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Form 8-K

sec.gov

8-K — WASHINGTON TRUST BANCORP INC

Accession: 0000737468-26-000106

Filed: 2026-05-12

Period: 2026-05-12

CIK: 0000737468

SIC: 6022 (STATE COMMERCIAL BANKS)

Item: Other Events

Item: Financial Statements and Exhibits

Documents

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 12, 2026

WASHINGTON TRUST BANCORP, INC.

(Exact Name of Registrant as Specified in Charter)

Rhode Island 001-32991 05-0404671

(State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

23 Broad Street

Westerly, Rhode Island 02891

(Address of principal executive offices) (Zip Code)

(401) 348-1200

(Registrant's telephone number, including area code)

N/A

(Former name or address, if changed from last report)

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 Symbol(s)

Name of each exchange on which registered

COMMON STOCK, $.0625 PAR VALUE PER SHARE

WASH

Nasdaq Global Select Market

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 8.01    Other Items.

The Board of Directors of Washington Trust Bancorp, Inc. ("Corporation") has adopted a stock repurchase program ("2026 Repurchase Program"), which authorizes the repurchase up to 850,000 shares of the Corporation’s common stock, $0.0625 par value per share ("Common Stock"), or approximately 4.5% of its current outstanding shares of Common Stock. This authority may be exercised from time to time and in such amounts as market conditions warrant, and subject to regulatory considerations.

The timing and actual number of shares repurchased will depend on a variety of factors including price, corporate and regulatory requirements, market conditions, and other corporate liquidity requirements and priorities. The 2026 Repurchase Program will commence on May 16, 2026, and expire on May 16, 2027, and may be modified, suspended, or discontinued at any time. The Corporation had approximately 19.1 million shares of Common Stock outstanding as of April 30, 2026.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No. Exhibit

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

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

WASHINGTON TRUST BANCORP, INC.

Date: May 12, 2026 By: /s/ Ronald S. Ohsberg

Ronald S. Ohsberg

Senior Executive Vice President, Chief Financial Officer and Treasurer

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Entity Incorporation, State or Country Code

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Entity File Number

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Entity Tax Identification Number

05-0404671

Entity Address, Address Line One

23 Broad Street

Entity Address, City or Town

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