Other Information
−Removed: During the quarter ended September 27, 2024, no director or officer (as defined in Rule 16a-1(f) under the Exchange Act) of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement” (as each term is defined in Item 408 of Regulation S-K).
+Added: On November 1, 2024 , Shelly Chadwick , the Company's Executive Vice President, Finance and Chief Financial Officer , entered into a written plan for the sale of up to 2,122 shares of the Company's common stock in connection with the vesting of restricted stock units and performance restricted stock units, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act.
+Added: This plan is scheduled to terminate no later than December 31, 2025 .
All documents referenced below were filed pursuant to the Exchange Act by Materion Corporation, file number 001-15885, unless otherwise noted.
+Added: 10.1 Materion and Subsidiaries Annual Incentive Plan for the 2025 Plan Year*
+Added: 10.2 Form of 2025 Performance-Based Restricted Stock Units Agreement under the Materion Corporation 2006 Stock Incentive Plan (As Amended and Restated as of May 3, 2017), covering grants made in 2025*
+Added: 10.3 Materion Executive Deferred Compensation Program (formerly known as the Materion Corporation Executive Deferred Compensation Plan II), effective January 28, 2025
31.1 Certification of Chief Executive Officer required by Rule 13a-14(a) or 15d-14(a)*
2 unchanged sentences
Section 1350*
−Removed: 95 Mine Safety Disclosure Pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act for the period ended September 27, 2024 *
+Added: 95 Mine Safety Disclosure Pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act for the period ended March 28, 2025 *
101.INS XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document*
8 unchanged sentences
MATERION CORPORATION
−Removed: October 30, 2024
/s/ Shelly M.
2 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.