[Form 4] Materion Corporation Insider Trading Activity

Rhea-AI Filing Summary

Robert B. Toth, a director of Materion Corp (MTRN), acquired 2 restricted stock units (RSUs) on 09/05/2025 through the reinvestment of dividend equivalents. Each RSU converts to one share of common stock. The new units vest concurrently with the related RSUs (the earlier of May 8, 2026 or the next annual shareholders meeting). Following this transaction, Mr. Toth directly beneficially owns 2,002 shares. The reported price for the acquisition was $0.

Positive

• Director increased direct ownership to 2,002 shares through acquisition of 2 RSUs
• Vesting aligns with existing restricted stock units (earlier of May 8, 2026 or next annual meeting), preserving compensation schedule

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Director received 2 RSUs via dividend reinvestment; vesting aligns with existing awards, indicating standard compensation mechanics.

This Form 4 reports a routine acquisition of 2 restricted stock units by a director through reinvested dividend equivalents. The disclosure shows the units carry one-for-one conversion to common shares and will vest on the same schedule as the related awards (earlier of May 8, 2026 or the next annual meeting). The filing is signed by an attorney-in-fact, consistent with procedural practice for insider reporting.

Securities Analyst

TL;DR: Small, non-cash issuance recorded; reported beneficial ownership increased to 2,002 shares, with no cash consideration disclosed.

The transaction code and price indicate these RSUs were credited at $0 as dividend-equivalent reinvestments rather than open-market purchases. The increase to 2,002 directly held shares is explicitly stated. There is no indication of exercised options, sales, or other derivative activity in this filing. From a disclosure standpoint, the Form 4 provides the necessary details: transaction date, type of award, vesting trigger, and post-transaction ownership.

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^*

Toth Robert B

(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 Robert B. Toth report on Form 4 for MTRN?

The Form 4 reports that Robert B. Toth acquired 2 restricted stock units on 09/05/2025 via reinvested dividend equivalents; post-transaction direct beneficial ownership is 2,002 shares.

How do the restricted stock units reported relate to Materion (MTRN) shares?

Each restricted stock unit represents a right to receive one share of MTRN common stock, and these units vest on the same schedule as the related RSUs.

When will the RSUs reported by Mr. Toth vest?

The RSUs will vest on the earlier of May 8, 2026 or the date of the next annual meeting of MTRN's shareholders.

Was there any cash paid for the RSUs on the Form 4?

The filing shows a reported price of $0, indicating these units were credited as reinvested dividend equivalents rather than a cash purchase.

Who signed the Form 4 filing for Robert B. Toth?

The Form 4 was signed on behalf of the reporting person by Michelle R. Mekinda, as Attorney-In-Fact, with a signature date of 09/09/2025.