026
	** 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)