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): ~~February~~April 1016, 2026

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))

☐

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 52.0702. ~~Submission~~Results of ~~Matters~~Operations toand aFinancial ~~Vote of Security Holders~~Condition

On April 16, 2026, Insteel Industries Inc. ~~(the~~issued ~~“Company”)~~a ~~held~~news ~~its~~release ~~2026~~regarding ~~Annual~~its ~~Meeting~~financial ofresults ~~Shareholders~~for ~~(the~~its ~~“Annual~~second ~~Meeting”)~~quarter onended ~~February~~March 1028, 2026. ~~Set~~A ~~forth~~copy ~~below~~of isthis arelease ~~brief~~is ~~description~~being offurnished ~~each~~as ~~item~~Exhibit ~~submitted~~99.1 to athis ~~vote~~Current Report on Form 8-K. The information in Item 2.02 of ~~the~~this ~~shareholders~~Current atReport ~~the~~on ~~Annual~~Form ~~Meeting~~8-K, ~~and~~including the ~~final~~related ~~voting~~information ~~results~~in Exhibit 99.1, shall not be deemed to be “filed” for ~~each~~purposes ~~item.~~of ASection ~~more~~18 ~~complete~~of ~~description~~the Securities Exchange Act of ~~each~~1934, ~~item~~as isamended, ~~set~~or ~~forth~~otherwise insubject to the ~~Company’s~~liability ~~proxy~~of ~~statement~~that ~~for~~section, nor shall it be deemed incorporated by reference in any filing under the ~~Annual~~Securities ~~Meeting~~Act of 1933, ~~which~~as ~~was~~amended, ~~filed~~except ~~with~~as ~~the~~shall ~~U.S.~~be ~~Securities~~expressly ~~and~~set ~~Exchange~~forth ~~Commission~~by onspecific ~~January~~reference 2,in ~~2026~~such a filing.

Item Number One – Election of Directors

Each of the three nominees named in the proxy statement for the Annual Meeting were elected by the shareholders to the Board based on the following vote:

Nominee	Votes For	Votes Withheld	Broker Non-Votes
Abney S. Boxley II	13,497,372	2,875,707	1,638,505
Anne H. Lloyd	16,265,341	107,738	1,638,505
Eric J. Zernikow	16,046,529	326,550	1,638,505

Directors Boxley and Lloyd were elected to three-year terms ending at the 2029 Annual Meeting of Shareholders. Director Zernikow was elected for a one-year term ending at the 2027 Annual Meeting of Shareholders.

Item Number Two – Advisory Vote on the Compensation of the Company’s Executive Officers

The compensation of the Company’s executive officers was approved, on an advisory basis, by the shareholders based on the following vote:

Votes For		Votes Against		Abstentions		Broker Non-Votes
15,758,514		493,414		121,151		1,638,505

Item Number Three – Ratification of the Appointment of Grant Thornton LLP

The appointment of Grant Thornton LLP as the Company’s independent registered public accounting firm for the Company’s fiscal year ending October 3, 2026 was ratified by the shareholders based on the following vote:

Votes For		Votes Against		Abstentions
17,661,421		231,854		118,309

Item 9.01. Financial Statements and Exhibits

Exhibit 99.1

News Release dated April 16, 2026 announcing financial results for the second quarter ended March 28, 2026.

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: ~~Name: Title: Date:~~ /s/ Elizabeth C. Southern ~~Elizabeth C. Southern Vice President Administration, Secretary and Chief Legal Officer February 11, 2026~~

Name:

Elizabeth C. Southern

Title:

Vice President Administration, Secretary and Chief Legal Officer

Date:

April 16, 2026

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