Materion (MTRN) 8-K: Q3 2025 results announced, Exhibit 99.1

Materion Corporation filed a current report to note it issued a press release announcing results for the third quarter of 2025.

Accepted by SEC EDGAR 10/29/2025 - 06:48 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Materion Corporation filed a current report to note it issued a press release announcing results for the third quarter of 2025. The announcement was made on October 29, 2025, and the press release is attached as Exhibit 99.1.

The filing falls under Item 2.02, Results of Operations and Financial Condition. Common stock of Materion trades on the NYSE under the symbol MTRN.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Materion (MTRN) announce in this 8-K?

The company reported that it issued a press release announcing its results for the third quarter of 2025.

When was the Materion Q3 2025 results press release issued?

On October 29, 2025.

Which item does this 8-K relate to?

Item 2.02 – Results of Operations and Financial Condition.

Where can I find the press release?

It is attached as Exhibit 99.1 to the filing.

What exchange and ticker does Materion trade under?

Materion’s common stock trades on the NYSE under the symbol MTRN.

Does this filing include detailed financial figures?

The filing references a press release for Q3 2025 results; detailed figures are contained in Exhibit 99.1.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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) October 29, 2025

MATERION CORPORATION

(Exact name of registrant as specified in its charter)

Ohio 001-15885 34-1919973

(State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.)

6070 Parkland Blvd., Mayfield Hts., Ohio 44124

(Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code (216) 486-4200

Not Applicable

(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:

☐ 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, no par value MTRN 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 (§204.12b-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 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 29, 2025, Materion Corporation issued a press release announcing its results for the third quarter of 2025. The press release is attached hereto as Exhibit 99.1, which is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

Exhibits.

Exhibit Number						Description of Exhibit
99.1						Materion Corporation press release, dated October 29, 2025
104						Cover Page Interactive Data File (embedded within the 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 hereunto duly authorized.

						Materion Corporation
October 29, 2025			By:			/s/ Melissa A. Fashinpaur
						Melissa A. Fashinpaur
						Chief Accounting Officer