WEBSTER FINANCIAL CORP — Earnings Release 2026

Apr 28, 2026

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): April 28, 2026

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WEBSTER FINANCIAL CORPORATION

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(Exact name of registrant as specified in its charter)

Delaware	001-31486	06-1187536
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

200 Elm Street , Stamford , Connecticut 06902

(Address and zip code of principal executive offices)

203 - 578-2202

(Registrant’s telephone number, including area code)

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbols	Name of each exchange on which registered
Common Stock, par value $0.01 per share	WBS	New York Stock Exchange
Depositary Shares, each representing 1/1000th interest in a share of 5.25% Series F Non-Cumulative Perpetual Preferred Stock	WBS-PrF	New York Stock Exchange
Depositary Shares, each representing 1/40th interest in a share of 6.50% Series G Non-Cumulative Perpetual Preferred Stock	WBS-PrG	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition

On April 28, 2026, Webster Financial Corporation (the Company) issued a press release reporting its results of operations for the quarter ended March 31, 2026. That press release is attached hereto as Exhibit 99.1.

Information contained herein, including Exhibit 99.1, shall not be deemed filed for the purposes of the Securities Exchange Act of 1934, nor shall such information or Exhibit be deemed incorporated by reference in any filing under the Securities Act of 1933, except as shall be expressly set forth by specific reference in such a filing.

Due to the proposed transaction with Banco Santander, S.A., the Company will not conduct an earnings conference call or webcast.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits.

Exhibit Number	Description
99.1	Press release dated April 28, 2026
104	Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	WEBSTER FINANCIAL CORPORATION
	(Registrant)
Date: April 28, 2026	/s/ Kristen Antonopoulos
	Kristen Antonopoulos
	Chief Accounting Officer