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): April 21, 2023

NORTHWEST PIPE COMPANY

(Exact name of registrant as specified in its charter)

Oregon	0-27140	93-0557988
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

201 NE Park Plaza Drive, Suite 100

Vancouver, WA 98684

(Address of principal executive offices and Zip Code)

Registrant's telephone number, including area code: 360‑397‑6250

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, par value $0.01 per share	NWPX	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 EVENTS
	Northwest Pipe Company’s 2023 Annual Meeting of Shareholders (the “Annual Meeting”) will be held on June 22, 2023. The record date for determining the shareholders entitled to notice of, and to vote at, the Annual Meeting was April 13, 2023.

Item 9.01.	FINANCIAL STATEMENTS AND EXHIBITS
(d)	Exhibits
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 on April 21, 2023.

NORTHWEST PIPE COMPANY
(Registrant)
By	/s/ Aaron Wilkins
	Aaron Wilkins Senior Vice President, Chief Financial Officer, and Corporate Secretary