GRANITE CONSTRUCTION INC — Capital/Financing Update 2026

May 18, 2026

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 18, 2026

GRANITE CONSTRUCTION INCORPORATED

(Exact name of registrant as specified in its charter)

Delaware	1-12911	77-0239383
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

585 West Beach Street

Watsonville , California 95076

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: ( 831 ) 724-1011

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 , $0.01 par value	GVA	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 7.01. Regulation FD Disclosure.

On May 18, 2026, Granite Construction Incorporated (the “Company”) issued a news release announcing that it priced its previously announced offering of $600.0 million in aggregate principal amount of 6.375% senior notes due 2034 (the “Notes”) in a private offering that is exempt from the registration requirements of the Securities Act of 1933 (the “Securities Act”).

The consummation of the offering of Notes is expected to be completed on June 2, 2026, subject to customary closing conditions. A copy of the news release is attached hereto as Exhibit 99.1 and is incorporated by reference herein.

The information contained in this report shall not constitute an offer to sell, or a solicitation of an offer to buy, and shall not constitute an offer, solicitation or sale of any Notes in any jurisdiction in which such an offer, solicitation or sale would be unlawful. The Notes have not been registered under the Securities Act or the securities laws of any other jurisdiction and may not be offered or sold in the United States absent registration or an applicable exemption from registration requirements.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.	Description
99.1	News release dated May 18, 2026.
104	Cover Page Interactive Data File (formatted as Inline XBRL)

SIGNATURES

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.

GRANITE CONSTRUCTION INCORPORATED — By:
Staci M. Woolsey
Executive Vice President, Chief Financial Officer