MTB files Form 144 for proposed common stock resale

MTB submitted a Form 144 notice indicating proposed sales of Common Stock through Fidelity Brokerage Services LLC on 06/15/2026 on the NYSE.

Rhea-AI Filing Summary

MTB submitted a Form 144 notice indicating proposed sales of Common Stock through Fidelity Brokerage Services LLC on 06/15/2026 on the NYSE. The filing lists multiple security sources, including Restricted Stock Vesting and a Stock Option Exercise.

Insights

Securities Compliance Analyst

Form 144 notifies regulators of a proposed resale on 06/15/2026.

The notice lists proposed methods and sources of shares—restricted stock vesting and an option exercise—delivered through Fidelity Brokerage Services LLC on 06/15/2026. This is an administrative filing required before certain resale transactions under Rule 144.

Whether and when sales actually occur depends on holder decisions and transfer mechanics; subsequent trade reports or broker records will show executed transactions.

Key Terms

Form 144, Restricted Stock Vesting, Stock Option Exercise, Fidelity Brokerage Services LLC

4 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Restricted Stock Vesting | Issuer | 01/29/2017"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Stock Option Exercise financial

"06/15/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Fidelity Brokerage Services LLC market

"Common | Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917"

FAQ

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

What does MTB's Form 144 filing mean?

It notifies regulators of a proposed resale of MTB common stock via Fidelity Brokerage Services LLC on 06/15/2026. It lists sources like restricted stock vesting and a stock option exercise as the origins of the shares.

Who is handling the proposed sale in MTB's Form 144?

The filing names Fidelity Brokerage Services LLC as the broker handling the proposed resale of MTB common stock. The execution and settlement details will be reflected in subsequent trade records.

What types of shares are listed in the MTB Form 144?

The document lists shares originating from Restricted Stock Vesting and a Stock Option Exercise. These entries indicate the legal source of the shares being offered for resale under Rule 144.

Does MTB's Form 144 confirm that the shares have been sold?

No. The filing reports a proposed resale scheduled through the broker on 06/15/2026. Execution is not confirmed by this notice; completed trades appear in broker/market transaction records after settlement.

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

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Accepted by SEC EDGAR 06/15/2026 - 10:00 AM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001984138
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	M&T BANK CORP
SEC File Number	001-09861
Address of Issuer	C/O LEGAL ONE M&T PLAZA BUFFALO NEW YORK 14203
Phone	7166354000
Name of Person for Whose Account the Securities are To Be Sold	Taylor John R.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	1098	256086.54	146445060	06/15/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	01/29/2017	Restricted Stock Vesting	Issuer			174	01/29/2017	Compensation
Common	01/30/2017	Restricted Stock Vesting	Issuer			170	01/30/2017	Compensation
Common	01/31/2017	Restricted Stock Vesting	Issuer			349	01/31/2017	Compensation
Common	02/13/2026	Restricted Stock Vesting	Issuer			136	02/13/2026	Compensation
Common	06/15/2026	Stock Option Exercise	Issuer			269	06/15/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	06/15/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jared Cook, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for John R. Taylor Jr
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)