MTB 424B5: Secondary offering
M&T Bank Corp
Filed with the SEC on · accession 0001193125-26-398042
MTB filed a 424B5 (prospectus (offering)) with the SEC on Sep 22, 2026. The final terms of an offering of shares or bonds. The stock moved -1.6% by the first close after the filing.
Summary of the filing
M&T Bank Corp filed a prospectus supplement for the issuance of senior and subordinated medium-term notes, with maturities of nine months or more, to be sold through agents including RBC Capital Markets and others.
Key details
How MTB stock reacted
Close before
$226.96
Sep 21, 2026
First close after
-1.56%
$223.42
5 trading days
-2.87%
$220.44
Since filing
-3.16%
$219.78
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Click hereFrequently asked questions
What did MTB file with the SEC on Sep 22, 2026?
MTB filed a 424B5 (Secondary offering). M&T Bank Corp filed a prospectus supplement for the issuance of senior and subordinated medium-term notes, with maturities of nine months or more, to be sold through agents including RBC Capital Markets and others.
What does a secondary offering mean for MTB stock?
New shares dilute existing holders and are often sold at a discount to the market price.
How do I read a 424B5?
The final terms of an offering of shares or bonds. Look at price, number of shares and the discount to the market price. Large offerings dilute existing shareholders.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 424B5 (prospectus (offering)): The final terms of an offering of shares or bonds.
How did MTB stock react to this filing?
MTB closed at $226.96 before the filing and $223.42 on Sep 22, 2026 (-1.56%). Five trading days later: $220.44 (-2.87%).
Other MTB SEC filings
- 10-Q · SEC filingNov 5, 2026
- 8-K · SEC filingOct 16, 2026
- 8-K · SEC filingSep 28, 2026
- 8-K · Material agreementSep 22, 2026
- 8-K · SEC filingSep 14, 2026
- 10-Q · SEC filingAug 4, 2026
- 8-K · Secondary offeringJul 21, 2026
- 424B5 · Secondary offeringJul 17, 2026
- 424B5 · Secondary offeringJul 16, 2026
- 8-K · SEC filingJul 15, 2026
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