MTB insider files Form 144 stock sale notice

MTB investor Gary N. Geisel filed a Form 144 notice covering the proposed sale of 1,259 common shares through Fidelity Brokerage Services on or about July 16, 2026 on the NYSE.

Rhea-AI Filing Summary

MTB investor Gary N. Geisel filed a Form 144 notice covering the proposed sale of 1,259 common shares through Fidelity Brokerage Services on or about July 16, 2026 on the NYSE. The shares come from restricted stock vesting on several dates between 2018 and 2024. The notice also discloses a prior sale of 1,200 common shares on June 10, 2026 for $273,330.00 during the past three months.

Key Figures

Shares to be sold: 1,259 shares Aggregate value of proposed sale: $318,508.12 Class shares outstanding: 146,445,060 shares +5 more

8 metrics

Shares to be sold 1,259 shares Common shares proposed for sale through Fidelity Brokerage, approximate sale date 07/16/2026

Aggregate value of proposed sale $318,508.12 Amount associated with the 1,259 common shares listed in the Form 144 notice

Class shares outstanding 146,445,060 shares Common shares outstanding for the class referenced in the Form 144 entry

Recent sale shares 1,200 shares Common shares sold on 06/10/2026 disclosed under Securities Sold During The Past 3 Months

Recent sale proceeds $273,330.00 Gross proceeds from the 1,200‑share sale on 06/10/2026

Restricted stock tranche 1 198 shares Shares from restricted stock vesting on 10/09/2018

Restricted stock tranche 2 288 shares Shares from restricted stock vesting on 06/30/2020

Restricted stock tranche 3 744 shares Shares from restricted stock vesting on 04/28/2024

Key Terms

Securities Information, Securities To Be Sold, Restricted Stock Vesting, Securities Sold During The Past 3 Months

4 terms

Securities Information regulatory

"144: Securities Information Common | Fidelity Brokerage Services LLC"

Securities To Be Sold regulatory

"144: Securities To Be Sold Common | 10/09/2018 | Restricted Stock Vesting"

Restricted Stock Vesting financial

"Common | 10/09/2018 | Restricted Stock Vesting | Issuer"

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.

Securities Sold During The Past 3 Months regulatory

"144: Securities Sold During The Past 3 Months Gary N. Geisel"

FAQ

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

What stock sale is disclosed for MTB in this Form 144 filing?

The filing covers a planned sale of 1,259 MTB common shares. These shares are listed with a value of $318,508.12 and an approximate sale date of July 16, 2026 on the NYSE, subject to market conditions and execution.

Who is selling MTB shares and which broker will handle the trade?

The seller is Gary N. Geisel. The proposed sale of 1,259 MTB common shares is to be executed through Fidelity Brokerage Services LLC, based at 900 Salem Street, Smithfield, Rhode Island, according to the Form 144 disclosure.

How were the MTB shares being sold in this notice acquired?

The shares were acquired through Restricted Stock Vesting from the issuer. Vesting dates include 10/09/2018, 06/30/2020, 01/31/2024, and 04/28/2024, corresponding to separate tranches that together underpin the 1,259 shares planned for sale.

What recent MTB share sales are reported over the past 3 months?

The filing reports that on 06/10/2026, 1,200 MTB common shares were sold for total proceeds of $273,330.00. This transaction appears under the section titled “Securities Sold During The Past 3 Months” in the Form 144 information.

How many MTB common shares of this class are shown as outstanding?

The notice lists 146,445,060 common shares for the relevant class. This figure provides context for the relative size of the planned 1,259‑share sale compared with the total shares of that class shown in the Form 144 data.

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

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Accepted by SEC EDGAR 07/16/2026 - 11:50 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	0001224731
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	GEISEL GARY N
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	Former Director

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	1259	318508.12	146445060	07/16/2026	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	10/09/2018	Restricted Stock Vesting	Issuer			198	10/09/2018	Compensation
Common	06/30/2020	Restricted Stock Vesting	Issuer			288	06/30/2020	Compensation
Common	01/31/2024	Restricted Stock Vesting	Issuer			29	01/31/2024	Compensation
Common	04/28/2024	Restricted Stock Vesting	Issuer			744	04/28/2024	Compensation

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Gary N. Geisel One M&T Plaza Buffalo NY 14203	Common	06/10/2026	1200	273330.00

144: Remarks and Signature

Remarks
Date of Notice	07/16/2026
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/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Gary N. Geisel
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)