Materion (NYSE: MTRN) awards CAO 52 RSUs vesting in 2029

Rhea-AI Filing Summary

Materion Corporation’s Chief Accounting Officer, Melissa A. Fashinpaur, reported an equity award of restricted stock units. On January 31, 2026, she was granted 52 restricted stock units at a price of $0 per unit, each representing one share of MTRN common stock. These units will vest on January 31, 2029. Following this grant, she beneficially owns 2,266 derivative securities in the form of restricted stock units, held 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

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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^*

Fashinpaur Melissa A

(Last) (First) (Middle)

6070 PARKLAND BOULEVARD

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
01/31/2026

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)	01/31/2026		A		52		(2)	(3)	Common Stock	52	$0	2,266	D

Explanation of Responses:

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

2. The restricted stock units will vest on January 31, 2029.

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

Remarks:

	/s/Michelle R. Mekinda, as Attorney-In-Fact	02/03/2026
	** 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 Melissa A. Fashinpaur?

Materion reported that Chief Accounting Officer Melissa A. Fashinpaur received 52 restricted stock units on January 31, 2026. Each unit represents one share of MTRN common stock, granted at $0 per unit as part of her equity compensation package.

How many Materion (MTRN) restricted stock units does Melissa Fashinpaur hold after this Form 4?

After the reported transaction, Melissa Fashinpaur beneficially owns 2,266 restricted stock units. This total includes the 52 new units granted on January 31, 2026 and reflects her direct derivative holdings tied to Materion common stock.

When do Melissa Fashinpaur’s new Materion (MTRN) restricted stock units vest?

The 52 restricted stock units granted to Melissa Fashinpaur will vest on January 31, 2029. Vesting means she will then be entitled to receive one share of Materion common stock for each unit, assuming continued satisfaction of applicable service conditions.

What does each restricted stock unit in the Materion (MTRN) Form 4 represent?

Each restricted stock unit reported for Melissa Fashinpaur represents a right to receive one share of Materion common stock. The units are a form of stock-based compensation and convert into shares when they vest according to the stated vesting schedule.

Is Melissa Fashinpaur’s Materion (MTRN) Form 4 transaction a purchase or an award?

The Form 4 reflects an award of 52 restricted stock units coded as an acquisition (A), not an open-market purchase. The transaction price is reported as $0 per unit, indicating it is a compensatory equity grant rather than a cash-funded share purchase.