[Form 4] Materion Corporation Insider Trading Activity

Rhea-AI Filing Summary

Form 4 filed for MTRN director Darlene J.S. Solomon reports a small grant of restricted stock units acquired on 09/05/2025. The filing shows 2 restricted stock units were acquired upon reinvestment of dividend equivalents and each unit represents a right to one share of Materion common stock. The units will vest at the earlier of May 8, 2026 or the date of the next annual meeting of shareholders. Following the transaction the reporting person beneficially owns 2,002 shares of common stock. The form is signed by an attorney-in-fact on 09/09/2025.

Insights

Financial Analyst

TL;DR: Routine insider reinvestment created 2 RSUs, increasing beneficial ownership to 2,002 shares; immaterial to valuation but maintains insider alignment.

The transaction is a small, non-cash acquisition reflecting reinvested dividend equivalents into restricted stock units that vest in 2026 or at the next annual meeting. The size (2 RSUs) is immaterial relative to typical outstanding share counts and therefore unlikely to affect market valuation. It does, however, modestly increase the reporting director's direct ownership and aligns compensation with shareholder outcomes until vesting.

Corporate Governance Expert

TL;DR: This is a standard governance disclosure showing dividend-equivalent reinvestment into RSUs with time-based vesting; no governance red flags present.

The filing documents that dividend equivalents were reinvested into restricted stock units that follow the vesting schedule of related awards. Vesting tied to either a fixed date or the next shareholder meeting is common. The form is signed by an attorney-in-fact, which is acceptable when properly authorized. There is no indication of unusual related-party transactions or accelerated vesting.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Solomon Darlene J. S.

(Last) (First) (Middle)

6070 PARKLAND BLVD.

(Street)

MAYFIELD HEIGHTS OH 44124

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MATERION Corp [ MTRN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
09/05/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	09/05/2025		A		2		(2)	(3)	Common Stock	2	$0	2,002	D

Explanation of Responses:

1. Each restricted stock unit represents a right to receive one share of MTRN common stock.

2. These units, which were acquired upon the reinvestment of dividend equivalents, will vest at the same time as the restricted stock units to which they relate (earlier of May 8, 2026 and the date of the next annual meeting of MTRN's shareholders).

3. Expiration Date is the same as the Date Exercisable.

Remarks:

	/s/Michelle R. Mekinda, as Attorney-In-Fact	09/09/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did MTRN director Darlene J.S. Solomon report on Form 4?

The Form 4 reports the acquisition of 2 restricted stock units on 09/05/2025, acquired upon reinvestment of dividend equivalents.

How many shares does the reporting person beneficially own after the transaction?

Following the reported transaction the reporting person beneficially owns 2,002 shares of Materion common stock.

When do the restricted stock units vest according to the filing?

The RSUs vest at the earlier of May 8, 2026 or the date of the next annual meeting of Materion shareholders.

Was any cash consideration paid for the RSUs?

No cash price is reported; the RSUs were acquired upon reinvestment of dividend equivalents and the filing shows a price of $0.

Who signed the Form 4 and when was it signed?

The Form 4 was signed by Michelle R. Mekinda, as Attorney-In-Fact on 09/09/2025.