UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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): October 16, 2025

Insteel Industries Inc.

(Exact Name of Registrant as Specified in Charter)

North Carolina	1-9929	56-0674867
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

1373 Boggs Drive

Mount Airy, North Carolina 27030

(Address of Principal Executive Offices, and Zip Code)

(336) 786-2141

Registrant’s Telephone Number, Including Area Code

(Former Name or Former Address, if Changed Since 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 (see General Instruction A.2. below):

☐

Written communication 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 (No Par Value)	IIIN	The 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 (17 CFR §230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §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 October 16, 2025, Insteel Industries Inc. issued a news release regarding its financial results for its fourth quarter and fiscal year ended September 27, 2025. A copy of this release is being furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information in Item 2.02 of this Current Report on Form 8-K, including the related information in Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01.

Financial Statements and Exhibits

Exhibit 99.1

News Release dated October 16, 2025 announcing fourth quarter and fiscal year ended September 27, 2025 financial results.

Exhibit 104

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

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 thereunto duly authorized.

INSTEEL INDUSTRIES, INC.

By:	/s/ Elizabeth C. Southern

Name:

Elizabeth C. Southern

Title:

Vice President Administration, Secretary and Chief Legal Officer

Date:

October 16, 2025

INSTEEL INDUSTRIES INC 8-K