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 9, 2024

HAYNES INTERNATIONAL, INC.

(Exact name of registrant as specified in
its charter)

Delaware	001-33288	06-1185400
(State or other jurisdiction of incorporation or organization)	(Commission File Number)	(I.R.S. Employer Identification No.)

1020 West Park Avenue Kokomo, Indiana	46904-9013
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (765) 456-6000

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 (17CFR240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17CFR240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17CFR240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Tile of each class	Trading Symbol	Name of each exchange on which registered
Common Stock, par value $.001 per share	“HAYN”	NASDAQ Global 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. ☐

The information in Items 2.02, 7.01 and 9.01, including Exhibit 99.1 of this Form 8-K is being furnished and shall not be deemed “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section. Such information in this Form 8-K shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, whether made before or after the date hereof, except as shall be expressly set forth by specific reference in such a filing.

Item 2.02.Results of Operations and Financial Condition.

On May 9, 2024, Haynes International, Inc. (the “Company”) issued a press release announcing results for the second quarter of fiscal 2024 ended March 31, 2024. The full text of the press release is furnished as Exhibit 99.1 to this Form 8-K and is incorporated herein by reference.

Item 9.01.Financial Statements and Exhibits

(d)	Exhibits
99.1	Haynes International, Inc. press release, issued May 9, 2024.
104	Cover Page Interactive Data File (formatted in Inline XBRL and contained in Exhibit 101)

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.

	Haynes International, Inc.
Date: May 9, 2024	By:	/s/ Daniel W. Maudlin
		Daniel W. Maudlin
		Vice President — Finance, CFO