Materion (MTRN) director adds stock and RSUs via deferred and dividend awards

Rhea-AI Filing Summary

Materion Corporation director reports routine equity awards and holdings. A company director filed details of common stock and restricted stock units linked to board service. On December 5, 2025, the director acquired 49.841 shares of Materion common stock at a price of $0, held indirectly in a Directors Deferred Compensation Plan, bringing the indirect common stock balance in that plan to 45,161.366 shares.

The director also acquired 2 restricted stock units, each representing the right to receive one share of Materion common stock. These units were received through the reinvestment of dividend equivalents and will vest at the earlier of May 8, 2026 or the date of the next annual meeting of Materion shareholders. After this transaction, the director held 2,004 restricted stock units directly.

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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hours per response:			0.5

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^*

REDDY N MOHAN

(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)
12/05/2025

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
Common Stock	12/05/2025		A		49.841	A	$0	45,161.366	I	Held in Directors Deferred Compensation Plan.

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)	12/05/2025		A		2		(2)	(3)	Common Stock	2	$0	2,004	D

Explanation of Responses:

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

2. These restricted stock 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:

Exhibit 24 Power of Attorney

	/s/Michelle R. Mekinda, as Attorney-In-Fact	12/09/2025
	** 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 insider transaction did Materion (MTRN) report for its director?

A Materion director reported acquiring 49.841 shares of common stock at $0 cost, held indirectly in a Directors Deferred Compensation Plan, plus 2 restricted stock units received from dividend equivalent reinvestments.

How many Materion (MTRN) shares does the director hold in the deferred compensation plan?

Following the reported transaction, the director beneficially owned 45,161.366 shares of Materion common stock indirectly, held in the Directors Deferred Compensation Plan.

What are the terms of the restricted stock units reported by the Materion (MTRN) director?

Each restricted stock unit gives the director a right to receive one share of Materion common stock. The 2 new units were acquired through reinvested dividend equivalents and will vest at the earlier of May 8, 2026 or the next Materion annual shareholder meeting.

How many restricted stock units does the Materion (MTRN) director hold after this transaction?

After the reported activity, the director directly held 2,004 restricted stock units tied to Materion common stock.

Was cash paid for the Materion (MTRN) director’s reported stock acquisition?

No cash was paid for the 49.841 shares of Materion common stock; the price is reported as $0, consistent with stock received through a deferred compensation arrangement.

How were the new restricted stock units for the Materion (MTRN) director generated?

The 2 restricted stock units were acquired upon the reinvestment of dividend equivalents tied to existing restricted stock units, and they share the same vesting schedule as those underlying awards.